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Related papers: Thermal Conductivity of Double Polymorph Ga2O3 Str…

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We present thermal conductivity data on single crystals of YAlO3 and YbAlO3 for temperatures between 2 K and 300 K and the heat current along b and c. Both materials are very good thermal conductors in the investigated temperature range.…

Graphene exhibits extraordinary electronic and mechanical properties, and extremely high thermal conductivity. Being a very stable atomically thick membrane that can be suspended between two leads, graphene provides a perfect test platform…

Features of thermal transport in multilayered porous silicon nanostructures are considered. Such nanostructures were fabricated by electrochemical etching of monocrystalline Si substrates by applying periodically changed current density.…

A polycrystalline sample of the MgB_2 superconductor was investigated by measurements of the electrical resistivity, the thermopower and the thermal conductivity in the temperature range between 1.8K and 300K in zero magnetic field. The…

The perovskite BaBiO$_3$ crystallizes in a cubic structure and undergoes structural transitions toward lower symmetry phases upon cooling. The two low-temperature monoclinic phases are insulating, and the origin of this unexpected…

Other Condensed Matter · Physics 2024-01-12 A. Henriques , D. M. N. Oliveira , M. Baksi , M. Naveed , W. H. Brito , J. Larrea-Jimenéz , D. Kumah , S. Wirth , V. Martelli

We have developed a transient thermoreflectance technique using picosecond pulsed and cw laser to study thermal conductivity and interface conductance in both thin-films and bulk materials. A real time-resolved system observes a thermal…

Materials Science · Physics 2021-08-27 Jihoon Jeong , Xianghai Meng , Ann Kathryn Rockwell , Seth R Bank , Wen-Pin Hsieh , Jung-fu Lin , Yaguo Wang

Over the last decade, progress in wide bandgap, III-V materials systems based on gallium nitride (GaN) has been a major driver in the realization of high power and high frequency electronic devices. Since the highly conductive,…

Nonreciprocal transport phenomena indicate that the forward and backward flows differ, and are attributed to broken inversion symmetry. In this paper, we study the nonreciprocity of a thermal and thermoelectric transport of electronic…

Mesoscale and Nanoscale Physics · Physics 2019-03-13 Ryota Nakai , Naoto Nagaosa

We have measured the thermal conductivity tensor of a twinned YBa$_2$Cu$_3$O$_{7-x}$ single crystal as a function of angle $\theta$ between the magnetic field applied parallel to the CuO$_2$ planes and the heat current direction, at…

Superconductivity · Physics 2016-08-16 Roberto Ocaña , Pablo Esquinazi

In the presence of external magnetic field, the Kitaev model could either hosts gapped topological anyon or gapless Majorana fermions. In $\alpha$-RuCl$_3$, the gapped and gapless cases are only separated by a thirty-degree rotation of the…

Strongly Correlated Electrons · Physics 2023-10-09 Heda Zhang , Hu Miao , Thomas Z Ward , David G Mandrus , Stephen E Nagler , Michael A McGuire , Jiaqiang Yan

The thermal conductivity, $\kappa$, of the heavy fermion superconductor UPt$_3$ was measured down to T$_c$/10. The absence of a linear term in the temperature dependence as T$\rightarrow$0 strongly suggests there are no zero energy…

Condensed Matter · Physics 2008-02-03 Benoit Lussier , Brett Ellman , Louis Taillefer

Emergent phenomena take place in symmetry-breaking systems, notably the recently discovered two-dimensional electron gas and its tunable superconductivities near the KTaO3 interfaces. Here, we synthesized perovskite Ca0.5TaO3 films along…

Recently, $\mathrm{BaSn_2}$ is predicted to be a strong topological insulator by the first-principle calculations. It is well known that topological insulator has a close connection to thermoelectric material, such as $\mathrm{Bi_2Te_3}$…

Materials Science · Physics 2016-12-21 San-Dong Guo , Liang Qiu

In this work, we study the thermal energy transport properties of twin graphene, which has been introduced recently as a new two-dimensional carbon nano structure. The thermal conductivity is investigated using non-equilibrium molecular…

Computational Physics · Physics 2020-12-30 Fatemeh Rezaee , Farrokh Yousefi , Farhad Khoeini

Understanding the thermal conductivity of chromium doped V2O3 is crucial for optimizing the design of selectors for memory and neuromorphic devices. We utilized the time-domain thermoreflectance technique to measure the thermal conductivity…

Strongly Correlated Electrons · Physics 2024-09-18 Johannes Mohr , Kiumars Aryana , Md. Rafiqul Islam , Dirk J. Wouters , Rainer Waser , Patrick E. Hopkins , Joyeeta Nag , Daniel Bedau

In this study, we systematically investigate the thermal and electronic transport properties of two-dimensional PbSe/PbTe monolayer heterostructure by combining first-principles calculations, Boltzmann transport theory, and machine learning…

Materials Science · Physics 2026-02-27 Ruihao Tan , Kaiwang Zhang , Yue-Wen Fang

Atomically thin materials such as graphene and semiconducting transition metal dichalcogenides have attracted extensive interest in recent years, motivating investigation into multiple properties. In this work, we used the opto thermal…

Materials Science · Physics 2021-03-09 Elham Easy , Yuan Gao , Yingtao Wang , Dingkai Yan , Seyed M. Goushehgir , Eui-Hyeok Yang , Baoxing Xu , Xian Zhang

Toward measuring the thermal properties of exfoliated atomically thin materials, we demonstrate simultaneous measurements of the thermal conductivity and specific heat in suspended membranes. We use the 3{\omega} technique applied to…

Materials Science · Physics 2026-04-28 Yiwei Le , Erdong Song , Jason Li , Erik A. Henriksen

Graphene, in addition to its unique electronic and optical properties, revealed unusually high thermal conductivity. The fact that thermal conductivity of large enough graphene sheets should be higher than that of basal planes of bulk…

We present new measurements of the thermal conductivity of UPt3 down to very low temperatures (16mK) and under magnetic fields (up to 4 T) which cover all the superconducting phases of UPt3. The measurements in zero field are compared with…

Strongly Correlated Electrons · Physics 2009-10-30 H. Suderow , J. P. Brison , A. Huxley , J. Flouquet
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