TY - JOUR
T1 - Anomalous behavior of excess energy curves of InxGa1-xN grown on GaN and InN
AU - Kangawa, Y.
AU - Ito, T.
AU - Mori, A.
AU - Koukitu, A.
N1 - Funding Information:
This work was partly supported by JSPS Research for the Future Programs in the Area of Atomic Scale Surface and Interface Dynamics. One of the authors (A.M.) acknowledges the partial support from the Satellite Venture Business Laboratory of the University of Tokushima.
Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2000/12
Y1 - 2000/12
N2 - We worked out the excess energies for bulk InxGa1-xN and InxGa1-xN thin films on GaN and InN in order to investigate their thermodynamic stabilities. It has been found that the excess energy maximum shifted toward x to approximately 0.80 for InGaN/GaN and x to approximately 0.10 for InGaN/InN due to the lattice constraint in contrast with x to approximately 0.50 for bulk. Moreover, it has been revealed that the excess energy for InGaN/GaN is larger than that for bulk at x>0.65. This suggests that In-rich films are less stable on GaN than bulk state. These results indicate that the lattice constraint has a significant influence on thermodynamic stabilities of thin films.
AB - We worked out the excess energies for bulk InxGa1-xN and InxGa1-xN thin films on GaN and InN in order to investigate their thermodynamic stabilities. It has been found that the excess energy maximum shifted toward x to approximately 0.80 for InGaN/GaN and x to approximately 0.10 for InGaN/InN due to the lattice constraint in contrast with x to approximately 0.50 for bulk. Moreover, it has been revealed that the excess energy for InGaN/GaN is larger than that for bulk at x>0.65. This suggests that In-rich films are less stable on GaN than bulk state. These results indicate that the lattice constraint has a significant influence on thermodynamic stabilities of thin films.
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U2 - 10.1016/S0022-0248(00)00845-9
DO - 10.1016/S0022-0248(00)00845-9
M3 - Article
AN - SCOPUS:0034514233
SN - 0022-0248
VL - 220
SP - 401
EP - 404
JO - Journal of Crystal Growth
JF - Journal of Crystal Growth
IS - 4
ER -