Pressure-induced charge delocalization in manganites studied by means of infrared spectroscopy

High Pressure Research

Volumn 22, Issue 1, 2002, Pages 139-142

  Postorino, P ^a   Congeduti, A ^a   Dore, P ^a   Gorelli, F A ^b,c   Nucara, A ^a   Sacchetti, A ^a   Ulivi, L ^d  

^a UNIVERSITÀ DI ROMA LA SAPIENZA   (Italy)

^b UNIVERSITY OF FLORENCE   (Italy)

^c UNIVERSITY OF FLORENCE   (Italy)

^d INFM   (Italy)

Author keywords

High pressure; Infrared; Jahn Teller; Manganites; Metallization transition; Raman

Indexed keywords

ABSORPTION SPECTROSCOPY; ELECTRIC INSULATORS; HIGH PRESSURE EFFECTS; HIGH TEMPERATURE EFFECTS; INFRARED SPECTROSCOPY; METALLIZING; PARAMAGNETIC MATERIALS; PHASE DIAGRAMS; PHASE TRANSITIONS;

JAHN-TELLER EFFECTS; MANGANITES; PARAMAGNETIC INSULATING (PMI) PHASES;

MANGANESE COMPOUNDS;

EID: 0346110745     PISSN: 08957959     EISSN: None     Source Type: Journal    
DOI: 10.1080/08957950211374     Document Type: Article

References (6)

1. Cheong, S. W. and Hwang, H. Y. (2000). Ferromagnetism vs. charge orbital ordering in mixed-valence manganites. In: Tokura, Y. (Ed.), Colossal Magnetoresistance Oxides. Gordon & Breach, New York; and references therein.
2. Laukhin, V., Fontcuberta, J., Garcia-Munoz, J. L. and Obradors, X. (1997). Pressure effects on the metal-insulator transition in magnetoresistive maganese perovskites. Phys. Rev. B, 56, R10009.
3. Hwang, H. Y., Palstra, T. T. M., Cheong, S. W. and Batlogg, B. (1995). Pressure effects on the magnetoresistance in doped manganese perovskites. Phys. Rev. B, 52, 15046.
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6. Meneghini, C., Levy, S. Mobilio, Ortolani, M., Nunez-Reguero, M., Kumar, A. and D. D. Sarma, Phys. Rev. B, 65, 012111 (2002).