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Dramatic elastic response at the critical end point in UTe
Michal Vališka, Tetiana Haidamak, Andrej Cabala +10
The first-order transition line in the \textit{H-T} phase diagram of itinerant electron metamagnets terminates at the critical end point-analogous to the critical point on the gas-…
Unveiling new quantum phases in the Shastry-Sutherland compound SrCu2(BO3)2up to the saturation magnetic field
T. Nomura, P. Corboz, A. Miyata +8
Under magnetic fields, quantum magnets often undergo exotic phase transitions with various kinds of order. The discovery of a sequence of fractional magnetization plateaus in the S…
Refining magnetic interactions from the magnetic field dependence of spin-wave excitations in magnetoelectric LiFePO
L. Peedu, V. Kocsis, D. Szaller +13
We investigated the spin excitations of magnetoelectric by THz absorption spectroscopy in magnetic fields up to 33T. By studying their selection rules, we fou…
Coexistence of antiferromagnetism and ferrimagnetism in adjacent honeycomb layers
D. Szaller, L. Prodan, K. Geirhos +12
Antiferromagnetic and ferro/ferrimagnetic orders are typically exclusive in nature, thus, their co-existence in atomic-scale proximity is expected only in heterostructures. Breakin…
Field-induced valence fluctuation in YbB
R. Kurihara, A. Miyake, M. Tokunaga +8
We performed high-magnetic-field ultrasonic experiments on YbB up to 59 T to investigate the valence fluctuations in Yb ions. In zero field, the longitudinal elastic constan…
Magnetoelastic study on the frustrated quasi-one-dimensional spin-1/2 magnet LiCuVO
A. Miyata, T. Hikihara, S. Furukawa +3
We investigated the magnetoelastic properties of the quasi-one-dimensional spin-1/2 frustrated magnet LiCuVO. Longitudinal-magnetostriction experiments were performed at 1.5 K…