Dielectric, electrical and nonlinear optical properties of KTiOPO 4:La3+

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作者：
20140717319859
机构：
[1] Sadhasivam, S.
[2] Rajesh, Narayana Perumal
[3] Ramasamy, P.
来源：
Rajesh, N.P. (rajeshnp@ssn.edu.in) | 1600年 / Elsevier Ltd卷 / 594期
关键词：
Lanthanum doped KTP crystal was grown using high temperature top seeded solution growth technique. The 0.08 wt.% of La3+ doping was confirmed by the EDAX analysis. Structural and variation of lattice parameters by doping were investigated by X-ray diffraction. The ferroelectric hysteresis loop was traced in polar axis of grown crystal. Static high frequency dielectric permittivity; suppressed electrical conductivity; low loss tangent; increase of resistivity and modulus properties were studied for lanthanum doped KTP crystal by broad band dielectric spectroscopy. Desirable low ionic conductivity was found as 4 × 10-7 Ω-1 cm -1 in about 40 kHz frequencies.© 2014 Elsevier B.V. All rights reserved;
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