53 citations · 336 across the 18 of their papers we have counts for
15 papers
Polaronic Conductivity in CrGeTe Single Crystals
Yu Liu, Myung-Geun Han, Yongbin Lee +11
Intrinsic, two-dimensional (2D) ferromagnetic semiconductors are an important class of materials for spin-charge conversion applications. CrGeTe retains long-range magn…
Thermoelectricity and electronic correlations enhancement in FeS by slight Se substitution
Yu Liu, Aifeng Wang, V. N. Ivanovski +3
We report thermoelectric studies of FeSSe ( = 0, 0.06) superconducting single crystals that feature high irreversibility fields and critical current density co…
Nanoscale control of the metal-insulator transition at LAO/KTO (110) and LAO/KTO (111) interfaces
Muqing Yu, Changjiang Liu, Dengyu Yang +6
Recent reports of superconductivity at KTaO3 (KTO) (110) and (111) interfaces have sparked intense interest due to the relatively high critical temperature as well as other propert…
High Fermi velocities and small cyclotron masses in LaAlGe
Zhixiang Hu, Qianheng Du, Yu Liu +2
We report quantum oscillation measurements of LaAlGe, a Lorentz-violating type-II Weyl semimetal with tilted Weyl cones. Very small quasiparticle masses and very high Fermi velocit…
Low-Temperature Thermopower in CoSbS
Qianheng Du, Milinda Abeykoon, Yu Liu +2
We report giant thermopower S = 2.5 mV/K in CoSbS single crystals, a material that shows strong high-temperature thermoelectric performance when doped with Ni or Se. Changes of low…
Suppression of Superconductivity and Nematic Order in FeSeS (01, 0.1) Crystals by Anion Height Disorder
Aifeng Wang, Ana Milosavljevic, A. M. Milinda Abeykoon +10
Connections between crystal chemistry and critical temperature have been in the focus of superconductivity, one of the most widely studied phenomena in physics, chemistry and…
Vacancy defect control of colossal thermopower in FeSb2
Qianheng Du, Lijun Wu, Huibo Cao +9
Iron diantimonide is a material with the highest known thermoelectric power. By combining scanning transmission electron microscope study with electronic transport neutron, X-ray s…
Surface Conductivity in Antiferromagnetic Semiconductor CrSb
Qianheng Du, Huixia Fu, Junzhang Ma +4
The contribution of bulk and surface to the electrical resistance along crystallographic \textit{b}- and \textit{c}-axes as a function of crystal thickness gives evidence for a tem…
Room-Temperature Skyrmion Thermopower in Fe3Sn2
Qianheng Du, Myung-Geun Han, Yu Liu +3
We present first room-temperature thermoelectric signature of the skyrmion lattice. This was observed in Fe3Sn2, a Kagome Dirac crystal with massive Dirac fermions that features hi…
Magnetic-field control of topological electronic response near room temperature in correlated Kagome magnets
Yangmu Li, Qi Wang, Lisa DeBeer-Schmitt +13
Strongly correlated Kagome magnets are promising candidates for achieving controllable topological devices owing to the rich interplay between inherent Dirac fermions and correlati…
Anisotropic Correlated Electronic Structure of Colossal Thermopower Marcasite FeSb
A. Chikina, J. -Z. Ma, W. H. Brito +9
Iron antimonide (FeSb) is a mysterious material with peculiar colossal thermopower of about mV/K at 10 K. However, a unified microscopic description of this phenomenon is…
Unusual electronic and vibrational properties in the colossal thermopower material FeSb
C. C. Homes, Q. Du, C. Petrovic +3
The iron antimonide FeSb possesses an extraordinarily high thermoelectric power factor at low temperature, making it a leading candidate for cryogenic thermoelectric cooling de…
Polaronic transport and thermoelectricity in FeCoSbS ( = 0, 0.1, and 0.2)
Yu Liu, Chang-Jong Kang, Eli Stavitski +4
We report a study of Co-doped berthierite FeCoSbS ( = 0, 0.1, and 0.2). The alloy series of FeCoSbS crystallize in an orthorhombic struct…
Large magnetoresistance in type-II Weyl semimetal WP
Aifeng Wang, D. Graf, Yu Liu +4
We report magnetotransport study on type-II Weyl semimetal WP single crystals. Magnetoresistance (MR) exhibits a nonsaturating field dependence (14,300\% at 2 K and 9 T…
Wide temperature span of entropy change in first-order metamagnetic MnCo1-xFexSi
Jianhui Xu, Wenyun Yang, Qianheng Du +9
The crystal structure and magnetic properties of MnCoxFe1-xSi (x=0-0.5) compounds were investigated. With increasing Fe content, the unit cell changes anisotropically and the magne…