4.6 Article

Polarity control of intrinsic ZnO films using substrate bias

Journal

APPLIED PHYSICS LETTERS
Volume 103, Issue 4, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.4816509

Keywords

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Funding

  1. Ministry of Education, Culture, Sport, Science and Technology (MEXT), Japan
  2. Japan Society for Promotion of Science (JSPS) [60251617]
  3. SAKURA program

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The structures and properties of zinc oxide thin films deposited by radio-frequency magnetron sputtering were investigated for different substrate biases applied during deposition. The electrical bias determined the crystalline polarity of a nominally undoped film on an amorphous substrate: films with a (0001) surface and a (000 (1) over bar) surface were produced under positive and negative biases, respectively. Moreover, the polarity of the films was determined at an early stage of the deposition and could not be reversed by switching the substrate bias. (C) 2013 AIP Publishing LLC.

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