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Electronic depiction of magnetic origin in undoped and Fe doped TiO2−d epitaxial thin films
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color online) (a) XRD patterns (normal θ-2θ scan) of TiO2−d and 4% Fe doped TiO2−d films, S and F stand for LAO substrate and film, respectively, and (b) left panel Ti 2p3/2 core level and right panel Fe 2p3/2 core level x-ray photoelectron spectrum of the Fe doped film.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Valence band spectra of Fe doped and undoped TiO2−d films recorded at PE 50 eV; (b) convoluted DOS within GGA+U formulation for Fe doped TiO2−d; and (c) valence band spectra of Fe doped TiO2−d films recorded at different PE in the range of 40-62 eV.

Image of FIG. 3.
FIG. 3.

(Color online) (a) CIS photoemission intensities as a function of PE for feature A of undoped TiO2−d film (left panel) and feature B of 4% Fe doped TiO2−d film (right panel); (b) the difference of spectral DOS recorded at 40 eV and 45 eV for TiO2−d films and the same at 50 eV and 57 eV for Fe doped TiO2−d films; and (c) magnetic hysteresis behaviour of both the films at 300 K and 5 K.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electronic depiction of magnetic origin in undoped and Fe doped TiO2−d epitaxial thin films