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  • Chem Sci Trans., 2015, 4(4),  pp 1095-1101  

    DOI:10.7598/cst2015.1119

    Research Article

    X-Ray, Thermal and Mechanical Studies of Potassium Acid Phthalate Single Crystals Added with Aspartic Acid/L-Citrulline

  • C. AMUTHAMBIGAI, C. K. MAHADEVAN and X. SAHAYA SHAJAN*
  • Centre for Scientific and Applied Research, PSN College of Engineering and Technology, Tirunelveli-627152, Tamilnadu, India
  • Abstract

    Potassium acid phthalate (KAP) is an interesting semi-organic optical material. Optically transparent good quality single crystals of pure and amino acid added KAP single crystals were grown by conventional slow evaporation technique at 32 oC and characterized to study the thermal and mechanical stability of the crystal. The x-ray diffraction analysis confirms the presence of amino acid molecules in the KAP crystal matrix in the case of amino acid added KAP single crystals. The thermogravimetric (TG/DTG) and microhardness measurements indicate that the amino acid addition significantly tunes the thermal stability and mechanical strength of the KAP crystal.

    Keywords

    Semi-organic optical materials, X-ray diffraction, Thermal stability, Mechanical property

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