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Related papers: Thermal Conductivity of Double Polymorph Ga2O3 Str…

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We present systematic thermal conductivity measurements of suspended thin graphite ribbons, 234-527 nm thick, using a four-probe 3-omega method. Unlike recent reports of phonon hydrodynamics and exceptionally high thermal conductivity in…

Mesoscale and Nanoscale Physics · Physics 2025-09-16 Wonjae Jeon , Yu Pei , Xun Li , Lucas Lindsay , Sangyeop Lee , Renkun Chen

The electronic and thermal transport properties have been systematically investigated in monolayer C$_4$N$_3$H with first-principles calculations. The intrinsic thermal conductivity of monolayer C$_4$N$_3$H was calculated coupling with…

Materials Science · Physics 2020-06-04 Yelu He , Dingxing Liu , Yingchun Ding , Jianhui Yang , Zhibin Gao

In this paper we report an extensive neutron diffraction investigation at high temperature on the BaCe0.80Y0.20O2.9 proton conducting material. Our results precisely define the structural evolution of the compound as a function of…

Materials Science · Physics 2007-11-19 Lorenzo Malavasi , Clemens Ritter , Gaetano Chiodelli

Since the nature of pairing interactions is manifested in the superconducting gap symmetry, the exact gap structure, particularly any deviation from the simple d_{x^2-y^2} symmetry, would help elucidating the pairing mechanism in high-T_c…

Superconductivity · Physics 2009-11-07 Yoichi Ando , J. Takeya , Yasushi Abe , X. F. Sun , A. N. Lavrov

Anisotropic heat transfer offers promising solutions to the efficient heat dissipation in the realm of electronic device thermal management. However, the fundamental origin of the anisotropy of thermal transport remains mysterious. In this…

Applied Physics · Physics 2024-12-25 Qikun Tian , Qi Yang , An Huang , Bo Peng , Jinbo Zhang , Xiong Zheng , Jian Zhou , Zhenzhen Qin , Guangzhao Qin

By means of first-principles calculations, we investigate the thermal properties of silica as it evolves, under hydrostatic compression, from a stishovite phase into a CaCl$_2$-type structure. We compute the thermal conductivity tensor by…

Materials Science · Physics 2017-11-22 Hugo Aramberri , Riccardo Rurali , Jorge Íñiguez

We measured thermal conductivity, k, thermoelectric power, S, and dc electric conductivity, sigma, of La_{5/8-x}Pr_{x}Ca_{3/8}MnO_{3}, showing an intricate interplay between metallic ferromagnetism (FM) and charge ordering (CO) instability.…

Strongly Correlated Electrons · Physics 2009-10-31 K. H. Kim , M. Uehara , C. Hess , P. A. Sharma , S-W. Cheong

Topological insulators have gapless edge/surface states with novel transport properties. Among these, there are two classes of perfectly conducting channels which are free from backscattering: the edge states of two-dimensional topological…

Mesoscale and Nanoscale Physics · Physics 2012-01-11 Shuichi Murakami , Ryuji Takahashi , O. A. Tretiakov , Ar. Abanov , Jairo Sinova

We investigate the features of charge transport in a novel holographic quantum phase transition (QPT) model with two metallic phases: normal metallic and novel metallic. The scaling behaviors of direct current (DC) resistivity and thermal…

High Energy Physics - Theory · Physics 2023-06-21 Guoyang Fu , Huajie Gong , Peng Liu , Xiao-Mei Kuang , Jian-Pin Wu

The lattice thermal conductivity of the candidate thermoelectric material Mg$_3$Sb$_2$ is studied from first principles, with the inclusion of anharmonic, isotope, and boundary scattering processes, and via an accurate solution of the…

Materials Science · Physics 2018-12-11 Maria Barbara Maccioni , Roberta Farris , Vincenzo Fiorentini

The accurate determination of thermal conductivity $\kappa(T)$ in bulk materials at room temperature and above is crucial for evaluating their compatibility for specific applications. The 3$\omega$ technique is an established methodology…

We report on thermal transport properties in 2 and 3 dimensions interconnected nanowire networks (strings and nodes). The thermal conductivity of these nanostructures decreases in increasing the distance of the nodes, reaching ultra-low…

Mesoscale and Nanoscale Physics · Physics 2018-10-31 Maxime Verdier , David Lacroix , Konstantinos Termentzidis

The cross-plane (across-layers) phonon thermal transport of five diverse, layered semiconductors is investigated by accounting for higher-order four-phonon scattering, phonon renormalization, and multi-channel thermal transport. For…

Materials Science · Physics 2023-11-07 Amey G. Gokhale , Ankit Jain

We analyze the behavior of the thermal conductivity in quasi-two dimensional superconductors with line nodes. Motivated by measurements of the anisotropy between the interplane and intraplane thermal transport in CeIrIn_5 we show that a…

Superconductivity · Physics 2013-05-29 I. Vekhter , A. Vorontsov

The subject of thermal transport at the mesoscopic scale and in low-dimensional systems is interesting for both fundamental research and practical applications. As the first example of truly two-dimensional materials, graphene has…

Materials Science · Physics 2014-06-10 Yong Xu , Zuanyi Li , Wenhui Duan

Thermal conductivity, point contact spectroscopy, angle-resolved photoemission and Raman spectroscopy measurements were performed on BaFe1.9Pt0.1As2 single crystals obtained from the same synthesis batch in order to investigate the…

Nontrivial bulk topological invariants of quantum materials can leave their signatures on charge, thermal and spin transports. In two dimensions, their imprints can be experimentally measured from well-developed multiterminal Hall bar…

Mesoscale and Nanoscale Physics · Physics 2024-05-03 Sanjib Kumar Das , Bitan Roy

The self-heating effect is a severe issue for high-power semiconductor devices, which degrades the electron mobility and saturation velocity, and also affects the device reliability. On applying an ultrafast and high-resolution…

Applied Physics · Physics 2017-11-13 Hong Zhou , Kerry Maize , Jinhyun Noh , Ali Shakouri , Peide D. Ye

DFT and AIMD are used to investigate the structural, stability, electronic, thermal, and optical properties of the quasi-2D C2N2O structure. The structure exhibits thermal and energy stability, signifying robustness under ambient…

Materials Science · Physics 2026-04-30 Hemn. G. H , Nzar. R. Abdullah , Vidar Gudmundsson

Integrating multiple properties in a single system is crucial for the continuous developments in electronic devices. However, some physical properties are mutually exclusive in nature. Here, we report the coexistence of two seemingly…