Photoacoustic studies on the thermal properties of the NLO compound: L-alaninium maleate by S. A. Martin Britto Dhas, E. Ramachandran, P. Raji, K. Ramachandran, and S. Natarajan

Crystal Research and Technology

Cryst. Res. Technol. 42, 601 (2007) - Abstract -

Photoacoustic studies on the thermal properties of the NLO compound: L-alaninium maleate

S. A. Martin Britto Dhas, E. Ramachandran*, P. Raji, K. Ramachandran, and S. Natarajan

School of Physics, Madurai Kamaraj University, Madurai - 625021, India
*Department of Physics, Thiruvalluvar College, Papanasam - 627 425, India

Keywords	photoacoustics, thermal diffusivity, thermal conductivity, thermal effusivity, phase transition, SEM
PACS	81.10.-h, 61.10.Nz, 81.70.Cv, 65.90.+i, 66.10.Cb, 78.20.C
DOI	10.1002/crat.200610870

Studies on thermal and optical properties are very essential for a nonlinear optical material. Photoacoustics (PA) is a recently developed non-destructive testing (NDT) tool for studying such properties. L-Alaninium maleate (C₃H₈NO₂⁺.C₄H₃O₃^-), an organic non-linear optical (NLO) material was synthesized using submerged seed solution method and was characterized by single crystal X-ray diffraction (XRD) and density. PA technique was used to determine the thermal parameters of LAM crystals. Moreover, possible phase transition analysis was conducted to ascertain the thermal stability. Scanning electron microscopic (SEM) studies were also carried out and crystal-packing features discussed.

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