Two Types of Photo-Induced Voltages in Terbium Molybdate

Autor:	V. D. Negrii, B. K. Ponomarev, Redkin Boris S
Rok vydání:	2002
Předmět:	Materials science Relaxation (NMR) chemistry.chemical_element Terbium Molybdate Radiation Condensed Matter Physics Laser Ferroelectricity Molecular physics Electronic Optical and Magnetic Materials law.invention chemistry.chemical_compound chemistry law Orthorhombic crystal system Voltage
Zdroj:	Ferroelectrics. 280:119-130
ISSN:	1563-5112 0015-0193
DOI:	10.1080/00150190214805
Popis:	The dependences of the photo-induced voltage in the orthorhombic ferroelectric terbium molybdate g ' m Tb 2 (MoO 4 ) 3 upon the time t of the illumination by a laser beam was measured at room temperature at 0,1 s h t h 4500 s. The power of the laser radiation was 0,4 W. The distribution of the intensity along the sample was varied from highly inhomogeneous to homogeneous. It was found that the photo-induced voltages of two types with opposite signs appear due to the inhomogeneous illumination. The model was proposed to explain the appearance of the photo-induced voltage due to the inhomogeneous illumination. Qualitative data on the relaxation of the photo-induced voltage were obtained.
Databáze:	OpenAIRE
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