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  Half-metallic ferromagnetism and spin polarization in CrO2

Chioncel, L., Allmaier, H., Arrigoni, E., Yamasaki, A., Daghofer, M., Katsnelson, M. I., et al. (2007). Half-metallic ferromagnetism and spin polarization in CrO2. Physical Review B, 75(14): 140406R.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-B789-9 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-B78A-8
Genre: Journal Article

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 Creators:
Chioncel, L., Author
Allmaier, H., Author
Arrigoni, E., Author
Yamasaki, A.1, Author           
Daghofer, M.2, Author           
Katsnelson, M. I., Author
Lichtenstein, A. I.1, 2, Author           
Affiliations:
1Former Departments, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370502              
2Department Quantum Many-Body Theory (Walter Metzner), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370486              

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 Abstract: We present electronic structure calculations in combination with local and nonlocal many-body correlation effects for the half-metallic ferromagnet CrO2. Both zero temperature results from a variational cluster approach as well as finite-temperature dynamical mean field theory results support the existence of low-energy nonquasiparticle states, which turn out to be essential for a correct quantitative description of depolarization effects.

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Language(s): eng - English
 Dates: 2007
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 338585
ISI: 000246075100011
 Degree: -

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Title: Physical Review B
Source Genre: Journal
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Pages: - Volume / Issue: 75 (14) Sequence Number: 140406R Start / End Page: - Identifier: ISSN: 1098-0121