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Graphene-like MXene-based microwave absorbers and shields: Latest progress and perspectives Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-26 Ji-You Zong, Mao-Sheng Cao
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Interfacial Coulomb-enhanced charge injection for efficient perovskite light-emitting diodes Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-24 Yongjian Chen, Cheng Yan, Zhenyu Chen, Xiankan Zeng, Qungui Wang, Shiyu Yang, Lunyao Pan, Chenglong Li, Maolin Mu, Wen Li, Guanqi Tang, Weiqing Yang
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Superconductivity induced by ionized σ-bond at 10 GPa Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-23 Pengye Liu, Yanhui Liu, Zhao Liu, Tian Cui
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In situ construction of efficient electromagnetic function Graphene/PES composites based on liquid phase exfoliation strategy Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-22 Xiaoke Fang, Yi Zhang, Kaixiang Pang, Yuanhui Wang, Tingting Hu, Wei Zhang, Chunhong Gong, Jingwei Zhang
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Fabrication of thermoelectric Bi2Te2·5Se0.5 with adjustable porosity Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-20 Haidong Zhao, Peng Zhao, Binhao Wang, Dan Wang, Aihua Song, Chen Chen, Tao Shen, Fengrong Yu, Dongli Yu, Bo Xu, Yongjun Tian
Porous structures have attracted considerable interest for their impact on the transport and mechanical characteristics of materials. The fabrication of porous materials, however, often involves intricate preprocessing steps and typically lacks the ability to tailor porosity with ease. In the present study, we present a straightforward method to prepare porous BiTeSe samples by employing low-pressure
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Preparation and optoelectronic performance of two-dimensional MoSe2/WSe2 lateral and vertical heterostructures Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-20 Yutong Wang, Xue Jing, Lijian Bai, Dong Pan, Wenjie Wang, Fangchao Lu, Xingqiu Fu, Xiaolong Liu, Xunlei Ding, Jiajun Deng
Two-dimensional materials Transition Metal Dichalcogenides (TMDs) are a novel type of semiconductor material with tunable bandgap and atomic-level thickness. Different TMDs can be flexibly combined to form heterostructures with distinct properties. In this paper, we have prepared two-dimensional MoSe/WSe vertical and lateral heterostructures by using CVD and a combination of PVD and CVD, respectively
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Phonon relaxation effect by regeneration of nano-inclusions in SiGe for ultralow thermal conductivity and enhanced thermoelectric performance Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-19 Hongbo Chen, Zhongwei Zhang, Jisheng Liang, Lei Miao, Qi Zhou, Ying Peng, Chengyan Liu, Junliang Chen, Huajun Lai
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Superpentagraphene C34: A two-dimensional network structure of C20 fullerene Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-19 Wang Chang-Tian, Kun Bu
The well-known smallest icosahedral fullerene C is comprising five-membered carbon-rings in all bonding states. Here we identify by calculations a new quasi two-dimensional (2D) carbon allotrope in - bonding states, comprising the unusual five-membered C fullerene as the basic structural units, with a 34-atom hexagonal cell in 6/ symmetry, and term it as spg-C superpentagraphene. Total energy calculations
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Small functional hydrogels with big engineering applications Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-19 Yifan Liu, Zhiguang Guo
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Hierarchical assembly of peptoids on MoS2 Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-16 Shuai Zhang, Wenhao Zhou, Bradley Harris, Renyu Zheng, Madison Monahan, Peng Mu, Wenchao Yang, Jiajun Chen, Aleksandr Noy, Marcel Baer, Chun-Long Chen, Jim De Yoreo
Bio-macromolecular assembly forms intricate scaffolds in living systems that allow them to biomineralize bone, enamel, and shell. Such bioinspired approaches have also been widely used in biohybrid materials synthesis. Recently, researchers have demonstrated functional bioelectronic structures by assembling biopolymers, including proteins and peptides, on van der Waals (VdW) materials for sensors and
