Sökning: "metal mobility"

Visar resultat 1 - 5 av 38 uppsatser innehållade orden metal mobility.

1. 1. Design and Modeling of InxGa(1−x)As/InP based Nanosheet Field Effect Transistors for High Frequency Applications

   Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

   Författare :Hanyu Liu; Xi Chen; [2023]
   Nyckelord :nanosheet NS ; gate-all-around GAA ; channel release; parasitic channel; MATLAB; COMSOL; technology node; Technology and Engineering;

   Sammanfattning : The advancement of CMOS technology has been fueled by the need to satisfy Moore’s law by shrinking transistors to progressively smaller sizes and increasing the transistor density per unit area [1]. The dimension of the state-of-the-art MOSFET is now down to a few nanometers. LÄS MER

3. 2. Thin Indium Tin Oxide Layer Development for Crystalline Silicon/Perovskite Two Terminal Tandem Solar Cell

   Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

   Författare :Aravind Srinivasachari; [2023]
   Nyckelord :Indium Tin Oxide; Thin-film characterisation; Magnetron Sputtering; Screen printing; Tandem Solar Cells; Indium-tennoxid; karaktärisering av tunnfilm; magnetronförstoftning; screentryck; tandemsolceller;

   Sammanfattning : ITO is widely regarded as the optimal TCO for serving as front window layer in PSK/c-Si tandem solar cells. It is known to effectively mitigate several stability issues present in perovskite solar cells while demonstrating excellent lateral conductivities and optical transparency across the entire solar spectrum. LÄS MER

4. 3. Development of thick GaN and AlGaN drift layers for vertical power devices

   Master-uppsats, Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

   Författare :Andri Dhora; [2023]
   Nyckelord :Technology and Engineering;

   Sammanfattning : High-quality, thick III-nitride epitaxial drift layers with controlled doping are needed for next-generation highly efficient vertical power devices for a smart grid applications and electrification of mobility. Achieving desirable material properties, such as low background impurity concentrations and reduced dislocation densities in combination with high growth rates, necessary for practical application present a challenge. LÄS MER

5. 4. Efficiency and Roughness Characteristics of Surface Treated Powder Metal Electric Vehicle Gears

   Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

   Författare :Vyshak Mohandas; Sreekuttan Thazhathe Kalathil; [2023]
   Nyckelord :Gear; FZG-test; Electric vehicles; Mechano-Chemical Surface Treatment; Efficiency; Surface Roughness.; Gear; FZG-test; Elfordon; Mekanisk-kemisk ytbehandling; Effektivitet; Ytsträvhet.;

   Sammanfattning : This thesis presents an experimental research study aimed at identifying the optimal mechano-chemical surface treatment for powder metallurgy gears utilized in electric vehicles (EVs). The primary objective of the study is to determine the most effective surface treatment method in terms of enhancing gear transmission efficiency. LÄS MER

7. 5. Fabrication and Characterization of Quantum-well Field Effect Transistor

   Master-uppsats, Lunds universitet/Fysiska institutionen; Lunds universitet/Institutionen för elektro- och informationsteknik

   Författare :Yang Fu; [2022]
   Nyckelord :quantum-well field-effect transistor; InGaAs; subthreshold swing; sheet resistance; contact resistance; electron mobility; Post Metallization Annealing; electrostatic control; Physics and Astronomy;

   Sammanfattning : The project aims to optimize the design and fabrication of InGaAs quantum-well field-effect transistor (QW-FET) by investigating transfer and output characteristics of the QW-FET. This work found a lower source/drain contact resistance solution starting with fabricating micrometer-level gate length transistors. LÄS MER