High-order Ho multipoles in HoB2C2 observed with soft resonant x-ray diffraction

A. J. Princep, A. M. Mulders, E. Schierle +7

Soft resonant x-ray Bragg diffraction (SRXD) at the Ho M${}_{4,5}$ edges has been used to study Ho $4f$ multipoles in the combined magnetic and orbitally ordered phase of HoB${}_2$C$_2…