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We have carried out Joule heating measurements on three etched quantum wires (QWRs) of various widths and 2D electron gases (2DEGs) over temperatures ranging from 0.035 K to 20 K. The devices are fabricated in an InAlAs/InGaAs/InAlAs heterostructure with a 25 nm wide
Published in:
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures
(Volume:22
,
Issue:
4
)
Date of Publication: Jul 2004