Open AccessGrowth and Optical Properties of Nonpolar ( $10{\bar {1}}0$ ) Zn 1‐ x Co x O Epitaxial Film on a γ ‐LiAlO 2 Substrate
Author(s) -
Wu JihJen,
Lin SianJhang,
Lin WanHsien,
Chou Mitch M.C.,
Chang Liuwen,
Hwang TenHsing,
Chuang ChiaHao,
Chen ChunWei
Publication year - 2011
Publication title -
chemical vapor deposition
Language(s) - English
Resource type - Journals
eISSN - 1521-3862
pISSN - 0948-1907
DOI - 10.1002/cvde.201006871
Subject(s) - x ray photoelectron spectroscopy , epitaxy , crystallography , materials science , substrate (aquarium) , transmission electron microscopy , bar (unit) , analytical chemistry (journal) , thin film , absorption spectroscopy , x ray crystallography , absorption (acoustics) , band gap , diffraction , scanning electron microscope , spectroscopy , chemistry , nanotechnology , optics , chemical engineering , optoelectronics , organic chemistry , oceanography , physics , layer (electronics) , geology , meteorology , engineering , composite material , quantum mechanics
Nonpolar ( $10{\bar {1}}0$ ) Zn 1‐ x Co x O films are grown on γ ‐LiAlO 2 (100) substrates by CVD. X‐ray diffraction (XRD), transmission electron microscopy (TEM), and X‐ray photoelectron spectroscopy (XPS) results reveal that Co atoms become incorporated into the ZnO film via a substitution for Zn, when x ≤ 0.15. The epitaxial relationships between the nonpolar Zn 1‐ x Co x O film and γ ‐LiAlO 2 substrate are [0001] ZnCoO ||[010] LAO and [ $10{\bar {1}}0$ ] ZnCoO ||[100] LAO , as determined by TEM. A decrease in the optical band‐gap of the nonpolar Zn 1‐ x Co x O film with increasing Co content is observed in absorption measurements.
Accelerating Research
Robert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom
Address
John Eccles HouseRobert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom