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Magnetic Structure of the Conductive Triangular-Lattice Antiferromagnet PdCrO2

Published

Author(s)

Hiroshi Takatsu, Gwilherm Nenert, Hiroaki Kadowaki, Hideki Yoshizawa, Mechthild Enderle, Shingo Yonezawa, Yoshiteru Maeno, Jungeun Kim, Naruki Tsuji, Masaki Takata, Yang Zhao, Mark Green, Collin Broholm

Abstract

We performed neutron single crystal and synchrotron X-ray powder diffraction experiments in order to investigate the magnetic and crystal structures of the conductive layered triangular-lattice antiferromagnet PdCrO6d2^ with a putative spin chirality, which contributes to an unconventional anomalous Hall effect. We revealed that the ground-state magnetic structure is a commensurate and nearly-coplanar 120° spin structure. The 120° plan in different Cr layers seem to tilt with one another, leading to a small non-coplanarity. Such a small but finite non-coplanar stacking of the 120 ° planes gives rise to a finite scalar spin chirality, which may be responsible for the unconventional nature of the Hall effect of PdCrO2.
Citation
Physical Review B
Volume
89
Issue
10

Citation

Takatsu, H. , Nenert, G. , Kadowaki, H. , Yoshizawa, H. , Enderle, M. , Yonezawa, S. , Maeno, Y. , Kim, J. , Tsuji, N. , Takata, M. , Zhao, Y. , Green, M. and Broholm, C. (2014), Magnetic Structure of the Conductive Triangular-Lattice Antiferromagnet PdCrO<sub>2</sub>, Physical Review B, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=913200 (Accessed March 28, 2024)
Created March 10, 2014, Updated October 12, 2021