Crystal structure refinement of new vanadates Ca8-xPbxCdBi(VO4)7

Daria Petrova, Dina Deyneko, Sergey Stefanovich, Bogdan Lazoryak

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

New Ca8-xPbxCdBi(VO4)7 with the whitlockite-Type structure were prepared by a standard solid-state method in air. Le Bail decomposition was used to determine unit-cell parameters. Structural refining was carried out by Rietveld's method. It is found that Bi3+ cations located partially in M1 and M2 sites along with calcium, while M3 site is settled in half by Pb2+-ions. Second-harmonic generation demonstrate highest non-linear optical activity and along with dielectric investigations indicate polar space group R3c.

Original languageEnglish
Pages (from-to)S106-S109
JournalPowder Diffraction
Volume32
Issue numberS1
DOIs
Publication statusPublished - 1 Sep 2017
Externally publishedYes

Keywords

  • crystal structure
  • non-linear optical activity
  • phase transition
  • Rietveld refinement
  • whitlockite

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