High Pressure Luminescence and Raman Studies on the Phase Transition of Gd2O3:Eu3+ Nanorods
The cubic Gd2O3:Eu3+ nanorods were synthesized by a hydrothermal method. The SEM image indicated the nanorods with diameter of 30–35 nm and length of 200–500 nm. The structural stability of Gd2O3:Eu3+ nanorods
was investigated by in situ high pressure luminescence and Raman spectra up to 18.9 GPa at room temperature. The results reveals a pressure-induced phase transition from cubic to hexagonal structure at about 11.3 GPa. After releasing pressure, the part of hexagonal structure is retained
and the other transfers to monoclinic phase.
Keywords: GD2O3:EU3+; HIGH PRESSURE; LUMINESCENCE; NANORODS; RAMAN
Document Type: Research Article
Publication date: 01 November 2011
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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