In-situ probing of domain poling in Bi 4Ti 3O 12 thin films by optical second harmonic generation

Yaniv Barad, Venkatraman Gopalan

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We quantitatively track in real-time, the changes in domain statistics with electric field poling, of a ferroelectric Bi 4Ti 3O 12 thin film using optical second harmonic generation as a probe. The ferroelectric hysteresis loop is extracted from these optical measurements using a theoretical model. The model also yields ratios of intrinsic nonlinear coefficients such as d 11/d 12 = -3.54 ±0.31, d 26/d 11 = 0.4 ±0.03, and optical birefringence |n b - n a| = 0.079 ±0.015.

Original languageEnglish (US)
Pages (from-to)19-24
Number of pages6
JournalIntegrated Ferroelectrics
Volume44
DOIs
StatePublished - Dec 1 2002

Fingerprint

Harmonic generation
Ferroelectric materials
harmonic generations
Thin films
Hysteresis loops
thin films
Birefringence
optical measurement
birefringence
hysteresis
Electric fields
Statistics
statistics
electric fields
probes
coefficients

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Control and Systems Engineering
  • Ceramics and Composites
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

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In-situ probing of domain poling in Bi 4Ti 3O 12 thin films by optical second harmonic generation. / Barad, Yaniv; Gopalan, Venkatraman.

In: Integrated Ferroelectrics, Vol. 44, 01.12.2002, p. 19-24.

Research output: Contribution to journalArticle

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AB - We quantitatively track in real-time, the changes in domain statistics with electric field poling, of a ferroelectric Bi 4Ti 3O 12 thin film using optical second harmonic generation as a probe. The ferroelectric hysteresis loop is extracted from these optical measurements using a theoretical model. The model also yields ratios of intrinsic nonlinear coefficients such as d 11/d 12 = -3.54 ±0.31, d 26/d 11 = 0.4 ±0.03, and optical birefringence |n b - n a| = 0.079 ±0.015.

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