Curved-lattice epitaxial growth of In(x)Al(1-x)N nanospirals with tailored chirality.
basic_science · Level V
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- Record sourced from PubMed, PMID 25427233.
- Also identified by DOI 10.1021/nl503564k.
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Abstract
Chirality, tailored by external morphology and internal composition, has been realized by controlled curved-lattice epitaxial growth of In(x)Al(1-x)N nanospirals. The curved morphology of the spiral segments is a result of a lateral compositional gradient while maintaining a preferred crystallographic growth direction, implying a lateral gradient in optical properties. Individual nanospirals show an asymmetric core-shell structure with curved basal planes. Mueller matrix spectroscopic ellipsometry shows that the tailored chirality is manifested in the polarization state of light reflected off the nanospirals.
Medical subject headings
- Aluminum Compounds
- Crystallization
- Indium
- Nanoparticles