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Effect of pH on the Second Harmonic Emission in Crystals of L-Threonine: KCl and L-Threonine: NaNO3
IDOLINA DEL CARMEN MONARREZ GARCIA
ERASMO ORRANTIA BORUNDA
PEDRO PIZA RUIZ
JOSE ALBERTO DUARTE MOLLER
Acceso Abierto
Sin Derechos Reservados
Second harmonic generation
L-Threonine
Sodium nitrate
Crystals of L-Threonine-Potassium Chloride and L-Threonine-Sodium Nitrate were synthesized from evaporation of aqueous solutions at room temperature. Crystals were characterized by diffraction of X-rays, whose results indicate they crystallize on Orthorhombic system. Infrared Spectroscopy results show crystals are transparent on 400-700nm range, thus making them a feasible candidate for applications of Harmonic Second on the visible region. In Raman, an important contribution of L-Threonine is observed with greater intensity on high pH, mainly at pH 11. From the second harmonic generation chart you can observe that the samples which presented a greater emission of second harmonic were those of Tre-NaNO3 at pH 3, 4 and 10.
2013
Artículo
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OTRAS
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submittedVersion - Versión revisada
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