Photoemission band structure of La0.7(Ca, Ce)0.3MnO3 thin films and a La0.9Ca0.1CoO3 crystal

Zalecki, R.; Kołodziejczyk, Andrzej; Kapusta, Cz.; Zaręba, Grzegorz; Fink‐Finowicki, J.; Баран, М.; Szymczak, R.; Szymczak, H.

doi:10.1016/j.jallcom.2006.08.367

Cited by 2 publications

(3 citation statements)

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“…4, was the two-peak structure at about −4.0 eV and −6.0 eV below the upper edge of the valence band. The same was observed in [3,[5][6][7] for other manganese perovskites.…”

Section: Ultraviolet Photoemission Spectroscopysupporting

confidence: 79%

“…This behaviour may be discussed taking into account our previous analysis of UPS spectra of other manganese perovskites [5,6] as well as the paper [3] on electronic structure examination using the techniques of angle resolved photoemission, resonance photoemission and inverse photoemission with synchrotron radiation. Studies in Ref.…”

Section: Ultraviolet Photoemission Spectroscopymentioning

confidence: 98%

“…To avoid surface degradation all the experiments were performed under vacuum better than 10 −9 mbar. To get the most representative spectra, as compared to our previous ones [5,6], the sample surfaces were scrapped ex-situ with a diamond file. Next, they were heated up to 300…”

Section: Samples and Experimentsmentioning

confidence: 99%

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Electronic States of Collosal Magnetoresistive Manganites La_0.67Pb_0.33Mn_1-xFe_xO₃from Photoemission Spectroscopy

2010

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The electron photoemission spectra of valence bands and core-level states of manganese perovskite La0.67Pb0.33(Mn1−xFex)O3 with x = 0, 0.01, 0.03, 0.06, 0.10 and 0.15 were measured by the X-ray and Ultraviolet Photoemission Spectroscopy (XPS and UPS) below and above the metal-insulator transition. From analysis of the Mn 2p core-level spectra the ratio Mn 3+ /Mn 4+ was calculated as a function of the iron content. Comparison of the valence band spectrum with band structure calculations and with the high-resolution spectra measured at synchrotron radiation for Ca-, Ba-and Ce-substituted manganites revealed the strong hybridisation of Mn 3d and of O 2p states between −3 eV and −7 eV, and no estimated oxygen states between 0 eV and −2 eV where the Mn-3d states play a predominant role. The composition dependent insulating energy gaps were measured at room temperature. Reasons for the behaviour were discussed taking into account previous analysis of XPS/UPS spectra of other manganese perovskites.

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“…4, was the two-peak structure at about −4.0 eV and −6.0 eV below the upper edge of the valence band. The same was observed in [3,[5][6][7] for other manganese perovskites.…”

Section: Ultraviolet Photoemission Spectroscopysupporting

confidence: 79%

Section: Ultraviolet Photoemission Spectroscopymentioning

confidence: 98%

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Electronic States of Collosal Magnetoresistive Manganites La_0.67Pb_0.33Mn_1-xFe_xO₃from Photoemission Spectroscopy

2010

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Physical properties of La1−xPbxMnO3 perovskites with 0.24≤x≤0.40

Burzo

Balasz

Isobe

et al. 2012

Journal of Alloys and Compounds

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Photoemission band structure of La0.7(Ca, Ce)0.3MnO3 thin films and a La0.9Ca0.1CoO3 crystal

Cited by 2 publications

References 24 publications

Electronic States of Collosal Magnetoresistive Manganites La_0.67Pb_0.33Mn_1-xFe_xO₃from Photoemission Spectroscopy

Electronic States of Collosal Magnetoresistive Manganites La_0.67Pb_0.33Mn_1-xFe_xO₃from Photoemission Spectroscopy

Physical properties of La1−xPbxMnO3 perovskites with 0.24≤x≤0.40

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Photoemission band structure of La0.7(Ca, Ce)0.3MnO3 thin films and a La0.9Ca0.1CoO3 crystal

Cited by 2 publications

References 24 publications

Electronic States of Collosal Magnetoresistive Manganites La0.67Pb0.33Mn1-xFexO3from Photoemission Spectroscopy

Electronic States of Collosal Magnetoresistive Manganites La0.67Pb0.33Mn1-xFexO3from Photoemission Spectroscopy

Physical properties of La1−xPbxMnO3 perovskites with 0.24≤x≤0.40

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Product

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Electronic States of Collosal Magnetoresistive Manganites La_0.67Pb_0.33Mn_1-xFe_xO₃from Photoemission Spectroscopy

Electronic States of Collosal Magnetoresistive Manganites La_0.67Pb_0.33Mn_1-xFe_xO₃from Photoemission Spectroscopy