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Controlling interlayer excitons in van der Waals heterostructures holds promise for exploring Bose-Einstein condensates and developing novel optoelectronic applications, such as excitonic integrated circuits. Despite intensive studies,…

Mesoscale and Nanoscale Physics · Physics 2024-04-09 Lifu Zhang , Ruihao Ni , Liuxin Gu , Ming Xie , Suji Park , Houk Jang , Takashi Taniguchi , Kenji Watanabe , You Zhou

This work demonstrates a first-principles-based approach to obtaining finite temperature thermal and electronic transport properties which can be employed to model and understand mesoscale structural evolution during electronic, magnetic,…

In search of new prospects for thermoelectric materials, using ab-initio calculations and semi-classical Boltzmann theory, we have systematically investigated the electronic structure and transport properties of 18-valence electron count…

Computational Physics · Physics 2017-12-20 Mohd Zeeshan , Harish K. Singh , Jeroen van den Brink , Hem C. Kandpal

Two-dimensional (2D) metallic systems with intrinsically low lattice thermal conductivity are rare, yet they are of great interest for next-generation energy and electronic technologies. Here, we present a comprehensive first-principles…

Structural, electronic, and transport properties of ScNiSb, ScPdSb, and ScPtSb were investigated from first principles. Electronic band structures derived within the fully relativistic MBJLDA approach were compared with those obtained from…

Materials Science · Physics 2018-06-05 Maciej J. Winiarski , Kaja Bilinska , Kamil Ciesielski , Dariusz Kaczorowski

Two-dimensional (2D) materials may have potential applications in thermoelectric devices. In this work, we systematically investigate the thermoelectric properties of orthorhombic group IV-VI monolayers $\mathrm{AB}$ (A=Ge and Sn; B=S and…

Materials Science · Physics 2017-02-01 San-Dong Guo

The electronic and phonon transport properties of quaternary tetradymite BiSbSeTe2 are investigated using first-principles approach and Boltzmann transport theory. Unlike the binary counterpart Bi2Te3, we obtain a pair of Rashba splitting…

Materials Science · Physics 2018-08-01 Z. Z. Zhou , H. J. Liu , D. D. Fan , B. Y. Zhao , C. Y. Sheng , G. H. Cao , S. Huang

Since the emergence of monolayer graphene as a promising two-dimensional material, many other monolayer and few-layer materials have been investigated extensively. An experimental study of few-layer Si2Te3 was recently reported, showing…

Materials Science · Physics 2016-05-13 Yevgeniy Puzyrev , X. Shen , C. Combs , S. T. Pantelides

In this paper, the electrical transport, thermal transport, and thermoelectric properties of three new Janus STe$_{2}$, SeTe$_{2}$, and Se$_{2}$Te monolayers are systematically studied by first-principles calculations, as well as the…

Materials Science · Physics 2022-11-21 Shao-Bo Chen , San-Dong Guo , Bing Lv , Mei Xu , Xiang-Rong Chen , Hua-Yun Geng

Ultrathin films of topological Dirac semimetal, Na$_3$Bi, has recently been revealed as an unusual electronic materials with field-tunable topological phases. Here we investigate the electronic and transport properties of ultrathin Na$_3$Bi…

Mesoscale and Nanoscale Physics · Physics 2020-05-14 Liemao Cao , Guanghui Zhou , Qingyun Wu , Shengyuan A. Yang , Hui Ying Yang , Yee Sin Ang , L. K. Ang

Monolayer WSe2 is a two dimensional (2D) semiconductor with a direct bandgap, and it has been recently explored as a promising material for electronics and optoelectronics. Low field effect mobility is the main constraint preventing WSe2…

Materials Science · Physics 2016-05-02 Bilu Liu , Yuqiang Ma , Anyi Zhang , Liang Chen , Ahmad N. Abbas , Yihang Liu , Chenfei Shen , Haochuan Wan , Chongwu Zhou

Over the past few years, there has been a growing interest in layered transition metal dichalcogenides (TMD) such as molybdenum disulfide (MoS2). Most studies so far have focused on the electronic and optoelectronic properties of…

Mesoscale and Nanoscale Physics · Physics 2016-10-03 Morteza Kayyalha , Jesse Maassen , Mark Lundstrom , Li Shi , Yong P. Chen

We investigate the low-temperature electrical and thermal transport properties in atomically precise metallic heterostructures involving strongly-correlated electron systems. The model of the Mott-insulator/ band-insulator superlattice was…

Strongly Correlated Electrons · Physics 2008-06-19 Andreas Ruegg , Sebastian Pilgram , Manfred Sigrist

Two-dimensional ferroelectric materials are beneficial for power-efficient memory devices and transistor applications. Here, we predict out-of-plane ferroelectricity in a new family of buckled metal oxide (MO; M: Ge, Sn, Pb) monolayers with…

Applied Physics · Physics 2024-10-28 Ateeb Naseer , Musaib Rafiq , Somnath Bhowmick , Amit Agarwal , Yogesh Singh Chauhan

We use semiclassical Boltzmann transport theory to analytically study the electronic contribution to the linear thermoelectric response of anisotropic two-dimensional materials subjected to a perpendicular magnetic field. Conventional…

Mesoscale and Nanoscale Physics · Physics 2025-07-15 Maryam Nezafat , Shahin Barati , Saeed H. Abedinpour

We investigate the structural, mechanical, and thermoelectric properties of lead-free double halide perovskites Cs2TeX6 (X = Cl, Br, I) using first-principles calculations and semiclassical Boltzmann transport theory. The HSE06 band gap is…

Materials Science · Physics 2026-02-03 Heena , Vineet Kumar Pandey , Saanvi Marethiya , Ambesh Dixit , Ajay Singh Verma , K. C. Bhamu

Thermoelectrics are a promising class of materials for renewable energy owing to their capability to generate electricity from waste heat, with their performance being governed by a competition between charge and thermal transport. A…

The stability, electronic structure, optical and thermoelectric properties of Te-doped BaTiO3 are investigated by first-principal calculation based on the density functional theory and Boltzmann transport theory implemented in WIEN2K and…

Materials Science · Physics 2022-02-16 Meryem Ziati , Hamid Ez-Zahraouy

We demonstrate a first-principles method to study magnetotransport in materials by solving the Boltzmann transport equation (BTE) in the presence of an external magnetic field. Our approach employs ab initio electron-phonon interactions and…

Materials Science · Physics 2021-04-14 Dhruv C. Desai , Bahdan Zviazhynski , Jin-Jian Zhou , Marco Bernardi

The electronic structure and thermoelectric properties of ZrRuTe-based Half-Heusler compounds are studied using density functional theory (DFT) and Boltzmann transport formalism. Based on rigorous computations of electron relaxation time…

Materials Science · Physics 2020-03-13 Sonu Prasad Keshri , Amal Medhi