NEW MATERIALS IN THE LAYERED SYSTEM (BA1-XKX)1+N(PB1-YBIY)NO3N+1-DELTA, SYNTHESIS, STRUCTURE AND CHARGE-CARRIERS

被引：10

作者：

LICHERON, M

GERVAIS, F

机构：

[1] Centre de Recherches sur la Physique des Hautes Températures, CNRS

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1990年 / 6卷 / 01期

关键词：

D O I：

10.1016/0921-5107(90)90115-R

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The syntheses of new materials of the layered system (Ba1 - xKx)1 + n(Pb1 - yBiy)nO3n + 1-δ are reported. Samples are characterized by X-ray, scanning electron microscopy, X-fluoroscence, electron paramagnetic resonance and infrared reflectivity spectroscopy. The relation between structure and metallicity is discussed. Potassium can be substituted onto the barium site only in restricted regions of the phase diagram, and then gives rise to the formation of charge carriers. Their existence is checked by screening of polar phonons in infrared reflectivity spectra. © 1990.

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页码：61 / 66

页数：6

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