样式: 排序: IF: - GO 导出 标记为已读
-
The Effect of Bi0.5Li0.5ZrO3-SrSnO3 Composite Doping on the Construction of Polymorphic Phase Boundaries and Enhanced Electrical Properties of K0.45Na0.55Nb0.965Sb0.035O3 Piezoelectric Ceramics ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-17 Ruihua Zheng, Qiyi Yin, Fei Lin, Yulin Zhang, Quanzheng Zhang, Kunhong Hu, Kejie Yang, Yangyang Zhu, Wangzu Zou
In this experiment, a new lead-free piezoelectric ceramics (1−x)K0.45Na0.55Nb0.965Sb0.035O3−x(0.9Bi0.5Li0.5ZrO3−0.1SrSnO3) were prepared by the conventional solid-phase method, and the effects of the doping amount of 0.9Bi0.5Li0.5ZrO3−0.1SrSnO3 on the K0.45Na0.55Nb0.965Sb0.035O3 ceramics on the crystal structure, microstructure, microscopic structure and electrical properties. All the doping ions entered
-
Impact of Dual-Gate Configuration on the Endurance of Ferroelectric Thin-Film Transistors With Nanosheet Polycrystalline-Silicon Channel Film ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-17 William Cheng-Yu Ma, Chun-Jung Su, Kuo-Hsing Kao, Ta-Chun Cho, Jing-Qiang Guo, Cheng-Jun Wu, Po-Ying Wu, Jia-Yuan Hung
This work explores the characteristics of ferroelectric thin-film transistors (FeTFTs) utilizing an asymmetric dual-gate (DG) structure in both single-gate (SG) and DG operation modes. In the transfer characteristics, DG mode exhibits a memory window (MW) of 1.075 V, smaller than SG mode’s MW of 1.402 V, attributed to the back-gate bias effect causing a reduction in the device’s threshold voltage.
-
Electric-Tree Resistant Performance and Thermal Charge-Carrier Dissipation Mechanism of Voltage Stabilizer-Modified EPDM ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-17 Zhongyuan Li, Jian Zhang, Lei Wang, Heqian Liu, Shiyu Chen, Minhu Xu, Hongda Yang, Jianquan Liang, Wei-Feng Sun
In order to improve electric-tree resistant performance and dielectric breakdown strength of ethylene-propylene-diene misch-polymere (EPDM) material used for cable accessory reinforce insulation, the two specific aromatic ketone compounds—vinylphenylacetone (VPE) and 4-propylene oxyxy-2-hydroxydibenzenone (AOHBP) are employed as two paradigms of voltage stabilizer for chemical-graft modifications.
-
Preparation of Ordered Fe3O4 Nanohoneycombs and Their Application in Capacitors ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-17 Yuga Osada, Takashi Yanagishita
Fe substrates with a depression pattern were anodized to obtain Fe oxide films with a nanohoneycomb structure and orderly arranged cylindrical pores of uniform size. Crystalline Fe oxide films could be obtained by the heat treatment of amorphous samples obtained by the anodization of Fe substrates, but the atmosphere during heat treatment had a significant effect on the surface structure and crystallinity
-
Structural, Mechanical and Thermal Behaviour of Graphene-Epoxy Polymer Matrix Nanocomposites ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-17 Deepak Awasthi, Manikant Paswan, Pallav Gupta
The change in characteristics in the microstructural features of epoxy nanocomposites created by reinforcing with graphene oxide (GO) obtained by controlled reduction of GO was investigated. The effects of adding various loadings (0.1–0.5 wt%) of RGO in epoxy resin were examined, with a focus on the material’s response toward mechanical and thermal properties. The robust interfacial bonding between
-
Effect of Organic Solvent on the Physical Properties of Spin-Coated Tin Sulfide Thin Films ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-16 T. Garmim, M. El Boughdadi, N. Benaissa, L. Soussi, O. Rhalmi, Z. El Jouad, A. Louardi, A. El Bachiri, B. Hartiti, M. Monkade
In the current study, the sol-gel spin coating was used to deposit SnS thin films on ordinary glass substrates, and annealed without sulfurization at 500 °C. Different organic solvents such as ethanol, 2-methoxyethanol, and methanol were used and their influence on the properties of SnS thin films was investigated. X-ray diffraction showed that the three prepared films have an orthorhombic structure
-
Impacts of Low Energy Oxygen Irradiation on the Dielectric Properties of PVA/TiO2 Nanocomposite Films ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-16 Reem Altuijri, M. M. Abdelhamied, A. Atta, H. M. Abdel-Hamid, A. M. A. Henaish, M. R. El-Aassar
In this work, the cast solutions manufacturing approach was applied to prepare a PVA/TiO2 composite, which is made of titanium dioxide (TiO2) and polyvinyl alcohol (PVA). The energy dispersive X-ray (EDX), atomic force microscope (AFM), and Fourier transform infrared (FTIR) methods were employed to indicated the successful preparations of the composites. Moreover, the XRD and SEM methodologies were
-
Review—Unveiling the Power of Deep Learning in Plant Pathology: A Review on Leaf Disease Detection ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-16 Madhu Bala, Sushil Bansal
Plant leaf disease identification is a crucial aspect of modern agriculture to enable early disease detection and prevention. Deep learning approaches have demonstrated amazing results in automating this procedure. This paper presents a comparative analysis of various deep learning methods for plant leaf disease identification, with a focus on convolutional neural networks. The performance of these
