Growth and dielectric and pyroelectric properties of magnesium-doped potassium lithium niobate single crystal

Zh X. Cheng, Shujun Zhang, J. R. Han, H. Ch Chen, Peilin Zhang, Weilie Zhong

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Magnesium doped potassium lithium niobate single crystal (K3Li2Nb5O15:Mg, denoted as KLN:Mg) has been grown by modified Czochralski technique. It has tetragonal tungsten bronze type structure. At room temperature, the point group is 4 mm with the lattice constants a = 1.262 nm and c = 0.398 nm. Dielectric, pyroelectric properties of a and c plates were studied in the temperature range from 10 to 700 K. The frequency dependence of dielectric constant in the frequency range 5 × 102 to 5 × 108 Hz was measured. Results reveal a paraelectric-ferroelectric phase transition near 623 K and a ferroelectric-ferroelectric phase transition near 80 K.

Original languageEnglish (US)
Pages (from-to)193-198
Number of pages6
JournalPhysica Status Solidi (A) Applied Research
Volume181
Issue number1
DOIs
StatePublished - Sep 1 2000

Fingerprint

lithium niobates
Magnesium
Ferroelectric materials
Potassium
magnesium
dielectric properties
potassium
Lithium
Single crystals
single crystals
bronzes
Phase transitions
Point groups
tungsten
Tungsten
frequency ranges
Bronze
permittivity
Dielectric properties
Lattice constants

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Cheng, Zh X. ; Zhang, Shujun ; Han, J. R. ; Chen, H. Ch ; Zhang, Peilin ; Zhong, Weilie. / Growth and dielectric and pyroelectric properties of magnesium-doped potassium lithium niobate single crystal. In: Physica Status Solidi (A) Applied Research. 2000 ; Vol. 181, No. 1. pp. 193-198.
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Growth and dielectric and pyroelectric properties of magnesium-doped potassium lithium niobate single crystal. / Cheng, Zh X.; Zhang, Shujun; Han, J. R.; Chen, H. Ch; Zhang, Peilin; Zhong, Weilie.

In: Physica Status Solidi (A) Applied Research, Vol. 181, No. 1, 01.09.2000, p. 193-198.

Research output: Contribution to journalArticle

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AU - Zhang, Shujun

AU - Han, J. R.

AU - Chen, H. Ch

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AU - Zhong, Weilie

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AB - Magnesium doped potassium lithium niobate single crystal (K3Li2Nb5O15:Mg, denoted as KLN:Mg) has been grown by modified Czochralski technique. It has tetragonal tungsten bronze type structure. At room temperature, the point group is 4 mm with the lattice constants a = 1.262 nm and c = 0.398 nm. Dielectric, pyroelectric properties of a and c plates were studied in the temperature range from 10 to 700 K. The frequency dependence of dielectric constant in the frequency range 5 × 102 to 5 × 108 Hz was measured. Results reveal a paraelectric-ferroelectric phase transition near 623 K and a ferroelectric-ferroelectric phase transition near 80 K.

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