Crystallographic alignment of ZnO nanorod arrays on Zn2GeO4 nanocrystals : promising lattice-matched substrates

• Main Authors: Yan, Chaoyi, Lee, Pooi See
• Other Authors: School of Materials Science & Engineering
• Format: Article
• Language: English
• Published: 2012
• Subjects: DRNTU::Science::Chemistry::Crystallography::Crystal structure and growth
• Online Access: https://hdl.handle.net/10356/94416; http://hdl.handle.net/10220/8497
• Institution: Nanyang Technological University

We demonstrated that ternary Zn2GeO4 crystals could be used as potential lattice-matched substrates for ZnO nanorod array growth. Single-crystalline Zn2GeO4 nanowires were used as substrates for crystallographic alignment of ZnO nanorod arrays. Structural characterization verified the heteroepitaxial growth between the ZnO c-plane and Zn2GeO4 side facets, which was attributed to the small lattice mismatches. The semiconducting Zn2GeO4 crystals are of potential interest as novel alternative substrates for ZnO nanorod array growth.