Articles with "small polaron" as a keyword



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Dielectric and electrical study along with the evidences of small polaron tunnelling in Gd doped bismuth ferrite lead titanate composites

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-8732-x

Abstract: The phase formation of the polycrystalline samples of 0.6BiGdxFe1−xO3–0.4PbTiO3 (x = 0.05, 0.10, 0.15 and 0.20) was studied by X-ray diffraction technique prepared by using solid state reaction route. From analysing the X-ray diffraction pattern, the appearance… read more here.

Keywords: temperature; dielectric electrical; electrical study; small polaron ... See more keywords
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Non-adiabatic small polaron hopping transport above metal-like to insulator transition in the vacant 3d-orbital Tb2Ti2O7 pyrochlore oxide

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Published in 2020 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-020-04732-6

Abstract: We report the validity of Mott variable range hopping (VRH) conduction mechanism and small polaron hopping in Tb2Ti2O7 in the temperature range 603–803 K. The temperature-dependent resistivity data are in good agreement with Mott 3d… read more here.

Keywords: mechanism; polaron; polaron hopping; usepackage ... See more keywords
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Spintronic Population Modulation via a Small Polaron Antiphase Filter

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Published in 2020 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.0c03342

Abstract: Spintronics in spintronic injection system-based energy harvesting devices demonstrate promising spin mobility and energy conversion efficiency. However, low spintronic population is a major challe... read more here.

Keywords: spintronic population; via small; modulation via; small polaron ... See more keywords
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Investigation on the optical properties of annealed Mn-Co-Ni-O thin films by spectroscopic ellipsometry

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Published in 2019 at "Optics Letters"

DOI: 10.1364/ol.44.002701

Abstract: Mn-Co-Ni-O thin films have been widely used for their excellent negative temperature coefficient features, but investigations about tailoring their structural and optical properties via a post-annealing (PA) process are still rare in recent years. In… read more here.

Keywords: investigation optical; thin films; small polaron; mcno films ... See more keywords