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Mechanistic understanding of enhanced thermal stability of twinned copper nanowires Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-16 Hsin-Yu Chen, Ming-Chi Tai, Chien-Neng Liao
Thermal instability problems of nanostructured materials, including grain coarsening and recrystallization, can be alleviated by introducing nanoscale coherent twin boundary (CTB) structures. However, the detailed interaction mechanism between CTB and grain boundaries (GBs) during microstructural transformation has not been well elucidated. To gain insight, we investigate the migration behavior of
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Lattice contraction-driven design of highly efficient and stable O–NiFe layered double hydroxide electrocatalysts for water oxidation Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-15 Zhangquan Gong, Xing Wang, Wei Pi, Na Yao, Zheng Fang, Haifeng Bao, Qi Wu
The slow progress of the oxygen evolution reaction (OER) is a key challenge in advancing water splitting as a viable technology for sustainable hydrogen production. Utilizing a self-standing NiFe layered double hydroxide (LDH) is a promising approach to address the slow kinetics of OER. Herein, the oxidized Fe-containing NiFe-LDH supported on Ni foam (O–NiFe-LDH@NF) is developed through corrosion engineering
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High temperature superconductivity of quaternary hydrides XM3Be4H32 (X, M = Ca, Sr, Ba, Y, La, Ac, Th) under moderate pressure Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-14 Wendi Zhao, Defang Duan, Decheng An, Qiwen Jiang, Zhengtao Liu, Tiancheng Ma, Zihao Huo, Jianhui Du, Tian Cui
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Effects of Ag off-stoichiometry on mechanical and thermoelectric properties of ductile AgCuSe0.6S0.4 Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-13 Tingwei Yin, Tingting Deng, Pengfei Qiu, Chuanyao Sun, Kelin Shen, Zhengyang Zhou, Xun Shi
Recently, AgCuSe-based ductile inorganic thermoelectric (TE) materials have attracted great interests because they can simultaneously achieve excellent TE performance and good deformability at room temperature. The composition-performance relationship of p-type AgCuSe-based ductile inorganic TE materials have been systematically investigated, but the related investigation on n-type AgCuSe-based ductile
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Synthesis of black phosphorus and its applications Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-13 Xuan Zhang, Wei Zhang
2D and layered materials have attracted tremendous research interest due to their various exciting properties and potential for revealing intriguing novel phenomena. Black phosphorus, rediscovered in 2014, has been the focus of rapidly expanding research activities because of its unique crystalline symmetries, widely tunable band gap, strong in-plane anisotropy and high carrier mobility, making it
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Unveiling the dynamic change in the ionic conductivity of a solid-state binary mixture comprising an organic ionic plastic crystal and LiBF4 Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-12 Hiroyuki Ueda, Naoto Saito, Azusa Nakanishi, Haijin Zhu, Robert Kerr, Fuminori Mizuno, Patrick C. Howlett, Maria Forsyth
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Weak interatomic interactions induced low lattice thermal conductivity in 2D/2D PbSe/SnSe vdW heterostructure Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-11 Shuwei Tang, Peng Ai, Shulin Bai, Da Wan, Xiaodong Li, Wanrong Guo, Tuo Zheng, Hao Wang
Inspired by the excellent thermoelectric performance of two-dimensional (2D) PbSe and SnSe monolayers, the thermal and electronic transport properties of 2D/2D PbSe/SnSe heterostructure is theoretically evaluated using first-principles calculations and Boltzmann transport theory. An indirect bandgap of 1.06 eV for the PbSe/SnSe heterostructure is calculated by the combination of Heyd-Scuseria-Ernzerhof
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Unphysical grain size dependence of lattice thermal conductivity in Mg3(Sb, Bi)2: An atomistic view of concentration dependent segregation effects Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-11 Xiaofan Huang, Chengzhi Li, Minhui Yuan, Jing Shuai, Xiang-Guo Li, Yanglong Hou