-
Experimental and Density Functional Theory Study of Inhibitors on Cobalt Corrosion for Chemical Mechanical Planarization Process ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-16 Qi Fang, Xueli Yang, Guofeng Pan, Xueyan Yang, Yuhang Qi
In the localized and global chemical mechanical planarization (CMP) process of Co barrier layers, corrosion inhibitors play a crucial role in the removal rate (RR) of Co and the post-polishing surface quality. In this study, quantum chemical calculations were employed to investigate the molecular reactivity of benzotriazole (BTA), 5-methyl benzotriazole (TTA), and 2,2’-{[(methyl-1H-benzotriazol-1-
-
Structural and Electrical Properties of Li Substituted Mg Nano Ferrites: Prepared by Citrate-gel Auto Combustion Method ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-12 Mallesh D., Pallati Naresh, Gangadhar Thalari, Aravind Seema
LixMg1−xFe2O4 where x=0.0to0.5with0.1 nano ferrites were synthesized by citrate gel auto combustion. Using a field-emission scanning electron microscope (FE-SEM) and the X-ray diffraction technique, their structural and topographical studies were examined. The prepared nano ferrites’ single-phase cubic spinel along the Fd3m space group is confirmed by the structural investigation. The synthesized samples
-
High Porous Activated Carbon Electrode Derived from Watermelon Peel Biomass Exposed with DC Glow Discharge Plasma Applied for Super Capacitors ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-11 Sowmiya K C, Vijayalakshmi K A
The growing demand for sustainable and environmentally-friendly technologies has spurred the exploration of innovative methods for waste management and resource utilization. Among the various bio-wastes generated globally, watermelon peel emerges as a significant contributor. To characterize carbon materials in the presence of functional groups, for morphological analysis, and intensity, we subjected
-
Kinetic Modeling and Material Removal Mechanism Analysis of Fixed-Abrasive Polishing for Lithium Tantalite Wafer ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-11 Wei Hang, Jiahao Ye, Hongyu Chen, Julong Yuan, Yong Li, Weijun Zhu, Kun Cui, Wei Song, Xuxia Shi
As a typical multi-functional soft-brittle material, lithium tantalate (LT) exhibits excellent electro-optical and ferroelectric properties and now has been widely applied in many fields, such as electro-optical modulators, pyroelectric detectors, and surface acoustic wave substrates. Traditional free-abrasive polishing processing of lithium tantalite crystals is generally fraught with poor efficiency
-
Investigation of Polisher Head and Slurry Sweep Effect in Oxide Film Polishing ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-11 Pengzhan Liu, Chul Kang, Kihong Park, Sanghuck Jeon, Ziyang Wang, Hyeonjeong Lee, Hyunjin Jeong, Euihaeng Lee, Taesung Kim
Chemical mechanical polishing (CMP) has undergone rapid advancements in global and local planarization. The synergy between the process control and the consumables is critical to overall CMP performance. In addition to optimizing consumables and equipment including a polisher, metrology, and inspection, the polishing protocol plays a crucial role in effective process management. In fabrication scenarios
-
Biogenic Zinc Oxide Nanoparticles: An Insight into the Advancements in Antimicrobial Resistance ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-10 Avinash Sharma, Akash K., Swati Kumari, Kartik Chauhan, Abija James, Riya Goel, Jay Singh, Rupak Nagraik, Deepak Kumar
Multidrug resistance (MDR) is a significant global challenge requiring strategic solutions to address bacterial infections. Recent advancements in nanotechnology, particularly in the synthesis of zinc oxide nanoparticles (ZnO NPs) using natural agents as stabilizers and reducing agents, have shown promising results in combating MDR. These nanoparticles possess strong antimicrobial properties against
-
Material and Antibacterial Properties of Spinel-Structure Ca-Doped ZnCo2O4 Thin Films ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-10 Kao-Pin Hwang, Hung-Chih Lin, Satoru Kaneko, Yu-Zhan Su, Ruei-Sung Yu
In the preparation of Zn(Co1−xCax)2O4 thin films with doping content ratio Cax = 0.00–0.20, analysis shows that no impurity phase is formed in spinel-structure thin films, while doping calcium reduces the grain size of the thin films and the planarization of the surface microstructure. Increasing the doping content ratio of calcium will reduce the ability of the film to absorb blue and ultraviolet
-
Pt/GaN Schottky Barrier Height Lowering by Incorporated Hydrogen ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-09 Yoshihiro Irokawa, Akihiko Ohi, Toshihide Nabatame, Yasuo Koide
Changes in the hydrogen-induced Schottky barrier height (Φ B) of Pt/GaN rectifiers fabricated on free-standing GaN substrates were investigated using current–voltage, capacitance–voltage, impedance spectroscopy, and current–time measurements. Ambient hydrogen lowered the Φ B and reduced the resistance of the semiconductor space–charge region while only weakly affecting the ideality factor, carrier
