Synthesis, Structure and Characterization of Nd2XCd2-3XSiO4(0.01≤X≤0.21) Solid-Solutions

Ramesh, S.; Das, B.B.

doi:10.5012/jkcs.2011.55.3.502

Cited by 11 publications

(3 citation statements)

References 24 publications

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“…The electron spin resonance of Ti 3+ (d 1 ) ions has been detected in only a few cases. Generally, Ti 3+ (d 1 ) ions excited states are closer to the ground state in octahedral and tetrahedral symmetry in this case EPR lineshapes can only be detected at liquid-helium temperatures due to a very short spin-lattice relaxation time [24,32]. Consequently, the sample B1 shows broad unresolved hyperfine line at most temperatures.…”

Section: Resultsmentioning

confidence: 99%

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Sol-Gel Synthesis and Characterization of Nanoparticles

Ramesh

2013

Journal of Nanoscience

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The nanoparticles have been synthesized by sol-gel technique. X-ray diffraction, scanning electron microscopy, optical absorption spectroscopy, and electron paramagnetic resonance spectroscopy were used to characterize the sample. The X-ray diffraction results indicate the formation of nanocrystalline materials in tetragonal lattice with P42/nnm space group. The identical distribution of elements were confirmed by scanning electron microscopy with energy dispersive X-ray spectrometry and X-ray mapping. Electron paramagnetic resonance lineshapes of the samples are obtained at various (13 K, 77 K, and 300 K) temperatures. The isotropic lineshapes of the sample B1 are attributed to dipole-dipole interaction of Ti3+ ions. The incorporation of Al3+ ions into the sample B2–B5 the isotropic nature of the lineshapes are collapsed due to the distraction in crystal field. Optical absorption spectra results reveal the presence of Ag-TiO2 nanoparticles.

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Section: Resultsmentioning

confidence: 99%

“…Diffractograms were collected over 2 -range 5-80 with 0.02 steps. Unit cell dimensions and initial structural refinements were carried out by Rietveld package FullProf 2003 [24]. SEM images were recorded using Hitchi-S3400 instrument operated at 20 kV, and EDX was done by a SUPER DRYER II instrument.…”

Section: Characterizationmentioning

confidence: 99%

Sol-Gel Synthesis and Characterization of Nanoparticles

Ramesh

2013

Journal of Nanoscience

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“…Literature has also reports on the EMR [3], [4], [5], [6 ], [7,], [8] and [9] and optical properties [10], [11] and [12] of Co 2+ (3d 7 ) ions doped in various diamagnetic oxide matrices or in oxide matrices with other magnetic transition metal or rare-earth ions [13] in varied coordination geometries . We also reported earlier on EMR and optical properties of Nd 3+ (4f 3 ) ions in diamagnetic oxide matrices [14] and [15].…”

Section: Introductionmentioning

confidence: 99%