Studying quantum materials with scanning SQUID microscopy

E Persky, I Sochnikov, B Kalisky - Annual Review of Condensed …, 2022 - annualreviews.org
Electronic correlations give rise to fascinating macroscopic phenomena such as
superconductivity, magnetism, and topological phases of matter. Although these …

Metallicity and superconductivity in doped strontium titanate

C Collignon, X Lin, CW Rischau… - Annual Review of …, 2019 - annualreviews.org
Strontium titanate is a wide-gap semiconductor avoiding a ferroelectric instability thanks to
quantum fluctuations. This proximity leads to strong screening of static Coulomb interaction …

Phonon thermal Hall effect in strontium titanate

X Li, B Fauqué, Z Zhu, K Behnia - Physical review letters, 2020 - APS
It has been known for more than a decade that phonons can produce an off-diagonal
thermal conductivity in the presence of a magnetic field. Recent studies of thermal Hall …

Simple analytical method for determining electrical resistivity and sheet resistance using the van der Pauw procedure

FS Oliveira, RB Cipriano, FT Da Silva, EC Romão… - Scientific reports, 2020 - nature.com
This work reports an analytical method for determining electrical resistivity (ρ) and sheet
resistance (RS) of isotropic conductors. The method is compared with previous numerical …

Thermal transport and phonon hydrodynamics in strontium titanate

V Martelli, JL Jiménez, M Continentino… - Physical review …, 2018 - APS
We present a study of thermal conductivity, κ, in undoped and doped strontium titanate in a
wide temperature range (2–400 K) and detecting different regimes of heat flow. In undoped …

Strain-engineered interaction of quantum polar and superconducting phases

C Herrera, J Cerbin, A Jayakody, K Dunnett… - Physical Review …, 2019 - APS
The pairing mechanism of unconventional superconductivity in strontium titanate is hotly
debated. Here, using a multisensor experimental apparatus with a mechanical strain cell, an …

Heavy nondegenerate electrons in doped strontium titanate

C Collignon, P Bourges, B Fauqué, K Behnia - Physical Review X, 2020 - APS
Room-temperature metallicity of lightly doped SrTiO 3 is puzzling, because the combination
of mobility and the effective mass would imply a mean-free path below the Mott-Ioffe-Regel …

Manipulating the carrier concentration and phase transition via Nb content in SrTiO3

Z Zhang, P Qian, X Yang, B Wu, HL Cai, FM Zhang… - Scientific Reports, 2022 - nature.com
SrTiO3 is a model of the perovskite-like compounds for structural transition which inducing
the intriguing physical properties around the critical phase transition temperature TAFD …

Significantly enhanced superconductivity in monolayer FeSe films on SrTiO3(001) via metallic δ-doping

X Jiao, W Dong, M Shi, H Wang, C Ding… - National Science …, 2024 - academic.oup.com
Superconductivity transition temperature (T c) marks the inception of a macroscopic
quantum phase-coherent paired state in fermionic systems. For 2D superconductivity, the …

Variation in superconducting transition temperature due to tetragonal domains in two-dimensionally doped

H Noad, EM Spanton, KC Nowack, H Inoue, M Kim… - Physical Review B, 2016 - APS
Strontium titanate is a low-temperature, non–Bardeen-Cooper-Schrieffer superconductor
that superconducts to carrier concentrations lower than in any other system and exhibits …