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Morphology of silver on YBa2Cu3O7-δ thin films

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6 Author(s)
Roshko, A. ; Nat. Inst. of Stand. & Technol., Boulder, CO, USA ; Ono, R.H. ; Beall, J.A. ; Moreland, J.
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The morphology of silver layers deposited and annealed on laser-ablated YBa2Cu3O7-δ, films was examined. Silver was found to dewet the YBa2Cu3O7-δ (001) surface on annealing in oxygen and nitrogen. This dewetting behavior may be kinetically inhibited using either thick silver layers or short anneals and low temperatures. Silver layers 70-nm to 2.5-μm thick were studied in films deposited on SrTiO3/sur, LaAlO3, and MgO substrates. Anneal times were varied from 6.5 min to 15 hr at temperatures from 200 to 700°C

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Magnetics, IEEE Transactions on  (Volume:27 ,  Issue: 2 )