-
Analysis of Wet-Etched Structures on R-Plane Substrates of Sapphire in the Etchant of Sulfuric Acid and Phosphoric Acid ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-09 Guorong Wu, Xiaokang Chen, Xuanrong Gu, Yiqiu Wu
The occurrence and variation of wet-etched structures on R-plane substrates of sapphire were analyzed according to the distribution of drilling rates of typical crystal planes. First, the experiment for etching the sapphire hemisphere was conducted to obtain the distribution of etching rates with C-plane as the rotation center in the experimental etchant (236 °C, three parts H2SO4 and one part H3PO4
-
Development of Ge Isotropic Wet Etching Solution and its Application to High Quality Ge-on-Insulator Fabrication through the Etchback Method ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-08 Noboru Shimizu, Dong Wang, Hiroshi Nakashima, Keisuke Yamamoto
Ge has many unique characteristics, such as high carrier mobility and a narrow bandgap corresponding to near-infrared wavelengths. To take advantage of the attractive characteristics of Ge, Ge-on-Insulator (GOI) structures are necessary. In this study, we focus on a direct wafer bonding and etchback method to fabricate GOI structures and explore appropriate etching solutions for the etchback. An HF
-
Effect of Viscoelastic Characteristics on the Real Contact Area of Polishing Pad Surface ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-08 Changyu Hou, Hongyu Di, Ji Wang, Dongming Guo, Ping Zhou
Real contact area (RCA) between polishing pad and workpiece surface is one of the most important parameters indicating the mechanical action strength of chemical mechanical polishing (CMP), which has a dominated effect on the material removal. However, the effect of pad viscoelastic characteristics on RCA is not clear. In this study, a contact status measurement device that can apply cyclic load and
-
Glass Sintering Aid Effect on Magnetic and Dielectric Properties of YFeO3 Ceramics ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-08 Sadik Ahmed Mohammed, Rama Sekhara Reddy Dachuru
YFeO3 (YFO) and optimized glass wt% [0.5Li2O-0.5K2O-2B2O3 (LKBO) and BaO-Bi2O3-B2O3 (BBBO)] as a sintering aid in YFO ceramics were fabricated using fine powders prepared from sol-gel technique. Pure YFO and glass sintering aid added into YFO ceramics show orthorhombic crystal structure, confirmed by Rietveld refinement with the help of X-ray powder diffraction data. Scanning electron microscopy study
-
Anelastic Internal Friction and Mechanical Spectroscopy of SiO2/Si Wafers ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-05 Yurii Onanko, Lyudmyla Kuzmych, Anatoliy Onanko, Peter Il’in, Anna Kuzmych
In this work, after electron irradiation and X-ray, the outcomes of the evaluation dynamic characteristics of interstitial atoms Si j , vacancy V, and O-complexes were evaluated to account for the annealing conditions to derive specific structural defects in the SiO2/Si wafer. A non-destructive method, which allows the determination of the internal friction difference ΔQ −1 /Q −1 0 of the elastic vibration
-
Physio-chemical and biological Characterizations of 4 Bromo – 4'Chloro Benzylidene Aniline μ-crystals for Engineering Utilities ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-03 Balamurugapandian N, SenthilKannan K, Swarnalatha V, Juliet Josephine Joy J
4 Bromo—4’Chloro Benzylidene Aniline - as per suggestion it is named as 4B4CBA; Schiff based organic material has been synthesized and successfully grown by slow solvent evaporation technique. The orthorhombic crystal system of the grown crystal with space group Pccn is confirmed and cell parameters of the grown crystal of 4B4CBA is found by single crystal X-ray diffraction (XRD) analysis. The forming
-
Review—Silicon Carbide Thin Film Technologies: Recent Advances in Processing, Properties, and Applications: Part II. PVD and Alternative (Non-PVD and Non-CVD) Deposition Techniques ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-03 Alain E. Kaloyeros, Barry Arkles
Silicon carbide (SiCx) thin films deposition processes fall primarily into three main categories: (1) chemical vapor deposition (CVD) and its variants, including plasma enhanced CVD (PE-CVD); (2) physical vapor deposition (PVD), including various forms of sputtering; (3) alternative (non-CVD and non-PVD) methodologies. Part I of this two-part report ECS J. Solid State Sci. Technol., 12, 103001 (2023)
-
Dielectrically-Modulated GANFET Biosensor for Label-Free Detection of DNA and Avian Influenza Virus: Proposal and Modeling ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-03 Shivani Yadav, Amit Das, Sonam Rewari
This paper introduces a novel device called the Gate All Around Engineered Gallium Nitride Field Effect Transistor (GAAE-GANFET), designed specifically for label-free biosensing applications. This innovative gate-all-around engineering in GANFET integrates various device engineering techniques, such as channel engineering, gate engineering, and oxide engineering, to enhance biosensing performance.
