Flat-band hybridization between f and d states near the Fermi energy of SmCoIn5

DW Tam, N Colonna, F Alarab, VN Strocov… - npj Quantum …, 2024 - nature.com
We present high-quality angle-resolved photoemission (ARPES) and density functional
theory calculations (DFT+ U) of SmCoIn5. We find broad agreement with previously …

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 …

Flat band induced quantum criticality in a nonsuperconducting iron pnictide

Z Liu, H Mao, Y Nakajima, J Paglione, Z Yin… - Physical Review B, 2024 - APS
Flat electronic bands at the Fermi energy (EF) can induce interaction-driven instabilities and
further result in the emergence of a plethora of new quantum phases such as Mott insulators …

Helical magnetic ordering in

JM Wilde, A Kreyssig, D Vaknin, NS Sangeetha, B Li… - Physical Review B, 2019 - APS
SrCo 2 As 2 is a peculiar itinerant magnetic system that does not order magnetically, but
inelastic neutron-scattering experiments observe the same stripe-type antiferromagnetic …

Weak itinerant magnetic phases of

JM Wilde, A Sapkota, W Tian, SL Bud'ko, RA Ribeiro… - Physical Review B, 2022 - APS
La 2 Ni 7 is an intermetallic compound that is thought to have itinerant magnetism with small
moment (∼ 0.15 μ B/Ni) ordering below 65 K. A recent study of single crystal samples by …

Ferromagnetic cluster-glass phase in crystals

S Pakhira, NS Sangeetha, V Smetana, AV Mudring… - Physical Review B, 2020 - APS
Single crystals of Ca (Co 1− x Ir x) 2− y As 2 with 0≤ x≤ 0.35 and 0.10≤ y≤ 0.14 have
been grown using the self-flux technique and characterized by single-crystal x-ray diffraction …

Flat-band-induced itinerant ferromagnetism in

J Huang, Z Wang, H Pang, H Wu, H Cao, SK Mo… - Physical Review B, 2021 - APS
A Co 2 Se 2 (A= K, Rb, Cs) is a homologue of the iron-based superconductor A Fe 2 Se 2.
From a comprehensive study of RbCo 2 Se 2 via measurements of magnetization, transport …

Non-Fermi-liquid behavior and saddlelike flat band in the layered ferromagnet

Z Liu, S Yang, H Su, L Zhou, X Lu, Z Liu, J Gao… - Physical Review B, 2020 - APS
AlFe 2 B 2, a layered ferromagnet with a Curie temperature near room temperature (T c∼
270 K), has attracted growing attention recently in condensed-matter physics and materials …

Europium -axis ferromagnetism in : A single-crystal neutron diffraction study

T Han, S Pakhira, NS Sangeetha, SXM Riberolles… - Physical Review B, 2024 - APS
We report neutron diffraction results for the body-centered-tetragonal series Eu (Co 1− x Ni
x) 2− y As 2, x= 0.10, 0.20, 0.42, and 0.82, y≤ 0.10, that detail changes to the magnetic …

Topological Hall effect and magnetic states in the Nowotny chimney ladder compound

Y Li, X Gui, MA Khan, W **e, DP Young, JF DiTusa - Physical Review B, 2021 - APS
We have investigated the magnetic and charge transport properties of single crystals of the
Nowotny chimney ladder compound Cr 11 Ge 19 and mapped out a comprehensive phase …