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Binary metallic carbides belong to a technologically prominent class of materials. We have explored the structural, mechanical, electronic, optical, and some thermophysical properties of XC (X = Nb, Ta, Ti) binary metallic carbides in…

材料科学 · 物理学 2022-09-26 Razu Ahmed , Md. Mahamudujjaman , Md. Asif Afzal , Md. Sajidul Islam , R. S. Islam , S. H. Naqib

Several layered transition metal borides can now be realized by a simple and general fabrication method [Fokwa et al.,Adv. Mater. 2018, 30, 1704181],inspiring our interest to transition metal borides monolayer. Here, we predict a new…

材料科学 · 物理学 2019-11-05 Yipeng An , Shijing Gong , Yusheng Hou , Jie Li , Ruqian Wu , Zhaoyong Jiao , Tianxing Wang , Jutao Jiao

The thermal conductivities of MoS2 and WS2 have been reported by some experimental and theoretical studies, however, the results are different from each other. Here, thermal transport properties of twelve types of single layer transition…

计算物理 · 物理学 2016-12-19 Zhongwei Zhang , Yuee Xie , Yulou Ouyang , Yuanping Chen

Based on density functional theory, we have systematically studied the structural stability, mechanical properties and chemical bonding of the transition metal borides M3B4 (M=Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, and W) for the first time. All…

材料科学 · 物理学 2015-03-09 Naihua Miao , Baisheng Sa , Jian Zhou , Zhimei Sun

Single- and few-layer transition metal dichalcogenides have recently emerged as a new family of layered crystals with great interest, not only from the fundamental point of view, but also because of their potential application in ultrathin…

A large number of novel two-dimensional (2D) materials are constantly discovered and deposed into the databases. Consolidate implementation of machine learning algorithms and density functional theory (DFT) based predictions have allowed…

材料科学 · 物理学 2022-05-03 Andrey A. Kistanov , Stepan A. Shcherbinin , Romain Botella , Artur Davletshin , Wei Cao

The elastic properties of rutile transition metal dioxides XO$_{2}$ (X=Ru, Rh, Os, and Ir) are investigated using first-principles calculations based on density functional theory. Elastic constants, bulk modulus, shear modulus, and Young's…

材料科学 · 物理学 2008-09-25 Yanling Li , Zhi Zeng

The elastic, thermodynamic, electronic, and optical properties of recently discovered and potentially technologically important transition metal boride NbRuB, have been investigated using the density functional formalism. Both generalized…

材料科学 · 物理学 2017-03-21 F. Parvin , S. H. Naqib

We review the thin film growth, chemistry, and physical properties of Group 4-6 transition-metal diboride (TMB2) thin films with AlB2-type crystal structure (Strukturbericht designation C32). Industrial applications are growing rapidly as…

材料科学 · 物理学 2021-12-30 Martin Magnuson , Lars Hultman , Hans Högberg

Since the discovery of MgB2 with Tc=39K, various metal diborides of MB2 have been intensively studied to find possible conventional high-temperature superconductors. A possible 2D structure of the metal diboride has been shown to be in the…

超导电性 · 物理学 2024-12-19 Jakkapat Seeyangnok , Udomsilp Pinsook , Graeme John Ackland

We present a comprehensive first-principles study of the structural and elastic properties of 2H-MX$_2$ transition metal dichalcogenides (TMDs) (M = W, Mo, Ta, Nb; X = S, Se). Using density functional theory with various van der Waals…

材料科学 · 物理学 2025-05-12 S. Azadi , A. Azhar , R. V. Belosludov , T. D. Kühne , M. S. Bahramy

The review presents the results of theoretical and experimental studies of the structure, bonding between atoms, mechanical properties, thermal stability, and oxidation and corrosion resistance of films based on ternary transition metal…

材料科学 · 物理学 2023-05-26 A. A. Onoprienko , V. I. Ivashchenko , V. I. Shevchenko

Two-dimensional (2D) transition metal dichalcogenide (TMD) materials have versatile electronic and optical properties. TMD nanoribbons show interesting properties due to reduced dimensionality, quantum confinement, and edge states. Tang et…

材料科学 · 物理学 2023-06-16 Santosh Neupane , Hong Tang , Adrienn Ruzsinszky

The properties of two-dimensional (2D) materials have been extensively studied and applied in various applications. Our interest is to theoretically investigate the thermal transport and thermoelectric properties of the 2D transition metal…

材料科学 · 物理学 2024-02-16 Radityo Wisesa , Anugrah Azhar , Edi Suprayoga

We present a first--principles density functional theory (DFT) study of transition metal (TM = Ti, Cr, Mn, Fe, Co, Ni) functionalized two--dimensional polyaramid (2DPA) to explore their structural, electronic, and magnetic properties.…

Transition metal dichalcogenides (TMDs) are a branch of two-dimensional materials which in addition to having an easy-to-exfoliate layered structure, also host semiconducting, metallic, superconducting, and topological properties in various…

超导电性 · 物理学 2023-01-25 Suvodeep Paul , Saswata Talukdar , Ravi Shankar Singh , Surajit Saha

We report on syntheses and electron transport properties of polycrystalline samples of diborides (AB2) with different transition metals atoms (A=Zr,Nb,Ta). The temperature dependence of resistivity, \rho(T), and ac susceptibility of these…

材料科学 · 物理学 2009-11-07 Vitaly A. Gasparov , N. S. Sidorov , I. I. Zver'kova , M. P. Kulakov

Transition metal penta-tellurides, ZrTe5 and HfTe5 have been recently drawn a lot of attention due to their fascinating physical properties and for being prominent materials showing topological phase transitions. In this study, we…

Various methods going beyond density-functional theory (DFT), such as DFT+U, hybrid functionals, meta-GGAs, GW, and DFT-embedded dynamical mean field theory (eDMFT), have been developed to describe the electronic structure of correlated…

强关联电子 · 物理学 2020-07-16 Subhasish Mandal , Kristjan Haule , Karin M. Rabe , David Vanderbilt

Transition-metal dichalcogenides (TMDs) are valuable as solid lubricants because of their layered structure, which allows for easy shearing along the basal planes. Using Density Functional Theory (DFT) we conducted a first-principles study…

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