Effects of 50 MeV Si ion irradiation on nonlinear optical benzimidazole single crystals

T. Kanagasekaran, P. Mythili, P. Srinivasan, N. Vijayan, G. Bhagavannarayana, P. K. Kulriya, D. Kanjilal, R. Gopalakrishnan, P. Ramasamy

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The 50 MeV Si7+ ion irradiation induced modifications on structural, dielectric, optical and mechanical properties of Vertical Bridgman grown benzimidazole (BMZ) crystals were studied. The high resolution X-ray diffraction studies show the quality of as grown BMZ and irradiated BMZ crystals. The dielectric constant and dielectric loss as a function of frequency and temperature was studied in detail. The ion induced mechanical behaviour of both as grown BMZ and irradiated BMZ crystals has been explained with the indentation effects using Vickers microhardness tester. UV-VIS. studies reveal the decrease in bandgap values and defects on irradiation. The above results are discussed in detail.

Original languageEnglish
Pages (from-to)1376-1381
Number of pages6
JournalCrystal Research and Technology
Volume42
Issue number12
DOIs
Publication statusPublished - 2007 Dec 1

Keywords

  • Absorption coefficient
  • Dielectric properties
  • Ion irradiation
  • Mechanical properties
  • Solids

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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