Analysis on Dielectric, Thermal, and Mechanical Characteristics of Nickel Boro Phthalate NLO Crystal for Optoelectronic Applications

IF 1.5 4区 材料科学 Q3 CRYSTALLOGRAPHY Crystal Research and Technology Pub Date : 2021-06-19 DOI:10.1002/crat.202000247
M. Divya, P. Malliga, P. Sagayaraj, A. Joseph Arul Pragasam
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引用次数: 3

Abstract

Dielectric, thermal, and mechanical behavior of an efficient nonlinear crystal, nickel boro phthalate (NBP), grown by a slow evaporation solution growth technique, is characterized for optoelectronic applications. Ultraviolet absorption study identifies the lower cutoff wavelength as 281 nm. This low value along with transparency in the visible and infrared regions establishes that NBP is a probable nonlinear material. The frequency and the temperature dependency of dielectric constant and dielectric loss are probed. AC conductivity and activation energy are computed, to examine the semiconducting ability of the crystal. Thermal gravimetric analysis and differential thermal analysis are carried out to determine the decomposition temperature. Mechanical characterization is performed by the Vickers microhardness test. The study reveals that NBP comes under the category of soft material. Mechanical properties such as the elastic stiffness constant, brittleness index, yield strength, and fracture toughness are explored.
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光电用邻苯二甲酸镍NLO晶体介电、热、力学特性分析
通过缓慢蒸发溶液生长技术生长的高效非线性晶体邻苯二甲酸镍(NBP)的介电、热学和力学行为具有光电子应用的特点。紫外吸收研究确定其下限截止波长为281 nm。这个低值以及可见光和红外区的透明度确定NBP可能是一种非线性材料。探讨了介电常数和介电损耗与频率和温度的关系。计算了晶体的交流电导率和活化能,考察了晶体的半导体性能。通过热重分析和差热分析确定了分解温度。力学特性是通过维氏显微硬度测试来完成的。研究表明,NBP属于软质材料。研究了弹性刚度常数、脆性指数、屈服强度和断裂韧性等力学性能。
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来源期刊
自引率
6.70%
发文量
121
审稿时长
1.9 months
期刊介绍: The journal Crystal Research and Technology is a pure online Journal (since 2012). Crystal Research and Technology is an international journal examining all aspects of research within experimental, industrial, and theoretical crystallography. The journal covers the relevant aspects of -crystal growth techniques and phenomena (including bulk growth, thin films) -modern crystalline materials (e.g. smart materials, nanocrystals, quasicrystals, liquid crystals) -industrial crystallisation -application of crystals in materials science, electronics, data storage, and optics -experimental, simulation and theoretical studies of the structural properties of crystals -crystallographic computing
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