Grain boundary (GB) engineering is one of the most common strategies to reduce the lattice thermal conductivity and improve thermoelectric materials. However, in the case of the promising thermoelectric material Mg(SbBi), an abnormal dependence of lattice thermal conductivity on grain size was observed at the concentration of = 0.25, where smaller grain polycrystalline materials exhibited higher lattice
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Duckweeds mimicked self-clean Janus solar evaporator Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-08 Ziheng Zhan, Zhen Liu, Ciwei Wu, Yinfeng Li, Mingzhu Xie, Qing Li, Zhaolong Wang
Solar water evaporation has been considered as a promising method to solve the global water scarcity due to its low energy consumption, environmental friendly, as well as high water evaporation efficiency. However, salt crystallization on evaporation surface drastically decrease the evaporation rate of seawater. In this work, we propose a novel bionic solar evaporation system based on 3D printing technology
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High thermoelectric performance of GeTe-MnTe alloy driven by spin degree of freedom Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-08 Shuailiang Chen, Yunzhe Zhong, Jianfeng Cai, Zongwei Zhang, Feng Gao, Shaohui Huo, Jiehua Wu, Chen Cui, Xiaojian Tan, Guoqiang Liu, Dong Fang, Jun Jiang
GeTe has been known as an excellent thermoelectrics, whereas its realistically application is limited by its structural phase transition near 700 K. Here, we show that the temperature of phase transition can be suppressed below 300 K by alloying 35% MnTe. The GeTe-MnTe alloy exhibits the much different transport properties from GeTe. Its room-temperature Seebeck coefficient is close to that of optimized
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Highly-selective metalation of porphyrin enabled by distinct aromatic ring-fused structures Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-08 Yanghan Chen, Pengcheng Ding, Ye Sun, Lev N. Kantorovich, Flemming Besenbacher, Miao Yu
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Construction of three-dimensional porous network Fe-rGO aerogels with monocrystal magnetic Fe3O4@C core-shell structure nanospheres for enhanced microwave absorption Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-07 Kunyao Cao, Weiping Ye, Yuan Fang, Yue Zhang, Rui Zhao, Weidong Xue
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Novel GdAlGe2O7:Bi3+,Eu3+ phosphors with anti-thermal quenching properties for high sensitivity optical temperature measurement Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-06 Ruipu Shang, Zeyu Lyu, Kaijie Liu, Lile Dong, Dashuai Sun, Taixing Tan, Sida Shen, Shuai Wei, Luhui Zhou, Zheng Lu, Pengcheng Luo, Xiaowei Zhang, Hongpeng You
The thermometry technique based on fluorescence intensity ratio has attracted much attention for its advantages of fast response, high accuracy, and non-contact. Here, we report a series of novel GdAlGeO:Bi,Eu phosphors with anti-thermal quenching properties for high sensitivity optical temperature measurement. By constructing the energy transfer between Bi and Eu ions, the GdAlGeO:Bi,Eu exhibits a
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Heterogeneous interface engineering of bionic corn-structured ternary nanocomposites for excellent low-frequency microwave absorption Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-05 Shanxin Li, Yijing Sun, Linyun Zhang, Xuzhou Jiang, Hongying Yu
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Symmetry and magnetic direction dependent spin/valley splitting and anomalous Hall conductivity of antiferromagnetic monolayer MnPTe3 Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-05 Wenzhe Zhou, Tingyu Sun, Zhenzhen Wan, Aolin Li, Yu Chen, Fangping Ouyang
Due to the time reversal symmetry breaking or spin-valley coupling, there are intrinsic valley splittings in two-dimensional magnetic materials, which are closely related to the symmetry and magnetic order. Based on MnPTe monolayers with different symmetries, we present an understanding of direction dependent spin/valley splitting and anomalous Hall conductivity from the perspective of orbital interactions
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Structural dynamics of first-order phase transition in giant magnetocaloric La(Fe,Si)13: The free energy landscape Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-05 André Azevedo Beleza, Bernardo Pires, Rafael Almeida, John S.O. Evans, António M. dos Santos, Mathias Frontzek, Edmund Lovell, Benedikt Beckmann, Konstantin Skokov, Oliver Gutfleisch, João Pedro Araujo, A.M. Milinda Abeykoon, João S Amaral, João Horta Belo
