In this paper, we have examined the formation of the imidazole glutarate adduct by protonation-deprotonation between imidazole and glutaric acid using a direct precipitation method within a short period. Following that, we have succeeded in growing imidazolium glutarate (IMGA) single crystaldirectly from synthesized material and we have also grown IMGA single crystal from the melt methodusing the vertical Bridgman technique for the first time in literature. A special Bridgman furnace was constructed with a slight modification in the winding section for this crystal growth. Crystal structure, phase purity, and growth plane were analyzed for the grown crystal from both single and powder XRD analysis. Functional groups were verified after the growth using FTIR transmittance analysis. The optical homogeneity and growth mechanism were scrutinized by birefringence interferogram and chemical etching studies, respectively. The grown IMGA has 80 % transparency in the entire visible region. The cut-off wavelength of the grown crystal is 235 nm, and the optical band gap energy of IMGA was found to be 5.26 eV. The photocurrent study reveals that IMGA has a negative photoconductivity nature. Third-order nonlinear parameters were found by the Z-scan technique. IMGA has a self-defocusing nature, negative non-linearity, and saturated absorption properties. The calculated χ value is 2.045 x 10 esu.

中文翻译：

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快速形成咪唑戊二酸 (IMGA) 化合物并通过改进的垂直布里奇曼技术研究其单晶生长用于光限幅应用

在本文中，我们利用直接沉淀法在短时间内研究了咪唑与戊二酸之间通过质子化-去质子化形成咪唑戊二酸酯加合物。此后，我们成功地直接从合成材料中生长了咪唑戊二酸（IMGA）单晶，并且在文献中首次使用垂直布里奇曼技术通过熔融法生长了IMGA单晶。为了晶体生长，建造了一个特殊的布里奇曼炉，对缠绕部分进行了轻微修改。通过单晶和粉末 XRD 分析来分析生长晶体的晶体结构、相纯度和生长平面。生长后使用 FTIR 透射率分析验证官能团。分别通过双折射干涉图和化学蚀刻研究仔细检查了光学均匀性和生长机制。生长的 IMGA 在整个可见光区域具有 80% 的透明度。生长晶体的截止波长为235 nm，IMGA的光学带隙能为5.26 eV。光电流研究表明IMGA具有负光电导性质。通过 Z 扫描技术找到了三阶非线性参数。 IMGA 具有自散焦性质、负非线性和饱和吸收特性。计算得出的 χ 值为 2.045 x 10 esu。