TY - JOUR
T1 - Dynamically Stabilized Growth of Polar Oxides
T2 - The Case of MgO(111)
AU - Lazarov, Vlado K.
AU - Cai, Zhuhua
AU - Yoshida, Kenta
AU - Zhang, K. Honglian L.
AU - Weinert, M.
AU - Ziemer, Katherine S.
AU - Hasnip, Philip J.
AU - Lazarov, Vlado
PY - 2011/7/28
Y1 - 2011/7/28
N2 - By using MgO(111) as a model system for polar oxide film growth, we show by first-principles calculations that H acts as a surfactant, i.e., the H changes its position and bonding during the growth process, remaining in the surface region. Continuous presence of H during the growth of MgO(111) film efficiently removes the microscopic dipole moment, thus enabling the growth of perfect fcc-ordered MgO(111) films. These theoretical predictions are confirmed experimentally by molecular beam epitaxy single crystal growth of MgO(111) on SiC(0001).
AB - By using MgO(111) as a model system for polar oxide film growth, we show by first-principles calculations that H acts as a surfactant, i.e., the H changes its position and bonding during the growth process, remaining in the surface region. Continuous presence of H during the growth of MgO(111) film efficiently removes the microscopic dipole moment, thus enabling the growth of perfect fcc-ordered MgO(111) films. These theoretical predictions are confirmed experimentally by molecular beam epitaxy single crystal growth of MgO(111) on SiC(0001).
KW - SURFACE
KW - FILMS
UR - http://www.scopus.com/inward/record.url?scp=79961110320&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.107.056101
DO - 10.1103/PhysRevLett.107.056101
M3 - Article
SN - 0031-9007
VL - 107
SP - 1
EP - 5
JO - Physical Review Letters
JF - Physical Review Letters
IS - 5
M1 - 056101
ER -