Electron spin resonance of Cu2+ impurities in l-arginine phosphate monohydrate single crystals

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dc.creatorSantana, Ricardo Costa de
dc.creatorCarvalho, Jesiel Freitas
dc.creatorAmaral, S. R.
dc.creatorVencato, Ivo
dc.creatorPelegrini, Fernando
dc.creatorTerrile, Maria Cristina
dc.creatorHernandes, Antonio Carlos
dc.creatorCalvo, Rafael
dc.date.accessioned2024-07-11T15:10:27Z
dc.date.available2024-07-11T15:10:27Z
dc.date.issued2022
dc.description.abstractUsing electron paramagnetic resonance spectroscopy we studied single crystals of l-arginine phosphate monohydrate doped with copper. The angular dependence of the spectrum in three orthogonal planes shows that the Cu2+ ions occupy two symmetry related sites in the structure. The Zeeman and hyperfine coupling tensors were determined. The principal values are: g1=2.053, g2=2.054, g3=2.251, A1≈0, and Superhyperfine interactions with 14N ligands, well resolved for certain orientations of the magnetic field, suggest that Cu impurities have three N ligands. In terms of the molecular structure and based in similar systems, our findings are discussed and suggestions are made.
dc.identifier.citationSANTANA, R. C. et al. Electron spin resonance of Cu2+ impurities in l-arginine phosphate monohydrate single crystals. Journal of Physics and Chemistry of Solids, Amsterdam, v. 63, n.10, p. 1857-1862, 2002. DOI: 10.1016/S0022-3697(02)00169-5. Disponível em: https://www.sciencedirect.com/science/article/pii/S0022369702001695. Acesso em: 26 maio 2023.
dc.identifier.doi10.1016/S0022-3697(02)00169-5
dc.identifier.issn0022-3697
dc.identifier.issne- 1879-2553
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0022369702001695
dc.language.isoeng
dc.publisher.countryHolanda
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.subjectA. X-ray diffraction
dc.subjectD. Crystal structure
dc.subjectD. Electron paramagnetic resonance
dc.titleElectron spin resonance of Cu2+ impurities in l-arginine phosphate monohydrate single crystals
dc.typeArtigo

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