Metamagnetic multiband Hall effect in Ising antiferromagnet ErGa2

T Kurumaji, S Fang, L Ye, S Kitou… - Proceedings of the …, 2024‏ - pnas.org
Frustrated rare-earth-based intermetallics provide a promising platform for emergent
magnetotransport properties through exchange coupling between conduction electrons and …

Extreme magnetoresistance at high-mobility oxide heterointerfaces with dynamic defect tunability

DV Christensen, TS Steegemans, T D. Pomar… - Nature …, 2024‏ - nature.com
Magnetic field-induced changes in the electrical resistance of materials reveal insights into
the fundamental properties governing their electronic and magnetic behavior. Various …

Mesoscopic fluctuating domains in strontium titanate

B Fauqué, P Bourges, A Subedi, K Behnia, B Baptiste… - Physical Review B, 2022‏ - APS
Spatial correlations between atoms can generate a depletion in the energy dispersion of
acoustic phonons. Two well-known examples are rotons in superfluid helium and the Kohn …

Theory of superconductivity mediated by Rashba coupling in incipient ferroelectrics

MN Gastiasoro, ME Temperini, P Barone, J Lorenzana - Physical Review B, 2022‏ - APS
Experimental evidence suggests that superconductivity in SrTiO 3 is mediated by a soft
transverse ferroelectric mode which, according to conventional theories, has negligible …

Phonon drag thermal Hall effect in metallic strontium titanate

S Jiang, X Li, B Fauqué, K Behnia - … of the National Academy of Sciences, 2022‏ - pnas.org
SrTiO3, a quantum paralectric, displays a detectable phonon thermal Hall effect (THE). Here,
we show that the amplitude of the THE is extremely sensitive to stoichiometry. It drastically …

-Square Dependence of the Electronic Thermal Resistivity of Metallic Strontium Titanate

S Jiang, B Fauqué, K Behnia - Physical Review Letters, 2023‏ - APS
The temperature dependence of the phase space for electron-electron (ee) collisions leads
to a T-square contribution to electrical resistivity of metals. Umklapp scattering is identified …

Disorder-induced linear magnetoresistance in / heterostructures

KH Gao, T Lin, XR Ma, QL Li, ZQ Li - Physical Review B, 2024‏ - APS
An unsaturated linear magnetoresistance (LMR) has attracted wide attention because of
potential applications and fundamental interest. By controlling growth temperature, we …

Electronic band sculpted by oxygen vacancies and indispensable for dilute superconductivity

B Fauqué, C Collignon, H Yoon, Ravi, X Lin… - Physical Review …, 2023‏ - APS
Dilute superconductivity survives in bulk strontium titanate when the Fermi temperature falls
well below the Debye temperature. Here, we show that the onset of the superconducting …

Anisotropic magnetoresistance and planar Hall effect in type-II Dirac semimetal PtTe2

J Guo, Z Luo, J Liao, Y Nie, Q **a, R **ong… - Journal of Applied …, 2021‏ - pubs.aip.org
The experimental realization of topological semimetals in the past decade has brought them
to the new frontier of condensed matter research. In this paper, we study the angle …

Negative transverse magnetoresistance due to the negative off-diagonal mass in linear dispersion materials

Y Awashima, Y Fuseya - Journal of Physics: Condensed Matter, 2023‏ - iopscience.iop.org
This study calculated the magnetoresistance (MR) in the Dirac electron system, Dresselhaus–
Kip–Kittel (DKK) model, and nodal-line semimetals based on the semiclassical Boltzmann …