Artículo
Atacamite Cu2Cl(OH)3: A model compound for the S = 1/2 sawtooth chain?
Heinze, L.; Jeschke, H.; Metavitsiadis, A.; Reehuis, M.; Feyerherm, R.; Hoffmann, J. U.; Wolter, A. U. B.; Ding, X.; Zapf, V.; Corvalán Moya, Carolina del Huerto
; Weickert, F.; Jaime, M.; Rule, K. C.; Menzel, D.; Valenti, R.; Brenig, W.; Süllow, S.
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Fecha de publicación:
04/2019
Editorial:
American Physical Society
Revista:
Physical Review Letters
ISSN:
0031-9007
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We present a combined experimental and theoretical study of the mineral atacamite Cu2Cl(OH)3.Based on ab initio band structure calculations, we derive a magnetic coupling scheme of essentially a S = 1/2 sawtooth chain. Experimentally, we fully characterize the long-range antiferromagnetically ordered state and field-induced behavior, here for H k b axis. Magnetic order is suppressed by magnetic fields of ∼ 20 T, while beginning at 31.5 T we observe a wide magnetization plateau at half of the saturation magnetization, Msat/2. Numerical calculations for the magnetization M(H) of the quantum sawtooth chain reveal a plateau at Msat/2, raising the issue of the understandingof its microscopic nature.
Palabras clave:
ATACAMITE
,
HIGH MAGNETIC FIELD
,
NUMERICAL CALCULATIONS
,
Cu2Cl(OH)3
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Articulos de SEDE CENTRAL
Citación
Heinze, L.; Jeschke, H.; Metavitsiadis, A.; Reehuis, M.; Feyerherm, R.; et al.; Atacamite Cu2Cl(OH)3: A model compound for the S = 1/2 sawtooth chain?; American Physical Society; Physical Review Letters; 2019; 4-2019; 1-7
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