-
The Effect of Graphene Oxide on Optical, Ferroelectric, and Catalytic Properties of Protein-Encapsulated ZnSe Nanocomposite ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-03 Suresh Babu Rapaka, Markkandan R, S. Diwakar Bhagavathula, Jay Singh, Rajeswari Dhanikonda, A. S. V. R. Sai Phani Kumar K, Venu Reddy
To explore the effect of graphene oxide (GO) on optical, ferroelectric, and catalytic properties of the protein-encapsulated ZnSe nanocomposite, we have prepared BSA-encapsulated ZnSe (BSA-ZnSe) nanocomposite and graphene oxide integrated BSA-encapsulated ZnSe (GO/BSA-ZnSe) nanocomposite samples. The ZnSe nanoparticles within these nanocomposites exhibit a highly crystalline zincblende structure with
-
A Compact Model for Carbon Nanotube Field Effect Transistors Incorporating Temperature Effects and Application for Operational Amplifier Design ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-04-03 Yajie Zou, Hongwei Liu, Yiying Liu, Minghui Yin, Weihua Zhang, Yunxia You, Huanhuan Zhou, Chen Wang
Semiconducting carbon nanotubes (CNTs), characterized by high carrier mobility and atomic thickness, are considered ideal channel materials for building high-performance and ultimate-scale field-effect transistors for future electronics. Here, we present a data-calibrated compact model of CNT field-effect transistors (CNTFETs) that incorporates temperature effects using the virtual source approach
-
Performance Comparison of Lossy Mode Resonance Refractive Index Sensors on Structures Based on Graphene and MoS2 ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-29 Devi Taufiq Nurrohman, Nan-Fu Chiu
2D materials such as graphene and MoS2 play an essential role in improving the performance of optical sensors. This paper numerically investigates a lossy mode resonance (LMR) sensor that uses MgF2 as its matching layer. The transfer matrix method was chosen to determine the reflectance curve of LMR sensors with different thicknesses of MgF2 and 2D materials. The computational results show that the
-
Comparative Study on Structural, Dielectric Behavior and AC Conductivity of PPY-PVA Incorporated with TiO2 Fine and Nano Particles ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-28 Ramesh Reddy T, A. R. Subrahmanyam, M. Ravindar Reddy, J. Siva Kumar, M. Jaipal Reddy, K. Venkata Ramana
An In situ oxidative chemical polymerization technique was used to prepare thin films of PPY, PVA, and PPY-PVA blend doped with variable concentrations of TiO2 fine- and nano-particles further investigated by X-ray diffractometer (XRD) and impedance spectrometer to study structural, dielectric, and AC conducting behavior. XRD spectra established that sharp and high intense peaks of PPY-PVA- fine TiO2
-
Synthesis and Properties of Eu and Ni Co-Doped ZnS Nanoparticles for the Detection of Ammonia Gas ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-28 Murali Ankinapalli, Harish G. S., Gopi Krishna Kurugundla, Charan Kuchi, Sowjanya Munga, P. Sreedhara Reddy
Zinc sulfide nanoparticles were synthesized successfully via chemical co-precipitation, both in undoped form and co-doped with Europium (Eu) and Nickel (Ni). All prepared samples exhibited cubic zinc blende structure as confirmed by X-ray diffraction (XRD). The average particle size ranged from 3 to 6 nm for both pure and (Eu, Ni) co-doped ZnS, with no alteration in the crystal structure due to Eu
-
Stability Enhancement in Copper-Doped Iron Oxide Resistive Random Access Memory via RF Co-Sputtering ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-28 Chia Feng Hsu, Hao-Lin Hsu, Yu-chun Huang, Chih-Chiang Yang, Yan-Kuin Su
In the study, the ITO/Cu-doped Fe2O3/ITO thin film RRAM is prepared using an RF sputtering system. The XRD pattern shows that the Cu:Fe2O3 thin film has a rhombohedral structure and does not display secondary or impurity phases for copper. Results revealed that the standard deviation and average voltage of Cu:Fe2O3 thin film are −1.98 and 0.92 V for Vset, respectively, while those for Vreset are 1
-
Breakdown up to 13.5 kV in NiO/β-Ga2O3 Vertical Heterojunction Rectifiers ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-27 Jian-Sian Li, Hsiao-Hsuan Wan, Chao-Ching Chiang, Timothy Jinsoo Yoo, Meng-Hsun Yu, Fan Ren, Honggyu Kim, Yu-Te Liao, Stephen J. Pearton
Vertical heterojunction NiO/β n-Ga2O/n+ Ga2O3 rectifiers with 100 μm diameter fabricated on ∼17–18 μm thick drift layers with carrier concentration 8.8 × 1015 cm−3 and employing simple dual-layer PECVD SiNx/SiO2 edge termination demonstrate breakdown voltages (VB) up to 13.5 kV, on-voltage (VON) of ∼2.2 V and on-state resistance RON of 11.1–12 mΩ.cm2. Without edge termination, the maximum VB was 7