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High performance solar blind avalanche photodetector based on a single-crystalline ɛ-Ga2O3/BaSnO3 heterojunction Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-02 Ningtao Liu, Haobo Lin, Yuxia Yang, Chang Liu, Shudong Hu, Dongyang Han, Shen Hu, Li Ji, Wenrui Zhang, Jichun Ye
Solar-blind photodetectors based on ultrawide bandgap semiconductors have attracted extensive attention due to their advantages such as ultra-low background noise and high chemical stability. In this work, for the first time we construct a high-performance avalanche photodetector (APD) based on the single crystalline ε-GaO/BaSnO epitaxial heterojunction. The device exhibits a high rectification ratio
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Unveiling future superconductors through machine learning Mater. Today Phys. (IF 11.5) Pub Date : 2024-03-01 Zihao Bai, Mangladeep Bhullar, Akinwumi Akinpelu, Yansun Yao
The recent discovery of superconductivity above 200 K in hydrides of sulfur and lanthanum under high pressure marked a significant advance toward the realization of room-temperature superconductivity. While binary hydrides have almost been completely studied theoretically, experimental evidence suggests that the next breakthrough in finding high-temperature and low-pressure limits is likely connected
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Enhancement of photodetection performance of Ga2O3/Si heterojunction solar-blind photodetector using high resistance homogeneous interlayer Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-25 Ke Tang, Lei Zhang, Keyun Gu, Haofei Huang, Zun Liu, Zilong Zhang, Jian Huang, Linjun Wang
Creating homojunctions using GaO material presents a significant challenge, primarily because of the inherent difficulty in achieving stable p-type GaO. The pn heterojunctions based on n-GaO materials offer a promising alternative for developing solar-blind photodetectors. In this work, our strategy is to fabricate a n-GaO/p-Si heterojunction solar-blind photodetector with interface layers of high
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Double transition-metal MXenes: Classification, properties, machine learning, artificial intelligence, and energy storage applications Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-24 Iftikhar Hussain, Uzair Sajjad, Onkar Jaywant Kewate, Umay Amara, Faiza Bibi, Abdul Hanan, Darshna Potphode, Muhammad Ahmad, Muhammad Sufyan Javed, P. Rosaiah, Sajjad Hussain, Karim Khan, Zeeshan Ajmal, S. Punniyakoti, Saleh S. Alarfaji, Jee-Hyun Kang, Wail Al Zoubi, Sumanta Sahoo, Kaili Zhang
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Investigation of interfacial thermal resistance between Bi2Te3 thin films and metal electrodes via TDTR Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-24 Bing Zhao, Youyang Qu, Weiyun Zhao, Yuan Deng
A challenge on promoting thermoelectric application is the low energy conversion efficiency of thermoelectric devices. Reducing the contact thermal resistance of a thermoelectric device can improve efficiency effectively. However, study on interfacial thermal transport is lack due to the difficulty on contact thermal resistance measurement. Herein, a study on contact thermal resistance between thermoelectric
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Distinct superconducting states in the pressure-induced metallic structures of topological heterostructure BiTe Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-24 Shihao Zhu, Bangshuai Zhu, Cuiying Pei, Qi Wang, Jing Chen, Qinghua Zhang, Tianping Ying, Lin Gu, Yi Zhao, Changhua Li, Weizheng Cao, Mingxin Zhang, Lili Zhang, Jian Sun, Yulin Chen, Juefei Wu, Yanpeng Qi
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Highly efficient spin-orbit torque generation in bilayer WTe2/Fe3GaTe2 heterostructure Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-24 Brahim Marfoua, Jisang Hong
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Significant enhancement in the photoelectronic properties of SnI4 via pressure-tailored phase engineering Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-24 Ruihong Lu, Zonglun Li, Lei Yue, Liying Song, Sixue Fang, Tingyu Liu, Pengfei Shen, Quanjun Li, Xilian Jin, Bingbing Liu
