Search for dissertations about: "Silicon Germanium"

Showing result 1 - 5 of 36 swedish dissertations containing the words Silicon Germanium.

  1. 1. Germanium layer transfer and device fabrication for monolithic 3D integration

    Author : Ahmad Abedin; Mikael Östling; Cor Claeys; KTH; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Monolithic; sequential; 3D; silicon; germanium; wafer bonding; etch back; germanium on insulator; GOI; Ge pFET; low temperature; Sipassivation; pn junction; Kisel; germanium; epitaxi; selektiv; pn-övergång; germanium påisolator; GOI; Ge PFET; bonding; monolitisk; sekventiell; tre dimensionell; 3D; lågtemperarad;

    Abstract : Monolithic three-dimensional (M3D) integration, it has been proposed,can overcome the limitations of further circuits’ performance improvementand functionality expansion. The emergence of the internet of things (IoT) isdriving the semiconductor industry toward the fabrication of higher-performancecircuits with diverse functionality. READ MORE

  2. 2. Silicon Germanium heterojunction bipolar transistors : Large-signal modeling and low-frequency noise characterization aspects

    Author : Staffan Bruce; Uppsala universitet; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; Materials science; Silicon Germanium; SiGe; Heterojunction Bipolar Transistor; HBT; Large-signal modeling; thermal time constant; low-frequency noise: coherence; transimpedance amplifier; Materialvetenskap; Materials science; Teknisk materialvetenskap; Elektronik; Electronics;

    Abstract : In this thesis, aspects of the Silicon Germanium (SiGe) Heterojunction Bipolar Transistor (HBT) are addressed. A physics-based electrical large-signal model including thermal dependence has been developed and is implemented using a commercially available simulator package. READ MORE

  3. 3. Ge/high-k Gates for Monolithic 3D Integration

    Author : Laura Zurauskaite; Per-Erik Hellström; Mikael Östling; Francois Andrieu; KTH; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Germanium; high-k; monolithic; 3D; germanium on insulator; GOI; germanium oxide; GeOx; Si-cap; Si-passivation; interface state density; Dit; low temperature; MOSFET; germanium; hög-permittivitetsdielektrika; monolitisk; 3D; germaniumpå- isolator; GOI; germaniumoxid; GeOx; kiselskikt; kiselpassivering; gränssnittsfälltäthet; Dit; låg temperatur; MOSFET; Informations- och kommunikationsteknik; Information and Communication Technology;

    Abstract : Continuous scaling of transistor dimensions has been in the heart of semiconductorindustry for many years. Recently the scaling has been enabled by various performance boosters which resulted in increased processing complexity and cost, forcing the chip manufacturers to look for some alternative solutions. READ MORE

  4. 4. Applications of Si1-xGex alloys for Ge devices and monolithic 3D integration

    Author : Konstantinos Garidis; Per-Erik Hellström; Mikael Östling; Sten Vollebregt; KTH; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Silicon; germanium; epitaxy; selective; pn junction; germanium on insulator; GOI; Ge PFET; bonding; monolithic; sequential; three dimensional; 3D; low temperature; Informations- och kommunikationsteknik; Information and Communication Technology;

    Abstract : As the semiconductor industry moves beyond the 10 nm node, power consumption constraints and reduction of the negative impact of parasitic elements become important. Silicon germanium (Si1−xGex) alloys have been used to amplify the performance of Si based devices and integrated circuits (ICs) for decades. READ MORE

  5. 5. Horizontal Slot Waveguides for Silicon Photonics Back-End Integration

    Author : Maziar A. M. Naiini; Mikael Östling; Jörge Schulze; KTH; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; silicon photonics; slot waveguides; grating couplers; CMOS tech- nology; high-k; ALD; germanium photodetectors; graphene photodetectors; pho- tonic integrated circuits;

    Abstract : This thesis presents the development of integrated silicon photonic devices. These devices are compatible with the present and near future CMOS technology. High-khorizontal grating couplers and waveguides are proposed. READ MORE