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Homoepitaxial diamond layers doped with boron in the 10^20-10^21 /cm3 range are shown to be type II superconductors with sharp transitions (~0.2K) at temperatures increasing from 0 to 2.1 K with boron contents. The critical concentration…

Ever since the high thermal conductivity in cubic boron arsenide (c-BAs) was predicted theoretically by Lindsay et. al in 2013, countless studies have zeroed in on this particular material. Most recently, c-BAs has been confirmed…

Materials Science · Physics 2018-11-15 Charles Shi , Xuan Luo

Rutile germanium dioxide (r-GeO$_2$) is a recently predicted ultrawide-band-gap semiconductor with potential applications in high-power electronic devices, for which the carrier mobility is an important material parameter that controls the…

Materials Science · Physics 2020-11-10 Kyle Bushick , Kelsey A. Mengle , Sieun Chae , Emmanouil Kioupakis

Kagome-lattice crystal is crucial in quantum materials research, exhibiting unique transport properties due to its rich band structure and the presence of nodal lines and rings. Here, we investigate the electronic transport properties and…

Owing to extremely large band gap of 5.5 eV and high thermal conductivity, diamond is recognized as the most important semiconductor. The superconductivity of polycrystalline diamond has always been reported, but there are also many…

Superconductivity · Physics 2024-03-04 Shisheng Lin , Xutao Yu , Minhui Yang , Huikai Zhong , Jiarui Guo

Recently, electrically conducting heterointerfaces between dissimilar band-insulators (such as lanthanum aluminate and strontium titanate) have attracted considerable research interest. Charge transport has been thoroughly explored and…

Through first-principles calculations, the phonon-limited transport properties of cubic boron-V compounds (BP, BAs and BSb) are studied. We find that the high optical phonon frequency in these compounds leads to the substantial suppression…

Materials Science · Physics 2018-09-26 Te-Huan Liu , Bai Song , Laureen Meroueh , Zhiwei Ding , Qichen Song , Jiawei Zhou , Mingda Li , Gang Chen

The transport and thermal properties of HgTe colloidal quantum dot films with cut-off wavelengths in the mid-IR are investigated. The cut-off wavelength of this material can be tuned over the 3-5 \mu m range, which makes it a promising…

Mesoscale and Nanoscale Physics · Physics 2012-04-13 Emmanuel Lhuillier , Sean Keuleyan , Philippe Guyot-Sionnest

Two dimensional hard core bosons suffer strong scattering in the high temperature resistive state at half filling. The dynamical conductivity is calculated using non perturbative tools such as continued fractions, series expansions and…

Strongly Correlated Electrons · Physics 2010-02-18 Netanel H. Lindner , Assa Auerbach

Superconducting high-entropy alloys (HEAs) are a newly burgeoning field of unconventional superconductors and raise intriguing questions about the presence of superconductivity in highly disordered systems, which lack regular phonon modes.…

Superconductivity · Physics 2023-05-16 K. Motla , Arushi , S. Jangid , P. Meena , R. K. Kushwaha , R. P. Singh

Hexagonal boron nitride is a wide bandgap semiconductor with a very high thermal and chemical stability often used in devices operating under extreme conditions. The growth of high-purity crystals has recently revealed the potential of this…

Materials Science · Physics 2016-05-04 G. Cassabois , P. Valvin , B. Gil

We investigated transport, magnetotransport, and broadband optical properties of the half-Heusler compound YbPtBi. Hall measurements evidence two types of charge carriers: highly mobile electrons with a temperature-dependent concentration…

Strongly Correlated Electrons · Physics 2017-04-11 M. B. Schilling , A. Löhle , D. Neubauer , C. Shekhar , C. Felser , M. Dressel , A. V. Pronin

In 2004 the discovery of superconductivity in heavily boron-doped diamond (C:B) led to an increasing interest in the superconducting phases of wide-gap semiconductors. Subsequently superconductivity was found in heavily boron-doped cubic…

Superconductivity · Physics 2009-11-13 M. Kriener , T. Muranaka , Z. -A. Ren , J. Kato , J. Akimitsu , Y. Maeno

We report the observation of ambipolar transport in field-effect transistors fabricated on single crystals of Copper- and Iron-Phthalocyanine, using gold as a high work-function metal for the fabrication of source and drain electrodes. In…

Other Condensed Matter · Physics 2009-11-11 R. W. I. de Boer , A. F. Stassen , M. F. Craciun , C. L. Mulder , A. Molinari , S. Rogge , A. F. Morpurgo

High entropy alloys (HEAs) are the new class of materials with an attractive combination of tunable mechanical and physicochemical properties. They crystallize mainly in cubic structures, however, for practical applications, HEAs with…

In this work, we investigate the thermal and electrical properties of oxygen-functionalized M2CO2 (M = Ti, Zr, Hf) MXenes using first-principles calculations. Hf2CO2 is found to exhibit a thermal conductivity better than MoS2 and…

Materials Science · Physics 2015-10-29 Xian-Hu Zha , Qing Huang , Jian He , Heming He , Junyi Zhai , Yue Wu , Joseph S. Francisco , Shiyu Du

Engineering materials with high thermal conductivity are of fundamental interest for efficiently dissipating heat in micro/nanoelectronics. Using first principles computations we report an ultra-high thermal conductivity of 2090 Wm-1K-1…

Materials Science · Physics 2021-07-12 Rajmohan Muthaiah , Jivtesh Garg

A sp2-sp3 hybrid carbon allotrope named HSH-carbon is proposed by the first-principles calculations. The structure of HSH-carbon can be regarded as a template polymerization of [1.1.1]propellane molecules in a hexagonal lattice, as well as,…

Materials Science · Physics 2022-07-26 Jia-Qi Liu , Qian Gao , Zhen-Peng Hu

High thermal conductivity electronic materials are critical components for high-performance electronic and photonic devices as either active functional materials or thermal management materials. We report an isotropic high thermal…

In strongly correlated electronic systems, Coulomb interactions frequently manifest through emergent electronic orders that spontaneously break rotational symmetry. Understanding how such symmetry breaking intertwines with other collective…

Mesoscale and Nanoscale Physics · Physics 2026-01-07 Peiyu Qin , Hai-Tian Wu , Ron Q. Nguyen , Erin Morissette , Naiyuan J. Zhang , K. Watanabe , T. Taniguchi , J. I. A. Li