Unconventional superconductivity in heavy-fermion compounds

BD White, JD Thompson, MB Maple - Physica C: superconductivity and its …, 2015 - Elsevier
Over the past 35 years, research on unconventional superconductivity in heavy-fermion
systems has evolved from the surprising observations of unprecedented superconducting …

Incommensurate Spin Fluctuations in the Spin-Triplet Superconductor Candidate

C Duan, K Sasmal, MB Maple, A Podlesnyak, JX Zhu… - Physical Review Letters, 2020 - APS
Spin-triplet superconductors are of extensive current interest because they can host
topological state and Majorana fermions important for quantum computation. The uranium …

Fe substitution in : Singlet magnetism in an extended Doniach phase diagram

A Marino, DS Christovam, CF Chang, J Falke, CY Kuo… - Physical Review B, 2023 - APS
The application of pressure as well as the successive substitution of Ru with Fe in the
hidden order (HO) compound URu 2 Si 2 leads to the formation of the large-moment …

Analogy Between the “Hidden Order” and the Orbital Antiferromagnetism in

HH Kung, S Ran, N Kanchanavatee, V Krapivin, A Lee… - Physical review …, 2016 - APS
We study URu 2-x Fe x Si 2, in which two types of staggered phases compete at low
temperature as the iron concentration x is varied: the nonmagnetic “hidden order”(HO) …

Phase diagram and thermal expansion measurements on the system URu2−xFexSi2

S Ran, CT Wolowiec, I Jeon, N Pouse… - Proceedings of the …, 2016 - National Acad Sciences
Thermal expansion, electrical resistivity, magnetization, and specific heat measurements
were performed on URu2− x Fe x Si2 single crystals for various values of Fe concentration x …

Chemical pressure tuning of via isoelectronic substitution of Ru with Fe

P Das, N Kanchanavatee, JS Helton, K Huang… - Physical Review B, 2015 - APS
We have used specific heat and neutron diffraction measurements on single crystals of URu
2− x Fe x Si 2 for Fe concentrations x≤ 0.7 to establish that chemical substitution of Ru with …

Antiferromagnetism and hidden order in isoelectronic doping of

MN Wilson, TJ Williams, YP Cai, AM Hallas, T Medina… - Physical Review B, 2016 - APS
We present muon spin rotation (μ SR) and susceptibility measurements on single crystals of
isoelectronically doped URu 2− x T x Si 2 (T= Fe, Os) for doping levels up to 50%. Zero field …

Isoelectronic perturbations to f-d-electron hybridization and the enhancement of hidden order in URu2Si2

CT Wolowiec, N Kanchanavatee… - Proceedings of the …, 2021 - National Acad Sciences
Electrical resistivity measurements were performed on single crystals of URu2–x Os x Si2 up
to x= 0.28 under hydrostatic pressure up to P= 2 GPa. As the Os concentration, x, is …

Unfolding the physics of URu2Si2 through silicon to phosphorus substitution

A Gallagher, KW Chen, CM Moir, SK Cary… - Nature …, 2016 - nature.com
The heavy fermion intermetallic compound URu2Si2 exhibits a hidden-order phase below
the temperature of 17.5 K, which supports both anomalous metallic behavior and …

Evolution of critical pressure with increasing Fe substitution in the heavy-fermion system

CT Wolowiec, N Kanchanavatee, K Huang, S Ran… - Physical Review B, 2016 - APS
Measurements of electrical resistivity, ρ (T), were performed under quasihydrostatic pressure
up to P∼ 2.2 GPa to determine the pressure dependence of the so-called hidden order (HO) …