Laser synthesis of new materials

Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/98776

Title:	Laser synthesis of new materials
Authors:	Song, W.D. Hong, M.H. Osipowicz, T. Dai, D.Y. Pang, S.I. Peng, Y.Z. Chong, J.F. An, C.W. Liew, Y.F. Chong, T.C.
Issue Date:	Sep-2004
Citation:	Song, W.D.,Hong, M.H.,Osipowicz, T.,Dai, D.Y.,Pang, S.I.,Peng, Y.Z.,Chong, J.F.,An, C.W.,Liew, Y.F.,Chong, T.C. (2004-09). Laser synthesis of new materials. Applied Physics A: Materials Science and Processing 79 (4-6) : 1349-1352. ScholarBank@NUS Repository.
Abstract:	The dual-beam laser ablation of different targets for synthesizing new materials within the overlapping plasma area has been investigated. This method is termed 'laser synthesis of new materials' and it is flexible in tuning the composition of the new materials by varying the targets, the laser fluence on each target and the input gas as well as the substrate position within the overlapping plasma area. A new Ba-Fe-Y-O magnetic material has been synthesized by this method, which can be written as BaO kFe 2-xY xO 3, where k is either 6 or 11 and x is about 0.4 or 0.9 for BaFe 9.2Y 2.6O 20 or BaFe 12.3Y 9.6O 33.3 material. Both materials are permanent magnets and have hexagonal structure. The lattice parameters a and c are 0.551 nm and 2.337 nm for BaFe 9.2Y 2.6O 20 and 0.747 nm and 2.332 nm for BaFe 12.3Y 9.6O 33.3, respectively.
Source Title:	Applied Physics A: Materials Science and Processing
URI:	http://scholarbank.nus.edu.sg/handle/10635/98776
ISSN:	09478396
Appears in Collections:	Staff Publications

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