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Titolo:
Pressure tuning of magnetic interactions in layered (La0.6Nd0.4)(1.2)Sr1.8Mn2O7 manganite
Autore:
Kamenev, KV; Lees, MR; Balakrishnan, G; Paul, DM; Marshall, WG; Tissen, VG; Nefedova, MV;
Indirizzi:
Univ Edinburgh, Dept Phys & Astron, Edinburgh EH9 3JZ, Midlothian, Scotland Univ Edinburgh Edinburgh Midlothian Scotland EH9 3JZ Midlothian, Scotland Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England Univ Warwick Coventry W Midlands England CV4 7AL 7AL, W Midlands, England Rutherford Appleton Lab, ISIS Facil, Didcot OX11 0QX, Oxon, England Rutherford Appleton Lab Didcot Oxon England OX11 0QX 1 0QX, Oxon, England Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow District, Russia Russian Acad Sci Chernogolovka Moscow District Russia 142432 rict, Russia
Titolo Testata:
PHYSICAL REVIEW LETTERS
fascicolo: 12, volume: 84, anno: 2000,
pagine: 2710 - 2713
SICI:
0031-9007(20000320)84:12<2710:PTOMII>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
PEROVSKITE STRUCTURE; MAGNETORESISTANCE; LA1.2SR1.8MN2O7;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Kamenev, KV Univ Edinburgh, Dept Phys & Astron, Mayfield Rd, Edinburgh EH93JZ, Midlothian, Scotland Univ Edinburgh Mayfield Rd Edinburgh Midlothian Scotland EH9 3JZ
Citazione:
K.V. Kamenev et al., "Pressure tuning of magnetic interactions in layered (La0.6Nd0.4)(1.2)Sr1.8Mn2O7 manganite", PHYS REV L, 84(12), 2000, pp. 2710-2713

Abstract

The effect of pressure of up to 9 GPa on the magnetic and structural properties of layered (La0.6Nd0.4)(1.2)Sr1.8Mn2O7 manganite has been investigated. Pressure shifts the Mn atoms from the center of each bilayer towards theadjacent bilayer. The observed shift of the Mn atoms involves mainly a charge redistribution within the d(3z2-r2) axial orbital. The decrease in the interbilayer spacing and the shift of the Mn atoms away from the center of each bilayer result in increased magnetic and electronic coupling between the adjacent bilayers along the c axis.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/07/20 alle ore 05:21:40