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16 Jan 2012

Volume 100, Issue 3, Articles (03xxxx)

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Appl. Phys. Lett. 100, 033109 (2012); http://dx.doi.org/10.1063/1.3664636 (3 pages)

Sang H. Yun, Hyung-Seok Lee, Young Ha Kwon, Mats Göthelid, Sang Mo Koo, Lars Wågberg, Ulf O. Karlsson, and Jan Linnros
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Morphology control of Fe films using ordered termination on SrTiO3 surfaces

TeYu Chien (簡德宇), John W. Freeland, and Nathan P. Guisinger

Appl. Phys. Lett. 100, 031601 (2012); http://dx.doi.org/10.1063/1.3679177 (4 pages) | Cited 1 time

Online Publication Date: 18 January 2012

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Long-range nanometer-scale stripe patterns of alternating termination on fractured Nb-doped SrTiO3 surfaces were used as templates to control the Fe film morphology. The as deposited Fe film consisted of a uniform layer of small Fe clusters (∼4 nm) randomly distributed on the surface. After annealing, two distinct morphologies were formed and were directly correlated to the underlying SrO and TiO2 terminated stripes. This behavior is consistent with a higher interfacial energy of the Fe/SrO interface than that of the Fe/TiO2 interface.
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68.55.at Other materials
65.40.gp Surface energy
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