Keyuan Ma

activity

20242026

most citedDiscovery of the Type-II Superconductor Ta

_{4}

_{2}

_{1 - δ}

with a High Upper Critical Field

2 citations · 4 across the 6 of their papers we have counts for

collaborators

Showing cond-mat.supr-conShow all

4 papers · 1 filter

cond-mat.supr-con2026

Structure, Composition, and High-Field Superconductivity in Metal-Rich $η$ -Carbide-Type Compounds

Manuele Balestra, KeYuan Ma, Harald O. Jeschke +1

$η$ -Carbide-type compounds have recently emerged as a diverse class of materials in the study of superconductivity. These phases contribute to a growing family of metal-rich…

cond-mat.supr-con2025★ 2 cited

Discovery of the Type-II Superconductor Ta $_{4}$ Rh $_{2}$ C $_{1 - δ}$ with a High Upper Critical Field

KeYuan Ma, Sara López-Paz, Karolina Gornicka +3

We report on the discovery of superconductivity in the previously unknown compound Ta $_{4}$ Rh $_{2}$ C $_{1 - δ}$ . Ta $_{4}$ Rh $_{2}$ C $_{1 - δ}$ crystallizes in the $η$ -carbide structure type, in t…

cond-mat.supr-con2025★ 2 cited

Oxygen-isotope effect on density wave transitions in La $_{3}$ Ni $_{2}$ O $_{7}$

Rustem Khasanov, Vahid Sazgari, Igor Plokhikh +11

TThe isotope effect is a powerful probe of electron-phonon interactions in solid-state systems, offering key insights into how atomic mass influences emergent quantum states. Here,…

cond-mat.supr-con2024

Ti4Ir2O a time-reversal-invariant fully gapped unconventional superconductor

Debarchan Das, KeYuan Ma, Jan Jaroszynski +4

Here we report muon spin rotation (muSR) experiments on the temperature and field dependence of the effective magnetic penetration depth (lambda) in the eta-carbide-type suboxide T…

Structure, Composition, and High-Field Superconductivity in Metal-Rich η-Carbide-Type Compounds

Discovery of the Type-II Superconductor Ta4​Rh2​C1−δ​ with a High Upper Critical Field

Oxygen-isotope effect on density wave transitions in La3​Ni2​O7​

Ti4Ir2O a time-reversal-invariant fully gapped unconventional superconductor

Structure, Composition, and High-Field Superconductivity in Metal-Rich $η$ -Carbide-Type Compounds

Discovery of the Type-II Superconductor Ta $_{4}$ Rh $_{2}$ C $_{1 - δ}$ with a High Upper Critical Field

Oxygen-isotope effect on density wave transitions in La $_{3}$ Ni $_{2}$ O $_{7}$