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Strontium tartrate; dopant; effect of magnetic field; thermal behaviour.

Thermal behaviour of strontium tartrate crystals grown with the aid of sodium metasilicate gel is investigated using thermogravimetry (TG) and differential thermal analysis (DTA). Effect of magnetic field and dopant (Pb)²⁺ on the crystal stability is also studied using thermal analysis. This study reveals that water molecules are locked up in the lattice with different strengths in the grown crystals.

M H Rahimkutty¹ K Rajendra Babu² K Sreedharan Pillai² M R Sudarsana Kumar³ C M K Nair²

1. Department of Physics, M.S.M. College, Kayamkulam 690 502, India
2. Department of Physics, M.G. College, Thiruvananthapuram 695 004, India
3. Department of Chemistry, M.G. College, Thiruvananthapuram 695 004, India

Manuscript received

18 May 1999

Manuscript revised

13 November 2000