Constantly developing superior functional materials with fascinating photoelectric properties is crucial for advancing the optoelectronics industry. Here, we demonstrate a feasible strategy to significantly improve the photoelectric properties of SnI through employing high pressure phase engineering. With increasing pressure, the photocurrent response of SnI undergoes sequential enhancement and the
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Embedded-machine learning and soft, flexible sensors for wearable devices - viewing from an AI engineer Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-23 Chi Cuong Vu
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Ionic thermoelectric materials: Innovations and challenges Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-23 Shuanglin Jia, Wanyu Qian, Penglu Yu, Ke Li, Mingxuan Li, Jinle Lan, Yuan-Hua Lin, Xiaoping Yang
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Prediction of ambient pressure superconductivity in cubic ternary hydrides with MH6 octahedra Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-22 Feng Zheng, Zhen Zhang, Zepeng Wu, Shunqing Wu, Qiubao Lin, Renhai Wang, Yimei Fang, Cai-Zhuang Wang, Vladimir Antropov, Yang Sun, Kai-Ming Ho
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Insight into lightweight MXene/Polyimide aerogel with high-efficient microwave absorption Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-21 Ying Li, Chunlei Dong, Sijia Wang, Peng Zhang, Dongyi Lei, Binbin Yin, Zhichun Chen, Xiaodong He, Chengkan Liu, Jiaxin Liu
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Pressure-induced Lifshitz transition in the type-II Weyl semimetal WP2 Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-15 Zhenhua Chi, Junran Zhang, Zisheng Gong, Feng Peng, Xiangqi Wang, Guohao Dong, Yanchun Li, Youguo Shi, Yongheng Ge, Xin Yang, Zengming Zhang, Gang Xu, Ning Hao, Chao Zhou, Jinggang Qin
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Intelligent estimation of critical current degradation in HTS tapes under repetitive overcurrent cycling for cryo-electric transportation applications Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-15 Alireza Sadeghi, Shahin Alipour Bonab, Wenjuan Song, Mohammad Yazdani-Asrami
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Electromechanically reconfigurable plasmonic nanoslits for efficient nano-opto-electro-mechanical tuning Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-15 Hyeong Seok Yun, Xiu Liu, Hakan Salihoglu, Zhuo Li, Sheng Shen
Plasmonic metamaterials with strong localized surface plasmon resonances (LSPRs) have been improved by incorporating a nano-opto-electro-mechanical system (NOEMS) for tunable optical and electrical responses. However, conventional NOEMS devices suffer from the inefficient free-space coupling due to the limited design of reconfigurable antennas and the low optical tunability due to electrostatic pull-in
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High thermoelectric performance near the Mott–Ioffe–Regel limit in CuxS0.6Te0.4 meta-phases Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-13 Min Zhou, Kunpeng Zhao, Hexige Wuliji, Hong Su, Jingdan Lei, Tian-Ran Wei, Fangfang Xu, Xun Shi
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A new noncollinear triangle antiferromagnetic phase in Mn3GaN by Cr doping Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-10 Jingyao Wang, Kewen Shi, Ying Sun, Sihao Deng, Kaiqi Zhang, Jin Cui, Dongmei Hu, Weisheng Zhao, Cong Wang
The study on spintronic materials with noncollinear antiferromagnetic (AFM) structures is a hot research field. Antiperovskite Mn-based compounds MnN with Kagome lattice have attracted extensive attention, which display abundant physical properties. Particularly, some with non-zero Berry curvature can exhibit anomalous Hall effects or spin Hall effects despite their noncollinear AFM structures. They
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Nanoscale observation of heparin-mediated self-assembly of chiral tau enantiomers Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-10 Wei Chen, Yunhao Chen, Yunjiao Wang, Ligang Chen, Shuo Zhou, Dandan Li, Bohua Yin, Zhongbo Yang, Liang Wang, Huabin Wang
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A/B sites Co-doping in spinel oxide enabled by a high-entropy strategy for enhanced thermal radiation Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-10 Na-Li Chen, Ge-Ting Sun, Cheng-Yu He, Bao-Hua Liu, Hui-Xia Feng, Gang Liu, Xiang-Hu Gao
