Winter Semester 2025







PHT.301 Physics of Semiconductor Devices

Winter Semester 2025

Before the lectures the slides will be available at: https://cloud.tugraz.at/index.php/s/5P2peA8JfFW6Kr5
The lectures will be recorded via TUbe

Introduction

October 1, 2025 - Introduction - video, slides (pdf)

Semiconductor Crystals / Intrinsic semiconductors

October 08, 2025 - Crystal structure / Electrons in crystals - slides (pdf)

October 18, 2025 - Intrinsic semiconductors - video, slides (pdf)

Extrinsic semiconductors

October 22, 2025 - Extrinsic semiconductors video, slides (pdf)

Carrier Transport

October 29, 2025 - Carrier transport - video , slides (pdf)

November 5, 2025 - Carrier transport , slides (pdf)

pn Junctions

November 5, 2025 pn-junctions video, slides (pdf)

November 12, 2025 pn-junctions video, slides (pdf)

<p><a href="http://lampz.tugraz.at/~hadley/psd/L6/Vbi.html">Built-in Voltage</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/abrupt.html">Abrupt pn junctions in the depletion approximation</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/linearly_graded.html">A linearly graded pn junction in the depletion approximation</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/pncalc_.html">One-dimensional Poisson solver</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/varactor.html">Varactor</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/longshortdiode.html">Long/short diodes</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/longdiode.html">Long diodes</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/shortdiode.html">Short diodes</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/pnIV.php">PN diode IV characteristics</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/IT_V.php">PN diode Current-Temperature Characteristics</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/VT_I.php">PN diode Voltage-Temperature Characteristics</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/zener_diode.php">Zener diodes</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/esaki.php">Tunnel diodes / Esaki diodes</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/tht.php">x-ray image of a diode</a></p>

Metal-Semiconductor Contacts

November 19, 2025 pn-junctions / Metal-Semiconductor Contacts - video, slides (pdf)

November 27, 2025 Metal-Semiconductor Contacts / JFETs - slides (pdf)

JFETs, MESFETs, MODFETs

December, 2025 JFETs, MESFETs, MODFETs - video, slides (pdf)

MOSFETs

► The lecture stopped this point. Below you can get the material from last year.

December 10, 2025 - MOSFETs: MOS Capacitors - slides (pdf)

December 4, 2023 - MOSFETs: Gradual Channel Approximation, Scaling, Memories - video, slides (pdf)

December 11, 2024 - MOSFETs and the future of microelectronics - video, slides (pdf)

Bipolar transistors

December 18, 2024 - Bipolar transistors - video, slides (pdf)

January 8, 2024 - Heterojunction Bipolar Transistors, Thyristors, Latch-up - video, slides (pdf)

Optoelectronics

January 15, 2025 - Optoelectronics - video, slides (pdf)

January 22, 2025 - Optoelectronics: Solar cells, Laser diodes - video, slides (pdf)

Winter Semester 2024

Winter Semester 2023

Winter Semester 2022