N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology

We present a new method to fabricate N-face GaN/AlGaN high electron mobility transistors (HEMTs). These devices are extremely promising for ultrahigh frequency applications where low contact resistances and excellent carrier confinement are needed. In this letter, the N-face of a Ga-face AlGaN/GaN e...

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Main Authors: Chung, Jinwook, Piner, Edwin L., Palacios, Tomas
Other Authors: Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Format: Article
Language:en_US
Published: Institute of Electrical and Electronics Engineers 2010
Subjects:
Online Access:http://hdl.handle.net/1721.1/52727
https://orcid.org/0000-0002-2190-563X
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author Chung, Jinwook
Piner, Edwin L.
Palacios, Tomas
author2 Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
author_facet Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Chung, Jinwook
Piner, Edwin L.
Palacios, Tomas
author_sort Chung, Jinwook
collection MIT
description We present a new method to fabricate N-face GaN/AlGaN high electron mobility transistors (HEMTs). These devices are extremely promising for ultrahigh frequency applications where low contact resistances and excellent carrier confinement are needed. In this letter, the N-face of a Ga-face AlGaN/GaN epilayer grown on Si (111) is exposed by removing the Si substrate. To provide mechanical support, prior to the substrate removal, the Ga-face of the wafer is bonded to a Si (100) carrier wafer. The resultant N-face GaN/AlGaN heterostructures exhibited record transport properties (mu[subscript e] = 1670 cm[superscript 2]/Vmiddots, n[subscript s] = 1.6 times 10[superscript 13]/ cm[superscript 2], and R[subscript sh] = 240 Omega/sq). These excellent transport properties rendered N-face HEMTs with 30% higher maximum drain current than Ga-face HEMTs and good RF characteristics (f[subscript T] = 10.7 GHz middotmum and f[subscript max] = 21.5 GHzmiddotmum), comparable to state-of-the-art Ga-face devices.
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spelling mit-1721.1/527272022-09-28T12:41:22Z N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology Chung, Jinwook Piner, Edwin L. Palacios, Tomas Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology. Microsystems Technology Laboratories Palacios, Tomas Chung, Jinwook Palacios, Tomas GaN N-face GaN high electron mobility transistor (HEMT) hydrogen silsesquioxane (HSQ) adhesive bonding layer transfer silicon substrate We present a new method to fabricate N-face GaN/AlGaN high electron mobility transistors (HEMTs). These devices are extremely promising for ultrahigh frequency applications where low contact resistances and excellent carrier confinement are needed. In this letter, the N-face of a Ga-face AlGaN/GaN epilayer grown on Si (111) is exposed by removing the Si substrate. To provide mechanical support, prior to the substrate removal, the Ga-face of the wafer is bonded to a Si (100) carrier wafer. The resultant N-face GaN/AlGaN heterostructures exhibited record transport properties (mu[subscript e] = 1670 cm[superscript 2]/Vmiddots, n[subscript s] = 1.6 times 10[superscript 13]/ cm[superscript 2], and R[subscript sh] = 240 Omega/sq). These excellent transport properties rendered N-face HEMTs with 30% higher maximum drain current than Ga-face HEMTs and good RF characteristics (f[subscript T] = 10.7 GHz middotmum and f[subscript max] = 21.5 GHzmiddotmum), comparable to state-of-the-art Ga-face devices. United States. Office of Naval Research (MINE MURI Program) 2010-03-18T19:45:10Z 2010-03-18T19:45:10Z 2009-01 2008-11 Article http://purl.org/eprint/type/JournalArticle 0741-3106 INSPEC Accession Number: 10467329 http://hdl.handle.net/1721.1/52727 Chung, J.W., E.L. Piner, and T. Palacios. “N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology.” Electron Device Letters, IEEE 30.2 (2009): 113-116. © 2009 Institute of Electrical and Electronics Engineers https://orcid.org/0000-0002-2190-563X en_US http://dx.doi.org/10.1109/LED.2008.2010415 IEEE Electron Device Letters Article is made available in accordance with the publisher’s policy and may be subject to US copyright law. Please refer to the publisher’s site for terms of use. application/pdf Institute of Electrical and Electronics Engineers IEEE
spellingShingle GaN
N-face GaN
high electron mobility transistor (HEMT)
hydrogen silsesquioxane (HSQ) adhesive bonding
layer transfer
silicon substrate
Chung, Jinwook
Piner, Edwin L.
Palacios, Tomas
N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology
title N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology
title_full N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology
title_fullStr N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology
title_full_unstemmed N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology
title_short N-Face GaN/AlGaN HEMTs Fabricated Through Layer Transfer Technology
title_sort n face gan algan hemts fabricated through layer transfer technology
topic GaN
N-face GaN
high electron mobility transistor (HEMT)
hydrogen silsesquioxane (HSQ) adhesive bonding
layer transfer
silicon substrate
url http://hdl.handle.net/1721.1/52727
https://orcid.org/0000-0002-2190-563X
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