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Balanced electron and phonon heat transport in metallic -TaN
Sungyeb Jung, Hongze Li, Yudan Li +6
Most materials with high thermal conductivity belong to one of two classes: metals, where heat is carried predominantly by electrons, and insulators, where heat transport is domina…
Unexpected type-II multiferroic phase in GdMnO3 under high magnetic fields
Ming Yang, Jun Chen, Junfeng Wang +6
Perovskite manganites with small A-site ions, as the first and canonical branch of type-II multiferroics, are ideal systems to exhibit magnetism-induced ferroelectricity. Despite t…
Lattice-induced spin dynamics in Dirac magnet CoTiO3
Andrey Baydin, Jiaming Luo, Zhiren He +8
Spin-lattice coupling is crucial for understanding the spin transport and dynamics for spintronics and magnonics applications. Recently, cobalt titanate (CoTiO3), an easy-plane ant…
Dimer rattling mode induced low thermal conductivity in an excellent acoustic conductor
Ji Qi, Baojuan Dong, Zhe Zhang +19
A solid with larger sound speeds exhibits higher lattice thermal conductivity (k_{lat}). Diamond is a prominent instance where its mean sound speed is 14400 m s-1 and k_{lat} is 23…
Electronic structure and magnetic exchange interactions of Cr-based van der Waals ferromagnets. A comparative study between CrBr3 and Cr2Ge2Te6
Adolfo O. Fumega, S. Blanco-Canosa, H. Babu-Vasili +3
Low dimensional magnetism has been powerfully boosted as a promising candidate for numerous applications. The stability of the long-range magnetic order is directly dependent on th…
Thermal expansion coefficient and lattice anharmonicity of cubic boron arsenide
Xi Chen, Chunhua Li, Fei Tian +6
Recent measurements of an unusual high thermal conductivity of around 1000 W m-1 K-1 at room temperature in cubic boron arsenide (BAs) confirm predictions from theory and suggest p…
Synthesis of clathrate cerium superhydride CeH9 below 100 GPa with atomic hydrogen sublattice
Nilesh P. Salke, M. Mahdi Davari Esfahani, Youjun Zhang +7
Hydrogen-rich superhydrides are believed to be very promising high-Tc superconductors as they are expected to mimic characteristics of metallic hydrogen. Recent experiments discove…
Exploring the energy landscape of resistive switching in antiferromagnetic Sr(3)Ir(2)O(7)
Morgan Williamson, Shida Shen, Gang Cao +3
We study the resistive switching triggered by an applied electrical bias in antiferromagnetic Mott insulator Sr(3)Ir(2)O(7). The switching was previously associated with an electri…