Publication Date
8-31-2020
Department
Ames Laboratory; Physics and Astronomy
Campus Units
Ames Laboratory, Physics and Astronomy
OSTI ID+
1663151
Report Number
IS-J 10316
DOI
10.1103/PhysRevMaterials.4.084411
Journal Title
Physical Review Materials
Volume Number
4
Issue Number
8
First Page
084411
Abstract
We report investigations of the structural, magnetic, electrical transport, and thermal properties of five compositions of the metallic perovskite GdRh3C1−xBx (0.00≤x≤1.00). Our results show that all five compositions undergo magnetic ordering at low temperatures, but the nature of the ordered state is significantly different in the carbon- and the boron-rich compositions, where the former shows signatures of an amplitude-modulated magnetic structure and the latter exhibits evidence of an equal-moment incommensurate antiferromagnetic ordering. We also observe a remarkable field-dependent evolution of conduction carrier polarization in the compositionally disordered compounds. The outcomes indicate that this system is energetically situated in proximity to a magnetic instability where small variations in the control parameter(s), such as the lattice constant and/or electron density, lead to considerably different ground states.
DOE Contract Number(s)
AC02-07CH11358; 001.254.87581018503; 001.000.8758101.3113101
Language
en
Publisher
Iowa State University Digital Repository, Ames IA (United States)
