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Tuning the magnetocrystalline anisotropy in RCoPO by means of R substitution: A ferromagnetic resonance study

Prando, G and Alfonsov, A and Pal, A and Awana, VPS and Buechner, B and Kataev, V (2016) Tuning the magnetocrystalline anisotropy in RCoPO by means of R substitution: A ferromagnetic resonance study. In: PHYSICAL REVIEW B, 94 (2).

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Official URL: http://dx.doi.org/10.1103/PhysRevB.94.024412

Abstract

We report on broad-band electron-spin resonance measurements performed within the itinerant ferromagnetic phase of RCoPO (R = La, Pr, Nd, and Sm). We reveal that the R substitution is highly effective in gradually introducing a sizable easy-plane magnetocrystalline anisotropy within the Co sublattice. We explain our results in terms of a subtle interplay of structural effects and of indirect interactions between the f and d orbitals from R and Co, respectively. Our observations provide interesting information on the crucial role of R ions in affecting the electronic properties of the CoP layers, of possible interest also for the isostructural FeAs-based family of high-T-c superconductors.

Item Type: Journal Article
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Id for Latest eprints
Date Deposited: 19 Aug 2016 06:41
Last Modified: 19 Aug 2016 06:41
URI: http://eprints.iisc.ac.in/id/eprint/54396

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