-
Structural, Optical and Optoelectrical Properties of CuAlSnS4 Thin Films ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-27 I. M. El Radaf, H. Y. S. Al-Zahrani
The present study used chemical deposition to deposit thin copper aluminum tin sulfide (CATS4) layers onto clean glass substrates. X-ray diffraction analysis was utilized to explore the crystalline structure of the CATS4 films, which refers to the CATS4 films having a cubic crystal structure. Energy-dispersive X-ray analysis showed the presence of Cu, Al, Sn, and S peaks in the CATS4 films, and their
-
Comment on “Dielectric, Optical, and Magnetic Behaviors of Magnesium Iron-Based Double Perovskite” [ ECS J. Solid State Sci. Technol. , 11, 113003 (2022)] ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-26 Paweł E. Tomaszewski
It is obvious and well known that, when starting studies on a given sample, it is necessary to be sure of the chemical and phase composition of the sample. The most ideal method is to verify this by X-ray (or neutron) diffraction and subsequent structural analysis. Such initial analysis must use the well-known set of assumptions based on 100 years of X-ray diffraction studies. Without the use of these
-
Comparative Study of Rare Earth Nd and Sm Doping on the Structural, Morphological, Optical, Magnetic, and Electromagnetic Traits of Mg-Zn-Cu Spinel Nanoferrites ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-26 Anand Sharma, Rohit Jasrotia, Nisha Kumari, Jahangeer Ahmed, Saad M. Alshehri, Naveen Thakur, Virat Khanna, Rajesh Kumar
In the current study, the magnetic nanoparticles of neodymium and samarium substituted Mg-Zn-Cu, with a chemical composition of Mg0.5Zn0.5Cu0.05RxFe1.95-xO4 (x = 0.05; R = Nd, Sm) were produced via the sol-gel auto-combustion route. XRD indicates the evolution of a cubic symmetry having Fd3m space group and no impurities at the room temperature. The FESEM images show the irregularly shaped and agglomerated
-
Joint Mechanism (Tunneling and Thermionic Emission) for Improved Performance of a Dielectric Modulated Transistor Biosensor ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-20 Shivendra Yadav, Anju Gedam, Rajesh Kumar Sharma, Mohd. Aslam
The manuscript deals with a novel biosensor structure and reports the effects of including thermionic emission in an electrically doped Tunnel FET. It comprises a comparative analysis between two biosensors based on a pure tunnelling transistor and a transistor which combines the tunnelling and thermionic emission carrier transport in the same device. The manuscript first discusses the physics of Tunnel
-
Broadband Green-Yellow KGaSi2O6:Eu2+ Phosphor with Excellent Thermal Stability for Near Ultraviolet-Pumped White-Light-Emitting Diodes ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-20 Gai Yang, Xianke Sun, Honglei Yuan, Weijie Yang
Various types of Eu2+ activated phosphors show potential applications in light emitting diodes. In this work, the Eu2+ activated KGaSi2O6 phosphors were synthesized using high-temperature solid-state reactions. The crystallization and oxidation states, luminescence spectra, decay characteristics, and thermal stability were researched. Depending on excitation of NUV light, the Eu2+ activated KGaSi2O6
-
Review—Organic Solar Cells: Structural Variety, Effect of Layers, and Applications ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-20 Paritosh Chamola, Poornima Mittal, Brijesh Kumar
This review is focused on the current development in domain of organic photovoltaic cells (OPVs). Solar cells play a vital role for electricity production by converting sunlight to electric current. This paper presents an exhaustive literature review on advancements in field of OPVs. The solar cells, as a substitute for fossil fuels are, at the forefront in a wide range of research applications. The
-
First-Principles Analysis on the Optoelectronic, Structural, Elastic and Transport Characteristics of Novel Fluoroperovskites Cs2TlAgF6 for Green Technology ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-20 Hudabia Murtaza, Quratul Ain, Junaid Munir, Hamid M. Ghaithan, Abdullah Ahmed Ali Ahmed, Saif M. H. Qaid
Cs-based perovskites hold immense significance in the field of green technology due to their unique properties, offering promising avenues for efficient, low-cost devices. In this theoretical work, DFT has been employed to extensively scrutinize the physical properties of double fluoroperovskites Cs2TlAgF6. The modified Becke Johnson functional was used to take exchange-correlation effects into consideration
-
