Thermo-optic characterization of neodymium/nickel doped silica glasses prepared via sol-gel route

Ancy Manuel, B. Rajesh Kumar, N. Shemeena Basheer, B. Syamala Kumari, P. I. Paulose, Achamma Kurian, Sajan D. George

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Intrinsic as well as rare earth (Neodymium) doped silica glasses with various molar ratio of dopant and a metallic (Nickel) co-dopant is prepared via sol-gel route. The structural characterization of the sample is carried out using X-ray diffraction and Fourier Transform Infrared Spectroscopy. The influence of dopant and doping concentration on the optical properties of silica matrix is investigated via UV-VIS absorption spectroscopy. Effect of dopant on thermal effusivity value of the host matrix is carried out by laser induced open cell photoacoustic technique. Analysis of the results showed that doping affect the thermal effusivity value and results are interpreted in terms of structural modification of the lattice and phonon assisted heat transport mechanism.

Original languageEnglish
Pages (from-to)474-478
Number of pages5
JournalSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume98
DOIs
Publication statusPublished - 01-12-2012

Fingerprint

Neodymium
silica glass
neodymium
Fused silica
Nickel
Sol-gels
Optics
routes
Doping (additives)
nickel
gels
optics
matrices
absorption spectroscopy
rare earth elements
infrared spectroscopy
silicon dioxide
optical properties
heat
cells

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Spectroscopy

Cite this

Manuel, Ancy ; Rajesh Kumar, B. ; Shemeena Basheer, N. ; Syamala Kumari, B. ; Paulose, P. I. ; Kurian, Achamma ; George, Sajan D. / Thermo-optic characterization of neodymium/nickel doped silica glasses prepared via sol-gel route. In: Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 2012 ; Vol. 98. pp. 474-478.
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Thermo-optic characterization of neodymium/nickel doped silica glasses prepared via sol-gel route. / Manuel, Ancy; Rajesh Kumar, B.; Shemeena Basheer, N.; Syamala Kumari, B.; Paulose, P. I.; Kurian, Achamma; George, Sajan D.

In: Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, Vol. 98, 01.12.2012, p. 474-478.

Research output: Contribution to journalArticle

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T1 - Thermo-optic characterization of neodymium/nickel doped silica glasses prepared via sol-gel route

AU - Manuel, Ancy

AU - Rajesh Kumar, B.

AU - Shemeena Basheer, N.

AU - Syamala Kumari, B.

AU - Paulose, P. I.

AU - Kurian, Achamma

AU - George, Sajan D.

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AB - Intrinsic as well as rare earth (Neodymium) doped silica glasses with various molar ratio of dopant and a metallic (Nickel) co-dopant is prepared via sol-gel route. The structural characterization of the sample is carried out using X-ray diffraction and Fourier Transform Infrared Spectroscopy. The influence of dopant and doping concentration on the optical properties of silica matrix is investigated via UV-VIS absorption spectroscopy. Effect of dopant on thermal effusivity value of the host matrix is carried out by laser induced open cell photoacoustic technique. Analysis of the results showed that doping affect the thermal effusivity value and results are interpreted in terms of structural modification of the lattice and phonon assisted heat transport mechanism.

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