Anisotropic Elasticity, Spin-Orbit Coupling, and Topological Properties of ZrTe2 and NiTe2: A Comparative Study for Spintronic and Nanoscale Applications.

IF 4.3 3区 材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY Nanomaterials Pub Date : 2025-01-20 DOI:10.3390/nano15020148
Yasaman Fazeli, Zahra Nourbakhsh, Shahram Yalameha, Daryoosh Vashaee
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Abstract

The present work investigates the interfacial and atomic layer-dependent mechanical properties, SOC-entailing phonon band structure, and comprehensive electron-topological-elastic integration of ZrTe2 and NiTe2. The anisotropy of Young's modulus, Poisson's ratio, and shear modulus are analyzed using density functional theory with the TB-mBJ approximation. NiTe2 has higher mechanical property values and greater anisotropy than ZrTe2. Phonon dispersion analysis with SOC effects predicts the dynamic stability of both compounds. Thus, the current research unifies electronic band structure analysis, topological characterization, and elastic property calculation to reveal how these transition metal dichalcogenides are influenced by their structural, electronic, and mechanical properties. The results obtained in this work can be used in the further development of spintronic and nanoelectronic devices.

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ZrTe2和NiTe2的各向异性弹性、自旋轨道耦合和拓扑性质:自旋电子和纳米级应用的比较研究。
本工作研究了ZrTe2和NiTe2的界面和原子层相关力学性能,soc相关声子带结构以及全面的电子拓扑弹性集成。利用TB-mBJ近似的密度泛函理论分析了杨氏模量、泊松比和剪切模量的各向异性。与ZrTe2相比,NiTe2具有更高的力学性能值和更大的各向异性。声子色散分析与SOC效应预测了两种化合物的动态稳定性。因此,目前的研究将电子能带结构分析、拓扑表征和弹性性能计算结合起来,揭示这些过渡金属二硫族化合物是如何受到其结构、电子和力学性能的影响的。所得结果可用于自旋电子和纳米电子器件的进一步开发。
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来源期刊
Nanomaterials
Nanomaterials NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
8.50
自引率
9.40%
发文量
3841
审稿时长
14.22 days
期刊介绍: Nanomaterials (ISSN 2076-4991) is an international and interdisciplinary scholarly open access journal. It publishes reviews, regular research papers, communications, and short notes that are relevant to any field of study that involves nanomaterials, with respect to their science and application. Thus, theoretical and experimental articles will be accepted, along with articles that deal with the synthesis and use of nanomaterials. Articles that synthesize information from multiple fields, and which place discoveries within a broader context, will be preferred. There is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental or methodical details, or both, must be provided for research articles. Computed data or files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material. Nanomaterials is dedicated to a high scientific standard. All manuscripts undergo a rigorous reviewing process and decisions are based on the recommendations of independent reviewers.
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