Free-standing Al[subscript x]Ga[subscript 1−x]As heterostructures by gas-phase etching of germanium
We outline a facile fabrication technique for the realization of free-standing Al[subscript x]Ga[subscript 1−x]As heterostructures of arbitrary aluminum content. Utilizing xenon difluoride (XeF[subscript 2]) we rapidly and selectively remove a sacrificial germanium (Ge) underlayer in a room temperat...
Main Authors: | Cole, Garrett D., Bai, Yu, Aspelmeyer, Markus, Fitzgerald, Eugene A. |
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Other Authors: | Massachusetts Institute of Technology. Department of Materials Science and Engineering |
Format: | Article |
Language: | en_US |
Published: |
American Institute of Physics (AIP)
2013
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Online Access: | http://hdl.handle.net/1721.1/79626 https://orcid.org/0000-0002-1891-1959 |
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