Presentation 2013-04-25
Formation of laterally-graded Ge based hetero-structure
Ryo MATSUMURA, Taizoh SADOH, Masanobu MIYAO,
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Abstract(in English) Laterally-graded SiGe-on-insulator is the key-structure for next-generation Si-technology, which enables advanced device-arrays with various energy-band-gaps as well as 2-dimensional integration of functional-materials with various lattice-constants. Segregation kinetics in rapid-melting growth of SiGe stripes are investigated in wide ranges of stripe-lengths (10-500μm) and cooling-rates (10-19℃/s). Universal laterally-graded SiGe-profiles obeying Scheil-equation are obtained for all samples with low cooling-rate (10℃/s), which enables robust designing of lateral-SiGe-profiles. For samples with high cooling-rates and long stripe-lengths, anomalous two-step-falling profiles are obtained. Dynamical analysis considering the growth-rate-effects enables comprehensive understanding of such phenomena. This provides the unique tool to achieve modulated lateral-SiGe-profiles beyond Scheil-equation.
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Keyword(in English) SiGe on insulator / rapid-melting growth / Si segregation / laterally graded profile / Scheil equation
Paper # SDM2013-5,OME2013-5
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Conference Information
Committee OME
Conference Date 2013/4/18(1days)
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Registration To Organic Material Electronics (OME)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Formation of laterally-graded Ge based hetero-structure
Sub Title (in English)
Keyword(1) SiGe on insulator
Keyword(2) rapid-melting growth
Keyword(3) Si segregation
Keyword(4) laterally graded profile
Keyword(5) Scheil equation
1st Author's Name Ryo MATSUMURA
1st Author's Affiliation Department of Electronics, Kyushu University()
2nd Author's Name Taizoh SADOH
2nd Author's Affiliation Department of Electronics, Kyushu University
3rd Author's Name Masanobu MIYAO
3rd Author's Affiliation Department of Electronics, Kyushu University
Date 2013-04-25
Paper # SDM2013-5,OME2013-5
Volume (vol) vol.113
Number (no) 18
Page pp.pp.-
#Pages 7
Date of Issue