Group-theoretical classification of multipole order: Emergent responses and candidate materials

H Watanabe, Y Yanase - Physical Review B, 2018 - APS
The multipole moment is an established concept of electrons in solids. Entanglement of spin,
orbital, and sublattice degrees of freedom is described by the multipole moment, and …

Nonlinear spin Hall effect in -symmetric collinear magnets

S Hayami, M Yatsushiro, H Kusunose - Physical Review B, 2022 - APS
We theoretically investigate a nonlinear spin Hall effect in PT-symmetric antiferromagnetic
metals, which serve as an efficient spin current generator. We elucidate that an emergent …

Symmetry analysis of current-induced switching of antiferromagnets

H Watanabe, Y Yanase - Physical Review B, 2018 - APS
Antiferromagnets are robust to external electric and magnetic fields, and hence are
seemingly uncontrollable. Recent studies, however, realized the electrical manipulations of …

First-order antiferromagnetic transitions of SrMn2P2 and CaMn2P2 single crystals containing corrugated-honeycomb Mn sublattices

NS Sangeetha, S Pakhira, QP Ding… - Proceedings of the …, 2021 - National Acad Sciences
SrMn2P2 and CaMn2P2 are insulators that adopt the trigonal CaAl2Si2-type structure
containing corrugated Mn honeycomb layers. Magnetic susceptibility χ and heat capacity …

Antiferromagnetism in semiconducting and single crystals

NS Sangeetha, V Smetana, AV Mudring, DC Johnston - Physical Review B, 2018 - APS
Crystals of SrMn 2 Sb 2 and BaMn 2 Sb 2 were grown using Sn flux and characterized by
powder and single-crystal x-ray diffraction, respectively, and by single-crystal electrical …

Frustrated magnetic cycloidal structure and emergent Potts nematicity in

F Islam, TV Trevisan, T Heitmann, S Pakhira… - Physical Review B, 2023 - APS
We report neutron-diffraction results on single-crystal CaMn 2 P 2 containing corrugated Mn
honeycomb layers, and we determine its ground-state magnetic structure. The diffraction …

Non-Fermi-liquid types of behavior associated with a magnetic quantum critical point in single crystals

NS Sangeetha, LL Wang, AV Smirnov, V Smetana… - Physical Review B, 2019 - APS
The compound SrCo 2 As 2 with the body-centered tetragonal ThCr 2 Si 2 structure is known
to remain paramagnetic down to a temperature T= 0.05 K, but inelastic neutron scattering …

[HTML][HTML] Unveiling the DFT perspectives on structural, elastic, electronic, optical and thermal properties of XMn2As2 (X= Ca, Sr)

MZ Rahman, MS Akter, SS Hasan, MA Hasan… - Computational …, 2024 - Elsevier
A comprehensive first-principles investigation of XMn 2 As 2 (X= Ca, Sr) materials using
Density Functional Theory (DFT) have used in this study. Variety of physical attributes …

Enhanced moments of Eu in single crystals of the metallic helical antiferromagnet

NS Sangeetha, VK Anand, E Cuervo-Reyes… - Physical Review B, 2018 - APS
The compound EuCo 2− y As 2 with the tetragonal ThCr 2 Si 2 structure is known to contain
Eu+ 2 ions with spin S= 7 2 that order below a temperature TN≈ 47 K into an …

Magnetic phase transitions in Eu( single crystals

NS Sangeetha, S Pakhira, DH Ryan, V Smetana… - Physical Review …, 2020 - APS
The effects of Ni doping in Eu (Co 1− x Ni x) 2− y As 2 single crystals with x= 0 to 1 grown out
of self-flux are investigated via crystallographic, electronic transport, magnetic, and thermal …