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- Title
Effect of s-, p-, d-, and f-block elements on the structure and properties of ammonium dihydrogen phosphate crystals.
- Authors
Amutha, M.; Ramasamy, G.; Meenakshisundaram, S.; Mojumdar, S.
- Abstract
The influence of the s-, p-, d-, and f-block elements (Cs, Sb, Pd, and Ce) doping on the properties of ammonium dihydrogen phosphate (ADP) crystals has been described. Incorporation of small quantity of dopants into the crystalline matrix is well confirmed by energy dispersive X-ray spectroscopy (EDS) and inductively coupled plasma (ICP) techniques. The reduction in the intensity observed in powder X-ray diffraction (XRD) of doped specimens and slight shifts in vibrational frequencies confirm the lattice stress. Surface morphological changes due to doping of metals are observed by scanning electron microscopy (SEM). The differential scanning calorimetry (DSC) curves show only a slight variation in endothermic peak temperatures. The sharpness of the DSC peaks shows the good degree of crystallinity of the material. The cell parameters have been determined using single crystal XRD analysis of pure ADP and ADP:Cs/ADP:Sb/ADP:Pd/ADP:Ce specimens. The influence of metals on the second harmonic generation (SHG) efficiency is also investigated.
- Subjects
CRYSTAL defects; AMMONIUM compounds; X-ray spectroscopy; INDUCTIVELY coupled plasma spectrometry; X-ray diffraction; OPTICAL properties; SCANNING electron microscopy
- Publication
Journal of Thermal Analysis & Calorimetry, 2011, Vol 104, Issue 3, p949
- ISSN
1388-6150
- Publication type
Article
- DOI
10.1007/s10973-011-1319-x