Hauptseite > Publikationsdatenbank > High- k Gate Stacks on Low Bandgap Tensile Strained Ge and GeSn Alloys for Field-Effect Transistors > print |
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100 | 1 | _ | |a Wirths, Stephan |0 P:(DE-Juel1)138778 |b 0 |
245 | _ | _ | |a High- k Gate Stacks on Low Bandgap Tensile Strained Ge and GeSn Alloys for Field-Effect Transistors |
260 | _ | _ | |a Washington, DC |c 2015 |b Soc. |
336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1433238631_14912 |2 PUB:(DE-HGF) |
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520 | _ | _ | |a We present the epitaxial growth of Ge and Ge0.94Sn0.06 layers with 1.4% and 0.4% tensile strain, respectively, by reduced pressure chemical vapor deposition on relaxed GeSn buffers and the formation of high-k/metal gate stacks thereon. Annealing experiments reveal that process temperatures are limited to 350 °C to avoid Sn diffusion. Particular emphasis is placed on the electrical characterization of various high-k dielectrics, as 5 nm Al2O3, 5 nm HfO2, or 1 nmAl2O3/4 nm HfO2, on strained Ge and strained Ge0.94Sn0.06. Experimental capacitance–voltage characteristics are presented and the effect of the small bandgap, like strong response of minority carriers at applied field, are discussed via simulations. |
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700 | 1 | _ | |a Breuer, Uwe |0 P:(DE-Juel1)133840 |b 6 |
700 | 1 | _ | |a Baert, Bruno |0 P:(DE-HGF)0 |b 7 |
700 | 1 | _ | |a San Andrés, Enrique |0 P:(DE-HGF)0 |b 8 |
700 | 1 | _ | |a Nguyen, Ngoc D. |0 P:(DE-HGF)0 |b 9 |
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700 | 1 | _ | |a Mantl, Siegfried |0 P:(DE-Juel1)128609 |b 12 |
700 | 1 | _ | |a Buca, Dan Mihai |0 P:(DE-Juel1)125569 |b 13 |e Corresponding Author |u fzj |
773 | _ | _ | |a 10.1021/am5075248 |g Vol. 7, no. 1, p. 62 - 67 |0 PERI:(DE-600)2467494-1 |n 1 |p 62 - 67 |t ACS applied materials & interfaces |v 7 |y 2015 |x 1944-8252 |
856 | 4 | _ | |u http://pubs.acs.org/doi/abs/10.1021/am5075248 |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/189055/files/ACS%20AMI%20%20strained%20GeSn%20MOScaps%202015.pdf |y Restricted |
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