Interaction Studies of PVP and CTAB Capped CuO Nanorods with Aldicarb and Chlorpyrifos ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-19 G. B. V. S. Lakshmi, Rahul K. Singh, Yashi Punia, Tarun K. Dhiman, Avinash K. Singh, Pratima R. Solanki
Copper oxide uncapped nanorods (UC-CuO), capped with cetyltrimethylammonium bromide (CTAB-CuO), and polyvinyl pyrrolidine (PVP-CuO) were utilized for interaction study of Aldicarb (A.D.) and Chlorpyrifos (C.P.) pesticides. Electron microscopy (FE-SEM & TEM) studies confirmed the nanocrystalline structure and nanorod morphology of UC-CuO, CTAB-CuO, and PVP-CuO. The contact angle study showed the hydrophilic
-
Bioimpedance Measurement under Feature Combination of Time-Frequency Domain and Application for E. coli Detection ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-19 Ning Lu, Boyu Guo, Zhikang Rao, Juntao Chen, Ying Xu
Electrochemical impedance sensors are widely used for bacterial detection and interpreted by the equivalent circuit model (ECM) to evaluate the concentration changes on the electrode interface. However, this method is mainly based on prior models and focuses on frequency domain analysis which cannot precisely describe unknown dynamic processes and a fractional surface coverage of electrode. Distribution
-
Upconversion Luminescence Properties and Temperature Sensing Characteristics of Tm3+, Yb3+-codoped SrAl2Si2O8 Phosphors with High Thermometric Sensitivities ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-19 Aierpati Taximaimaiti, Aierken Sidike, Halizati Abulimiti, Qingling Wang
In this paper, a SrAl2Si2O8:Tm3+,Yb3+ upconversion (UC) phosphor was prepared with a high-temperature solid-phase method, and proved that the strontium feldspar structure was an excellent UC matrix. The Tm3+ were shown to have a maximum relative thermometric sensitivity (Sr) of 1.67% K−1 at 298 K and a maximum absolute thermometric sensitivity (Sa) of 1.34% K−1 at 573 K. The non-thermally coupled energy
-
Argon Nanocluster Filled Between Twisted Bilayer Graphene: Molecular Dynamics Simulation ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-15 Shuwen Cui, Yulin Wu, Shuangshuang Hui, Qiang Li, Weiwei Liu
In 2004, graphene was discovered by Novoselov and Geim. With the development of technology,twisted bilayer graphene (tBLG) has become a hot research topic. On the basis of predecessors, we further study the confined spaces between twisted bilayer graphene. The interlayer spacing between them is expected to modify properties of atoms and molecules confined at the atomic interfaces. The effects of twist
-
Development of Novel Conditioning Method Using Thermal Shape Memory Characteristics of Polyurethane CMP Pad ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-15 Jangwon Seo, Sanghuck Jeon, Jongwook Yoon, Joonho An, Yongsoo Choi, Hyunho Seok, Seunghwan Lee, Pengzhan Liu, Wookyung Jeon, Taesung Kim
Traditionally, the pad roughness has been maintained by wearing down the polyurethane pad with diamond disk. However, that method generates debris and reduces pad lifetime. This study propose a new approach to pad surface recovery by synthesizing a polyurethane-based raw material that exhibits shape memory behavior and can recover its shape upon heating. The findings suggest that the pad’s surface
-
Li2B5O8Cl: A New Borate Chloride with Interpenetrating 3D B–O Frameworks Enriching Structural Chemistry of Borate ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-15 Lihan Deng, Chunyan Bai, Jin Li, Nana Zhang
A new borate chloride, Li2B5O8Cl, has been obtained. It exhibits complicated interpenetrating 3D B–O frameworks composed of the functional building block (FBB) [B5O10], enriching the structural diversity of B–O configurations. The theoretical study indicates that the birefringence is estimated to be 0.026 at 1064 nm. Meanwhile, the structure-property relationships were analyzed through the first-principles
-
Two- and Three-Dimensional Recrystallization of Discrete Amorphous in C3H5-Molecular-Ion-Implanted Silicon Surface Analyzed by TCAD Simulation ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-13 Koji Kobayashi, Ryosuke Okuyama, Takeshi Kadono, Ayumi Onaka-Masada, Ryo Hirose, Akihiro Suzuki, Yoshihiro Koga, Koji Sueoka, Kazunari Kurita
Technology computer-aided design (TCAD) kinetic Monte Carlo simulations revealed the unique recrystallization processes of discrete amorphous regions connected to a buried amorphous layer in a C3H5-molecular-ion-implanted silicon (Si) substrate. The faithful simulation models show that the discrete amorphous regions are first recrystallized two-dimensionally in the lateral direction from both sides
-
