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Photovoltaic effect for the linearly polarized light in (Pb,La)(Zr,Ti)O3 ceramics

Sheng-Yuan Chu, Zhou Ye and K Uchino

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The bulk photovoltaic effect in non-centrosymmetric crystals is caused by asymmetric generation, recombination or scattering of excited non-equilibrium electronic carriers. Photovoltaic effects in (Pb,La)(Zr,Ti)O3-based ceramics have been investigated using linearly polarized light. Angular dependence of the photovoltaic voltage and current on the polarization direction of the light was observed in doped (Pb, La)(Zr,Ti)O3 ceramics. A phenomenological model was proposed to fit the experimental results from which the photovoltaic coefficients were calculated.


PACS

78.20.Hp Piezo-, elasto-, and acoustooptical effects; photoacoustic effects

77.84.Dy Niobates, titanates, tantalates, PZT ceramics, etc.

42.79.Ci Filters, zone plates, and polarizers

Subjects

Condensed matter: electrical, magnetic and optical

Optics, quantum optics and lasers

Dates

Issue 2 (June 1994)



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