The introduction of multiple metal atoms into a single-phase structure is a highly desirable strategy to enhance the functional properties of materials. Herein, we report the synthesis of a high-entropy (Cu, Mn)(Co, Fe, Cr)O oxide by simultaneously doped cations into the A and B sites of a spinel structure through a solid-phase synthesis method. Through comprehensive characterization of its microstructure
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Carrier optimization and reduced thermal conductivity leading to enhanced thermoelectric performance in (Mg, S) co-doped AgSbTe2 Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-10 Peramaiyan Ganesan, Chandra Shekar Gantepogu, Sidharth Duraisamy, Suneesh Meledath Valiyaveettil, Wei-Han Tsai, Cheng-Rong Hsing, Kung-Hsuan Lin, Kuei-Hsien Chen, Yang-Yuan Chen, Maw-Kuen Wu
Optimizing materials' electrical and thermal properties takes time and effort to achieve high thermoelectric performance. However, the appropriate dopants based on the solution can mitigate the difficulties and increase the overall thermoelectric performance. We have investigated the influence of (Mg, S) doping on the thermoelectric properties of AgSbMgTeS (x = 0.02, 0.03 and 0.04; y = 0.05, 0.1 and
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Multiple conduction bands with strong valley anisotropy yielding ultrahigh thermoelectric power factors in n-type elemental Ge Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-08 Jingwei Wan, Chenghao Xie, Xiaochen Sun, Sihan Chen, Xinfeng Tang, GangJian Tan
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A MoS2/BAs heterojunction as photodetector Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-08 Guoyu Xiong, Jialin Lu, Ruize Wang, Ziheng Lin, Shenglin Lu, Jianchao Li, Zhaofei Tong, Zhanjun Qiu, Ke Chen, Yong Sun, Fei Tian, Chengxin Wang
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Study on thermoreflectance linear relation of gallium nitride epitaxial structures at above-bandgap wavelength Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-08 Yunliang Ma, Mei Wu, Haochen Zhang, Haiding Sun, Chao Yuan
Increasing attention has been paid to the transducer-less thermoreflectance measurements on gallium-nitride (GaN) semiconductors to reveal their thermal properties as well as channel temperatures of GaN-based devices by employing above-bandgap light sources. However, quantitative studies of the thermoreflectance linearity for GaN-based materials are still challenging. In this work, the thermoreflectance
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Remarkable enhancement of the nonlinear optical absorption of W18O49 by Cu doping Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-08 Miao He, Danil W. Boukhvalov, Hui Li, Xiangyun Gao, Mark G. Humphrey, Chi Zhang, Zhipeng Huang
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Ultra-high thermoelectric performance achieved in only ternary lead sulfide through unconventional halogen element doping Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-07 Wenjun Su, Qian Deng, Lin Gan, Xiaobo Tan, Zhengmin He, Wei Yuan, Canyang Zhao, Xiang An, Bo Liu, Ran Ang
The abundant presence of lead sulfide on Earth, as PbTe and PbSe homologous compounds, has sparked increasing research interest in the field of thermoelectrics. However, the low carrier transport properties and high lattice thermal conductivity of PbS, contributing to its low thermoelectric properties. Conventional doping methods often fail to consider the simultaneous optimization of both aspects
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Multicolor regulation of trivalent lanthanide ions-codoped boggildite-type phosphor toward superb warm white luminescence for white light-emitting diodes Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-06 Jian-Feng Sun, Yonglei Zhao, Kaiyi Yan, Shijun Ji
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The tellurium-induced CoSe polyhedral porous nano-structured materials as high-performance cathodes for rechargeable magnesium batteries Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-06 Runjing Xu, Han Xiao, Ya Chen, Xin Gao, Zhiyuan Zhang, Hongchao Sun, Xiaodong Chen, Chengxin Peng, Lifeng Cui
