Impedance spectroscopy of iron-doped lithium niobate crystals

The dc conductivity of as-grown and oxidized iron-doped lithium niobate crystals is measured by impedance spectroscopy in the temperature range 30–700 °C. Electron and ion conduction at lower and higher temperatures are clearly distinguished, providing relevant information for understanding and opti...

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Veröffentlicht in:	Applied physics. B, Lasers and optics Lasers and optics, 2008-05, Vol.91 (2), p.279-281
Hauptverfasser:	Brands, K., Falk, M., Haertle, D., Woike, T., Buse, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Conduction cooling Conduction heating Conductivity phenomena in semiconductors and insulators Crystals Dielectric, piezoelectric, ferroelectric and antiferroelectric materials Dielectrics, piezoelectrics, and ferroelectrics and their properties Direct current Electronic transport in condensed matter Engineering Exact sciences and technology Fundamental areas of phenomenology (including applications) Impedance spectroscopy Lasers Lithium niobates Low-field transport and mobility piezoresistance Niobates, titanates, tantalates, pzt ceramics, etc Nonlinear optical crystals Optical Devices Optical materials Optics Optimization Photonics Physical Chemistry Physics Physics and Astronomy Quantum Optics
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Beschreibung
Zusammenfassung:	The dc conductivity of as-grown and oxidized iron-doped lithium niobate crystals is measured by impedance spectroscopy in the temperature range 30–700 °C. Electron and ion conduction at lower and higher temperatures are clearly distinguished, providing relevant information for understanding and optimizing the recently developed thermo-electric oxidization that makes crystals robust against optical damage.
ISSN:	0946-2171 1432-0649
DOI:	10.1007/s00340-008-2989-3