التفاصيل البيبلوغرافية
| العنوان: |
Ferroelectric-like metallic state in electron doped BaTiO3. |
| المؤلفون: |
Fujioka, J., Doi, A., Okuyama, D., Morikawa, D., Arima, T., Okada, K. N., Kaneko, Y., Fukuda, T., Uchiyama, H., Ishikawa, D., Baron, A. Q. R., Kato, K., Takata, M., Tokura, Y. |
| المصدر: |
Scientific Reports; 8/20/2015, p13207, 1p |
| مصطلحات موضوعية: |
FERROELECTRICITY, ANISOTROPY, ELECTRONS, INFRARED spectroscopy, X-ray diffraction |
| مستخلص: |
We report that a ferroelectric-like metallic state with reduced anisotropy of polarization is created by the doping of conduction electrons into BaTiO3, on the bases of x-ray/electron diffraction and infrared spectroscopic experiments. The crystal structure is heterogeneous in nanometer-scale, as enabled by the reduced polarization anisotropy. The enhanced infrared intensity of soft phonon along with the resistivity reduction suggests the presence of unusual electron-phonon coupling, which may be responsible for the emergent ferroelectric structure compatible with metallic state. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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