Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 100: Issue 3
Effect of zinc(II) doping on thermal and optical properties of potassium hydrogen phthalate (KHP) crystals
Authors:
S. Parthiban Annamalai University Department of Chemistry Annamalainagar 608 002 India

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S. Murali Annamalai University Department of Chemistry Annamalainagar 608 002 India

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G. Madhurambal ADM College for Women Department of Chemistry Nagapattinam India

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S. Meenakshisundaram Annamalai University Department of Chemistry Annamalainagar 608 002 India

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S. Mojumdar University of New Brunswick Department of Engineering Saint John NB E2L 4L5 Canada

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Pages:
751–756
Online Publication Date:
17 Feb 2010
Publication Date:
01 Jun 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-010-0677-0
Keywords:
Nonlinear optical materials; Zinc doping; DSC; TG; DTA; KHP; SHG; Zn(II)
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Abstract  

The influence of doping the transition metal Zn(II) on potassium hydrogen phthalate (KHP) crystals has been studied. A close observation of FT-IR and XRD profiles of doped and undoped samples reveals some minor structural variations. It appears that the crystal undergoes considerable lattice stress as a result of doping the bivalent zinc. Furthermore, the possibility of cation vacancies aroused owing to the substitution of K1+ by Zn2+ could result in a defective crystal system. Energy dispersive spectra reveal the incorporation of Zn(II) in the crystalline matrix of KHP crystals. Differential scanning calorimetry (DSC) and TG-DTA studies reveal the purity of the sample and no decomposition is observed below the melting point. Small quantity additions of Zn(II) enhance the fluorescence intensity of KHP crystals. The doping results in morphological changes and significantly improves the second harmonic generation (SHG) efficiency of the host crystal.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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