We report on the electronic and thermodynamic properties of the antiferromagnetic metal uranium mononitride with a Néel temperature TN ≈ 53 K. The fabrication of microstructures from single crystals enables us to study the low-temperature metamagnetic transition at approximately 58 T by high-precision magnetotransport, Hall-effect, and magnetic-torque measurements. We confirm the evolution of the high-field transition from a broad and complex behavior to a sharp first-order-like step, associated with a spin flop at low temperature. In the high-field state, the magnetic contribution to the temperature dependence of the resistivity is suppressed completely. It evolves into an almost quadratic dependence at low temperatures indicative of a metallic character. Our detailed investigation of the Hall effect provides evidence for a prominent Fermi-surface reconstruction as the system is pushed into the high-field state.
Description
Fermi-surface reconstruction at the metamagnetic high-field transition in uranium mononitride
%0 Journal Article
%1 PhysRevB.104.155123
%A Hamann, S
%A Förster, T
%A Gorbunov, D I
%A König, M
%A Uhlarz, M
%A Wosnitza, J
%A Helm, T
%D 2021
%I American Physical Society
%J Phys. Rev. B
%K a b
%N 15
%P 155123
%R 10.1103/PhysRevB.104.155123
%T Fermi-surface reconstruction at the metamagnetic high-field transition in uranium mononitride
%U https://journals.aps.org/prb/pdf/10.1103/PhysRevB.104.155123
%V 104
%X We report on the electronic and thermodynamic properties of the antiferromagnetic metal uranium mononitride with a Néel temperature TN ≈ 53 K. The fabrication of microstructures from single crystals enables us to study the low-temperature metamagnetic transition at approximately 58 T by high-precision magnetotransport, Hall-effect, and magnetic-torque measurements. We confirm the evolution of the high-field transition from a broad and complex behavior to a sharp first-order-like step, associated with a spin flop at low temperature. In the high-field state, the magnetic contribution to the temperature dependence of the resistivity is suppressed completely. It evolves into an almost quadratic dependence at low temperatures indicative of a metallic character. Our detailed investigation of the Hall effect provides evidence for a prominent Fermi-surface reconstruction as the system is pushed into the high-field state.
@article{PhysRevB.104.155123,
abstract = {We report on the electronic and thermodynamic properties of the antiferromagnetic metal uranium mononitride with a Néel temperature TN ≈ 53 K. The fabrication of microstructures from single crystals enables us to study the low-temperature metamagnetic transition at approximately 58 T by high-precision magnetotransport, Hall-effect, and magnetic-torque measurements. We confirm the evolution of the high-field transition from a broad and complex behavior to a sharp first-order-like step, associated with a spin flop at low temperature. In the high-field state, the magnetic contribution to the temperature dependence of the resistivity is suppressed completely. It evolves into an almost quadratic dependence at low temperatures indicative of a metallic character. Our detailed investigation of the Hall effect provides evidence for a prominent Fermi-surface reconstruction as the system is pushed into the high-field state.},
added-at = {2023-03-08T15:53:03.000+0100},
author = {Hamann, S and Förster, T and Gorbunov, D I and König, M and Uhlarz, M and Wosnitza, J and Helm, T},
biburl = {https://www.bibsonomy.org/bibtex/22ebaa9448056cd7f5cecfa7af0fcf69d/ctqmat},
day = 13,
description = {Fermi-surface reconstruction at the metamagnetic high-field transition in uranium mononitride},
doi = {10.1103/PhysRevB.104.155123},
interhash = {8c6ff745e4f4fa3eb68bb295b59dcd8f},
intrahash = {2ebaa9448056cd7f5cecfa7af0fcf69d},
journal = {Phys. Rev. B},
keywords = {a b},
month = {10},
number = 15,
numpages = {8},
pages = 155123,
publisher = {American Physical Society},
timestamp = {2023-03-09T14:06:42.000+0100},
title = {Fermi-surface reconstruction at the metamagnetic high-field transition in uranium mononitride},
url = {https://journals.aps.org/prb/pdf/10.1103/PhysRevB.104.155123},
volume = 104,
year = 2021
}