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Magnetic and transport properties of the layered transition-metal pnictidesR3T4As4O2…
Author(s) -
Jiakui K. Wang,
A. Marcinkova,
ChihWei Chen,
Hua He,
M. C. Aronson,
E. Morosan
Publication year - 2014
Publication title -
physical review b
Language(s) - English
Resource type - Journals
eISSN - 1538-4489
pISSN - 1098-0121
DOI - 10.1103/physrevb.89.094405
Subject(s) - antiferromagnetism , physics , anisotropy , condensed matter physics , ferromagnetism , materials science , order (exchange) , superconductivity , crystallography , chemistry , optics , finance , economics
The magnetic and transport properties of the novel R3T 4As4O2−δ (R = La, Ce, Pr, Nd and Sm, T = Ni and Cu) layered materials were studied using structural and physical properties measurements. Varying the rare-earth ion led to the observation of diverse physical properties including superconductivity for R = La and T = Ni, ferromagnetic or antiferromagnetic order for R = Ce, Pr, and Sm, or spin-glass behavior in Nd3Ni4As4O2−δ. These complex magnetic and electronic properties are discussed in light of the crystalline anisotropy in these layered compounds

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