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| Reference : Simulated growth and microstructure of DyBa2Cu3O7-X with and without Dy2BaCUO5 addition |
| Scientific journals : Article | |||
| Physical, chemical, mathematical & earth Sciences : Physics | |||
| http://hdl.handle.net/2268/17959 | |||
| Simulated growth and microstructure of DyBa2Cu3O7-X with and without Dy2BaCUO5 addition | |
| English | |
Vandewalle, Nicolas  [Université de Liège - ULg > Département de physique > Physique statistique >] | |
| Cloots, Rudi [Université de Liège - ULg > Département de chimie (sciences) > Chimie inorganique structurale - Doyen de la Faculté des Sciences >] | |
| Ausloos, Marcel [Université de Liège - ULg > Département de physique > Physique statistique appliquée et des matériaux - S.U.P.R.A.S. >] | |
| Feb-1995 | |
| Journal of Materials Research | |
| Subscription Fulfillment, Materials Research Society | |
| 10 | |
| 2 | |
| 268-273 | |
| 0884-2914 | |
| Warrendale | |
| PA | |
| [en] We present optical observations of magnetically melt-textured DyBa2Cu307-x with and without 20 wt. % excess of Dy2BaCu05. From these observations, we propose some kinetic mechanism of the growth of 123 compounds. Kinetic processes can simulated on computers. Two (very) simple models derived from the well-known Eden model are presented. They simulate the growth of the grain front. The simulated patterns agree with the observations. The microstructure of such materials cannot be explained by thermodynamic and chemical considerations alone, but explanations must include the kinetics of the growth front as well. From our observations, we conclude that the growth probability ratios g(110)/g(100)/g(001) are of the order of 10 and 50, respectively. | |
| Researchers ; Professionals ; Students | |
| http://hdl.handle.net/2268/17959 |
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