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Epitaxial growth of three dimensionally structured III-V photonic crystal via hydride vapor phase epitaxy
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2015 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 118, no 22, 224303Article in journal (Refereed) PublishedText
Abstract [en]

Three-dimensional (3D) photonic crystals are one class of materials where epitaxy, and the resultant attractive electronic properties, would enable new functionalities for optoelectronic devices. Here we utilize self-assembled colloidal templates to fabricate epitaxially grown single crystal 3D mesostructured GaxIn1-xP (GaInP) semiconductor photonic crystals using hydride vapor phase epitaxy (HVPE). The epitaxial relationship between the 3D GaInP and the substrate is preserved during the growth through the complex geometry of the template as confirmed by X-ray diffraction (XRD) and high resolution transmission electron microscopy. XRD reciprocal space mapping of the 3D epitaxial layer further demonstrates the film to be nearly fully relaxed with a negligible strain gradient. Fourier transform infrared spectroscopy reflection measurement indicates the optical properties of the photonic crystal which agree with finite difference time domain simulations. This work extends the scope of the very few known methods for the fabrication of epitaxial III-V 3D mesostructured materials to the well-developed HVPE technique.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2015. Vol. 118, no 22, 224303
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Physical Sciences
URN: urn:nbn:se:kth:diva-180605DOI: 10.1063/1.4937273ISI: 000367193100015ScopusID: 2-s2.0-84950115310OAI: diva2:896534

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Available from: 2016-01-21 Created: 2016-01-19 Last updated: 2016-02-08Bibliographically approved

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Manavaimaran, BalajiLourdudoss, SebastianSun, Yan-Ting
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