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Germanium on Insula...
Germanium on Insulator Fabrication for Monolithic 3-D Integration
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- Abedin, Ahmad (author)
- KTH,Elektronik och inbyggda system
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- Zurauskaite, Laura (author)
- KTH,Elektronik och inbyggda system
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- Asadollahi, Ali (author)
- KTH,Elektronik och inbyggda system
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- Garidis, Konstantinos (author)
- KTH,Elektronik och inbyggda system
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- Jayakumar, Ganesh (author)
- KTH,Elektronik och inbyggda system
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- Malm, B. Gunnar, 1972- (author)
- KTH,Elektronik och inbyggda system
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- Hellström, Per-Erik, 1970- (author)
- KTH,Elektronik och inbyggda system
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- Östling, Mikael (author)
- KTH,Skolan för elektroteknik och datavetenskap (EECS)
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(creator_code:org_t)
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2018
- 2018
- English.
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In: IEEE Journal of the Electron Devices Society. - : IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC. - 2168-6734. ; 6:1, s. 588-593
- Related links:
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https://kth.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- A low temperature (T-max = 350 degrees C) process for Germanium (Ge) on insulator (GOI) substrate fabrication with thicknesses of less than 25 nm is reported in this paper. The process is based on a single step epitaxial growth of a Ge/SiGe/Ge stack on Si, room temperature wafer bonding and an etch-back process using Si0.5Ge0.5 as an etch-stop layer. GOI substrates with surface roughness below 0.5 nm, 0.15% tensile strain, thickness nonuniformity of less than 3 nm and residual p-type doping of less than 1016 cm(-3) were fabricated. Ge pFETs are fabricated (T-max = 600 degrees C) on the GOI wafer with 70% yield. The devices exhibit a negative threshold voltage of -0.18 V and 60% higher mobility than the SOI pFET reference devices.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- GOI
- wafer bonding
- selective etching
- GOI MOSFET
- 3D integration
Publication and Content Type
- ref (subject category)
- art (subject category)
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