Study on Sequential Secondary Nucleation Growth of ZnO Nanoellipsoids via Nanorods using Template-Free Solution Based Low Temperature Method ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-13 Shareen Bhurgri, Asad Ullah, Shazia Bhurgri, Shusheel Kumar, Jawad Ahmed, Haris Jawad Arain, Muhammad Junaid Ahsan, Faheem Akhter
Herein, Zinc Oxide (ZnO) Nanoellipsoids (ELs) were grown on a paper substrate using template-free solution based low temperature method. The evolution of as per grown ZnO ELs was recorded at different intervals of time using scanning electron microscopy (SEM). Furthermore, the structural and optical properties were investigated by high-resolution transmission electron microscopy (HRTEM), selected area
-
High-Selectivity-Based Novel Split-Gate VTFET Biosensor for Identification of SARS-CoV-2 ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-12 A. Theja, Vikas Ambekar, Meena Panchore
The World Health Organization (WHO) has officially declared the international outbreak of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), often known as Coronavirus Disease 2019 (COVID-19), a global pandemic based on the significant and sudden increase in human infections worldwide. With suitable treatment and early diagnosis, this outbreak can be controlled to a certain extent. In the
-
Development of LTCC IR-Emitter and Its Packaging ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-12 M. Ramesh, D. K. Kharbanda, P. K. Khanna, Nikhil Suri
In this paper, thick film-based IR source is fabricated using multilayer Low Temperature Co-fired Ceramic (LTCC) Technology. The proposed emitter is developed using screen printing of platinum material on LTCC substrates. The highly uniform meander shaped structure is fabricated with the size of 3.5 mm × 3.5 mm. Electrical, optical and thermal characterization of the fabricated device are carried out
-
Structural, Elastic, Mechanical, Electronic, and Optical Properties of a Novel Quaternary Chalcogenide Semiconductor Ba3GeTeS4 ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-11 Lingping Xiao, Xiaojie Yi
The structural, elastic, mechanical, electronic and optical properties of Ba3GeTeS4 have been studied by pseudopotential density functional theory static calculations. The results indicated that both the lattice constant and cell volume decrease with the increase of pressure, which match well with available previous values. The pressure has a more significant influence on the b direction than the a
-
Influence of the Synthesis Process on the Physical Property Characteristics of BiFeO3 Ceramics Prepared by Flux-based Molten Salt and Solid-state Reaction Route: A Comparative Study ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-11 Priyanka Mitra, N. Jahangeer, B. Harihara Venkataraman
This work reports the influence of the solid-state reaction (SSR) and molten-salt synthesis (MSS) routes on the physical properties of the multiferroic BiFeO3 (BFO) compound exploited for capacitors and memory devices. Rietveld refinement reveals that the MSS-derived BFO ceramics have exhibited a pure-phase distorted rhombohedral perovskite structure at low temperatures (650 °C) compared to the SSR
-
Reconfigurable Ring Antenna Sensor for Detection of Adulteration in Liquids ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-07 Priyanka1, Sonia Bansal, Preet Kaur
In this research paper, a novel reconfigurable ring antenna sensor is presented to detect adulteration in liquids. The suggested antenna sensor is designed to detect and predict salt and sugar concentrations in water and adulterant concentrations in milk. The proposed antenna works in five modes and reconfigurability is achieved using pin diodes. The adulteration in liquids is determined by analyzing
-
Enhancing Red Brick Performance: A Study on Aluminum Oxide/Graphite Composite Material Effects ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-07 Chetana S., Shravan V., Navya Rani, Ashutosh Verma, Puneetha G. K., Dinesh Rangappa
The objective of this research was to add nano/micro composites to red bricks in order to reduce costs while increasing strength. A finite element model (FEM COMSOL) was created to determine the best cavity design and placement in nano/micro composite bricks in order to decrease density and boost mechanical characteristics. Several nano/micro composite materials were used to broaden this red brick’s
-
Dielectric Relaxation and AC Conductivity of Fe-Doped Glassy Semiconductors: Role of Fe Doping on Relaxation Time ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-05 Jiban Ghosh, Mir Sahidul Ali, Sanjib Bhattacharya
