Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/96239
Title: Direct morphology evidence of two-dimensional growth mode in pulsed-laser deposited YBa2Cu3O7-δ thin films
Authors: Xu, S.Y. 
Ong, C.K. 
Zhang, X. 
Keywords: 2D-growth mode
Growth spirals
Pinning centers
PLD
Surface morphology
YBCO thin films
Issue Date: 26-Jun-1998
Source: Xu, S.Y.,Ong, C.K.,Zhang, X. (1998-06-26). Direct morphology evidence of two-dimensional growth mode in pulsed-laser deposited YBa2Cu3O7-δ thin films. Solid State Communications 107 (6) : 273-276. ScholarBank@NUS Repository.
Abstract: Direct evidence of two-dimensional (2D) nucleation and growth mode in laser-ablated c-axis YBa2Cu3O7-δ film deposited on (100) LaAlO3 substrate was observed. The film consisted of uniform rectangle-shaped grains aligning well along the directions of in-plane a/b-axes. The surface of the film was free of growth spirals and almost free of droplets. It showed that the 2D-nucleation and growth mode dominated the entire film deposition process. The film had Jc values in the order of 106 A/cm2 at 77 K, implying that unknown pinning centers other than the screw dislocations should exist. © 1998 Elsevier Science Ltd. All rights reserved.
Source Title: Solid State Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/96239
ISSN: 00381098
Appears in Collections:Staff Publications

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