Abstract
Films of DyBa2Cu3O7-x with transition temperatures as high as 89 K and with nominal thicknesses down to 35 Å have been grown in situ using molecular beam epitaxy employing ozone as a source of reactive oxygen. The process has been successful with a variety of substrates including SrTiO3(100), SrTiO3(110), LaAlO 3(100), MgO(100), and yttria-stabilized zirconia. The films could be imaged with a scanning tunneling microscope at 4.2 K, indicating a conducting surface even at low temperatures.
Original language | English (US) |
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Pages (from-to) | 1911-1913 |
Number of pages | 3 |
Journal | Applied Physics Letters |
Volume | 56 |
Issue number | 19 |
DOIs | |
State | Published - 1990 |