2000
DOI: 10.1103/physrevb.62.r14629
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Surface segregation and restructuring of colossal-magnetoresistant manganese perovskitesLa0.65Sr0.35

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Cited by 186 publications
(138 citation statements)
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“…indicates a gradual evolution of the film toward the bulk. Because of the difference in chemical composition [25] and lattice structure [26], the physical properties near surface and the interface cannot be the same as the inside of the film. This will result in a difference in overall film property from the bulk, especially when film is not thick enough.…”
mentioning
confidence: 99%
“…indicates a gradual evolution of the film toward the bulk. Because of the difference in chemical composition [25] and lattice structure [26], the physical properties near surface and the interface cannot be the same as the inside of the film. This will result in a difference in overall film property from the bulk, especially when film is not thick enough.…”
mentioning
confidence: 99%
“…In orthorhombic films such as LaxSr1-xMnO3 there is surface segregation of Sr atoms [3,30,31] but LaxCa1-xMnO3 does not segregate Ca atoms [31]. Neither reveals evidence of surface reconstruction.…”
Section: Discussionmentioning
confidence: 99%
“…These are Auger electron spectroscopy (AES) [19], angle-resolved X-ray photoelectron spectroscopy or angle-resolved ESCA i.e. electron spectroscopy for chemical analysis (ARXPS) [1,6,[9][10][11][12][13][14]19], ion scattering spectroscopy (ISS) [20] and secondary ion mass spectrometry (SIMS) [21]. We have tended to focus on ARXPS as the technique used for characterizing the surface composition, as the technique is not "destructive", and among the most established methods to accurately assess surface composition.…”
Section: Characterizing Surface Segregationmentioning
confidence: 99%
“…This is considered to be very important to many spintronic applications as polarization is strongly influenced by composition [3][4][5][6][7][8]. Evidence that surface composition affects spin polarization of potentially high polarization materials abounds [3,4,6,[9][10][11][12][13]. One of the more studied examples of reduced spin-polarization due to surface compositional instabilities of the NiMnSb half-Heusler alloy [2,3,14].…”
Section: Introductionmentioning
confidence: 99%