Rechargeable magnesium batteries (RMBs) are cost-effective and dendrite-free, making them desirable for large-scale applications. Nevertheless, the exploration of high-performance cathodes still remains a great challenge in magnesium battery research. Herein, the CoSe porous polyhedra induced by Te heteroatoms (CoSe/Te) are successfully prepared by two-step metal-organic framework (MOF)-template assisted
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Thermal conductivity reduction in highly-doped cubic SiC by phonon-defect and phonon-electron scattering Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-03 Guijian Pang, Fanchen Meng, Yani Chen, Ankita Katre, Jesús Carrete, Bonny Dongre, Georg K.H. Madsen, Natalio Mingo, Wu Li
We calculate the thermal conductivity () of highly N- and B-doped cubic silicon carbide (SiC) with defect concentrations () from 10 to 10 cm and compare the relative importance of the extrinsic phonon-electron and phonon-defect scattering mechanisms. Whereas phonon-electron scattering dominates over phonon-defect scattering at low up to about 10 cm at room temperature in N-doped SiC, phonon-defect
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Magnetic properties and large low-field cryogenic magnetocaloric effect in the divalent europium borate Eu2B2O5 compound Mater. Today Phys. (IF 11.5) Pub Date : 2024-01-30 Zhaojun Mo, Quanyi Liu, Wexiang Hao, Lingwei Li, Huicai Xie, Qi Fu, Xinqiang Gao, Jun Shen
We herein investigated the divalent europium borate Eu2B2O5 compound regarding its structural, magnetic and magnetocaloric properties by means of experimental determinations and first principal calculations. The Eu2B2O5 compound was found to crystallize in a monoclinic structure (P21/c space group) and order ferromagnetically at ground state. A large cryogenic reversible MCE was observed in the Eu2B2O5
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Achieving visual information encryption employing the asymmetric principle through programmable and challenging-to-clone multicolor-tunable luminescence Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-02 Jingru Wang, Jiaxin Yang, Yanyan Li, Yang Li, Rui Xu, Feng Song
The widespread application of optical encryption materials with difficult imitation, multicolor-tunable emission and simple operation presents a promising strategy for secure communication and authentication of information. Herein, Eu-MOF grafted with coumarin 7 is successfully constructed through self-assembly process and a prismatic three-dimensional hyperbranched structure is formed. At room temperature
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An economic bifunctional electrolyte additive for highly reversible zinc anode Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-02 Chenchen Wei, Yu Zhou, Xiaolong Wang, Huimin Qi, Xiaohui Li, Ting Zou, Wenping Wang, Ze Yang, Ying Yu
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Machine learning as a characterization method for analysis and design of perovskite solar cells Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-02 Yiming Liu, Xinyu Tan, Peng Xiang, Yibo Tu, Tianxiang Shao, Yue Zang, Xiong Li, Wensheng Yan
Device-level characterization is the primary means of testing the performance of a device and identifying the microscale factors that affect its performance. With the accumulation of data on perovskite solar cells (PSCs), machine learning (ML) may become a potential tool for characterizing properties of PSCs. Here, we use ML techniques and 698 sets of rigorously cleaned experimental data to construct
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Accelerating thermal conductivity prediction through machine-learning: Two orders of magnitude reduction in phonon-phonon scattering rates calculation Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-02 Yagyank Srivastava, Ankit Jain
The calculation of phonon-phonon scattering rates is a computational bottleneck in first-principles based phonon thermal conductivity prediction of materials. Here, we report a machine learning approach for phonon scattering rates prediction which is capable of predicting thermal conductivity by employing only 5 % of the total computational cost. We test this approach on more than 200 diverse materials
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Electrostatically self-assembled hierarchical magnetic Co7Fe3@C/Ti3C2Tx nanocomposite for high-efficient microwave absorption Mater. Today Phys. (IF 11.5) Pub Date : 2024-02-02 Huichao Rao, Kai Nan, Wei Wang, Yuankai Zhang, Yan Wang