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Titolo:
Enhanced atomic-scale contrast on Fe3O4(100) observed with an FeSTM tip
Autore:
Koltun, R; Herrmann, M; Guntherodt, G; Brabers, VAM;
Indirizzi:
Eindhoven Univ Technol, Dept Phys, NL-5600 MB Eindhoven, Netherlands Eindhoven Univ Technol Eindhoven Netherlands NL-5600 MB ven, Netherlands Rhein Westfal TH Aachen, Inst Phys 2, D-52056 Aachen, Germany Rhein Westfal TH Aachen Aachen Germany D-52056 , D-52056 Aachen, Germany
Titolo Testata:
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
fascicolo: 1, volume: 73, anno: 2001,
pagine: 49 - 53
SICI:
0947-8396(200107)73:1<49:EACOFO>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCANNING TUNNELING MICROSCOPE; FE3O4/COO BILAYERS; SURFACE; MAGNETITE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
35
Recensione:
Indirizzi per estratti:
Indirizzo: Herrmann, M Kansai Adv Res Ctr, Nishi Ku, 651-2401 Kobe, Iwaoka 5882, Japan Kansai Adv Res Ctr 651-2401 Kobe Iwaoka Japan 5882 882, Japan
Citazione:
R. Koltun et al., "Enhanced atomic-scale contrast on Fe3O4(100) observed with an FeSTM tip", APPL PHYS A, 73(1), 2001, pp. 49-53

Abstract

Clean (100) surfaces of a synthetic single crystal of magnetite (Fe3O4) have been prepared in situ using current pulses in a scanning tunneling microscope without subsequent annealing. We have observed atomically resolved terraces with rows of Fe2+ and Fe3+ ions of the B-sublattice: (octahedrally coordinated lattice sites). Along these rows a long-distance corrugation (similar to 12W) has been observed at 300K using in situ prepared Fe tunnelingtips. This corrugation is interpreted as a Wigner localization associated with a Verwey transition above 300K in the top surface layer.

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Documento generato il 11/08/20 alle ore 15:45:08