F. Demmel

collaborators

2 papers

cond-mat.str-el2026

Crystal-Field Symmetry Constraints in Layered Honeycomb ErBr $_{3}$

Biaoyan Hu, Mingyuan Hu, Franz Demmel +3

Crystal-field symmetry restricts the ground-state Kramers doublet of ErBr $_{3}$ to one of two classes. We show that the compressed octahedral environment selects the class with $\lan…

cond-mat.str-el2025

Zeeman split Kramers doublets in spin-supersolid candidate Na $_{2}$ BaCo(PO $_{4}$ ) $_{2}$

T. I. Popescu, N. Gora, F. Demmel +6

Na $_{2}$ BaCo(PO $_{4}$ ) $_{2}$ is a triangular antiferromagnet that displays highly efficient adiabatic demagnetization cooling (J. Xiang $et al.$ Nature $625$ , 270 (…

Crystal-Field Symmetry Constraints in Layered Honeycomb ErBr3​

Zeeman split Kramers doublets in spin-supersolid candidate Na2​BaCo(PO4​)2​

Crystal-Field Symmetry Constraints in Layered Honeycomb ErBr $_{3}$

Zeeman split Kramers doublets in spin-supersolid candidate Na $_{2}$ BaCo(PO $_{4}$ ) $_{2}$