AC conductivity and dielectric parameters are supposed to be two noticeable parameters that ensure the applicability of present samples for electronic and other applications. Presently, Fe-doped glassy semiconductors were developed by melt-quenching route and characterized using FT-IR, SEM, EDAX and decoupling index for structural, morphological and elemental examinations. Frequency dependent dielectric
-
Chemical Mechanical Polishing for Monocrystal SiC Assisted by the Heterogeneous Sono-Fenton Oxidation ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-05 Dong Shi, Tao Yin, Kaiping Feng, Tianchen Zhao
The efficient chemical mechanical polishing (CMP) ability of monocrystal SiC determines the development of advanced semiconductor device. In order to improve the ultra-precision polishing efficiency for SiC, a CMP method based on the heterogeneous sono-Fenton oxidation was proposed. The effects of heterogeneous sono-Fenton on SiC surface softening and polishing based on hydroxyl radical oxidation were
-
Performance of Electromagnetic Properties of Carbon Fiber Reinforced and AuNPs Functionalized MWCNTs Doped Hybride Composites ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-04 Vildan Özkan
The purpose of this article is to compare the electromagnetic absorption properties of carbon fiber layer composite materials produced separately using Au particles doped MWCNT added epoxy with pure MWCNT added epoxy resin. This new material, produced using MWCNT doped with Au particles, increases its radar absorption capability. And therefore the as-prepared electromagnetic absorber demonstrates enormous
-
Excellent Diffusive Performance of Cold-Plasma-Exposed Activated Peanut Shell Carbon as an Electrode in Al-Air Batteries ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-03-01 K. A. Vijayalakshmi, N. Karthikeyan
Modern energy and ecological sustainability can be accomplished in part, by using activated bio char-based electrodes made from biomass waste in energy-producing devices like metal-air batteries and fuel cells. Herein, a simple method of combining Pyrolysis graphitization with DC glow discharge plasma is used to create highly disorder carbonaceous materials incorporating surface functional groups from
-
Self-Powered Photodetectors on the Lateral CsPbBr3/CsPbI3 Perovskite Heterostructure Nanoplates ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-02-29 Yalan Tan, Xuying Zhong, Qijie Yan, Wei Dou, Weike Wang, Dongsheng Tang, Weichang Zhou
Self-powered photodetectors have attracted the extensive attention in the past years. Herein, we synthesized the lateral CsPbBr3/CsPbI3 perovskite heterosrtucture nanoplates using anti-solvent solution method and fabricated the self-powered photodetectors by transfer the Au-Au electrodes onto the surface of single CsPbBr3/CsPbI3 nanoplate. Under zero bias, this photodetector showed a reversible switching
-
Investigation of Resistive Switching of Insulating Hafnium Nitride for Nonvolatile Memory Applications ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-02-29 Hoang Bao Chau Do, Chin-Han Chung, Thi Thu Mai, Om Kumar Prasad, Deepali Jagga
In this study, nitrogen-rich Hafnium Nitride (HfN) featuring insulating properties was investigated for achieving resistive switching, crucial for the functionality of resistive random-access memory (ReRAM) devices. Devices were fabricated with a 15-nm HfN resistive switching layer using a Radio Frequency (RF) sputtering system. The fabricated devices successfully exhibited a bipolar switching characteristic
-
Pistachio Waste-Derived Activated Carbon Materials for Sustainable Energy Storage: Supercapacitor Applications ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-02-29 S. Sathish, R. Navamathavan
This study explores the potential of utilizing pistachio waste which is of low-cost and eco-friendly precursor for the synthesis of activated carbon for supercapacitor applications. Pistachio shells, a common agricultural waste product, were subjected to a controlled pyrolysis process followed by the activation to produce activated carbon materials. The resulting activated carbon was characterized
-
Effect of Film Density on MgSiO3-Based Resistive Random-Access Memory ECS J. Solid State Sci. Technol. (IF 2.2) Pub Date : 2024-02-28 Fu-Yuan Jheng, Sheng-Po Chang
Different film density MgSiO3 based resistive random-access memorys (RRAMs) are fabricated to investigate the resistive switching behaviors. The X-ray diffraction results, set voltage, reset voltage, cycling endurance, and retention time are drawn for comparison. With the increasing oxygen ratio gas flow, the resistive switching characteristics of MgSiO3 RRAM are drastically elevated by changing the