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Titre du document / Document title

Growth and characterization of L-arginine fluro phosphate: a new additive for fluent growth microbes

Auteur(s) / Author(s)

SHANMUGAVADIVU R. (1) ; RAVI G. (1 2) ; JAYAVEL R. (3) ; MOHANKUMAR R. (3) ; NIXON AZARIAH A. (1) ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

(1) Crystal Research Centre, Alagappa University, Karaikudi-630003, INDE
(2) National Institute for Materials Science, Ibaraki 305-0044, JAPON
(3) Crystal Grwoth Centre, Anna University, Chennai-600025, INDE

Résumé / Abstract

L-arginine phosphate monohydrate is a promising nonlinear organic crystal for higher harmonic generation in place of the conventional potassium dihydrogen phosphate and is a challenging material for laser fusion experiments. The major and inevitable drawback is the formation of microbes for growing bulk single crystals. In this work, L-arginine fluoro phosphate was synthesized by adding 0.25 and 0.75 molar concentrations of HF and ortho phosphoric acids in L-arginine. The inherent properties of microbes and photo-induced decomposition were successfully prohibited for more than 50 days due to the presence of fluorine. No microbes were observed when the solution was kept at open atmosphere. The same solution was used for the growth; crystals of identical morphology were obtained. In addition, no tapering effect and coloration were seen. The characterizations like powder XRD. FTIR, UV-VIS-NIR spectroscopy and TG/DTA were carried out. The second-harmonic generation efficiency was confirmed by using Kurtz and Perry method.

Revue / Journal Title

Journal of crystal growth    ISSN  0022-0248   CODEN JCRGAE 

Source / Source

2004, vol. 271, no1-2, pp. 252-256 [5 page(s) (article)] (8 ref.)

Langue / Language

Anglais

Editeur / Publisher

Elsevier, Amsterdam, PAYS-BAS  (1967) (Revue)

Mots-clés anglais / English Keywords

Organic compounds

;

Non centrosymmetric crystals

;

Monocrystals

;

Hydrates

;

Optical materials

;

Phosphates

;

Arginine

;

Ultraviolet visible spectrum

;

Infrared spectra

;

Fourier transform spectra

;

XRD

;

Morphology

;

Acidic solution

;

Crystal growth from solutions

;

Decomposition

;

Photoinduced effect

;

Harmonic generation

;

Nonlinear optics

;

Additives

;

Experimental study

;

Mots-clés français / French Keywords

Composé organique

;

Cristal non centrosymétrique

;

Monocristal

;

Hydrate

;

Matériau optique

;

Phosphate

;

Arginine

;

Spectre UV visible

;

Spectre IR

;

Spectre transformée Fourier

;

Diffraction RX

;

Morphologie

;

Solution acide

;

Croissance cristalline en solution

;

Décomposition

;

Effet photoinduit

;

Génération harmonique

;

Optique non linéaire

;

Additif

;

Etude expérimentale

;

Mots-clés espagnols / Spanish Keywords

Cristal sin centro simetría

;

Espectro UV visible

;

Solución ácida

;

Efecto fotoinducido

;

Mots-clés d'auteur / Author Keywords

61.10.N

;

81.10.d

;

42.70.M Al. Characterization

;

Al. X-ray diffraction

;

Al. Recrystallization

;

A2. Growth from solutions

;

A2. Single-crystal growth

;

B2. Nonlinear optic materials

;

Localisation / Location

INIST-CNRS, Cote INIST : 13507, 35400012238276.0350

Nº notice refdoc (ud4) : 16185973



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