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Recorded Webinars

3rd DLTS User Meeting

Deep Trans in GaN-based Materials
December 6th, 2023
Speakers: Dr. Piotr Kruszewski, Dr. Teimuraz Mchedlidze, Sandhya Tammireddy & Ronald Alexander

Deep-level transient spectroscopy (DLTS) is a powerful and commonly used technique to investigate semiconductor defects' concentration and carrier binding energy by measuring capacitance transients at different temperatures. As such, it is a critical tool for the characterization of all forms of semiconductors. As an enabler of various DLTS modes for highly demanding applications, Zurich Instruments wishes to bring together the community of users facing distinct measurement challenges while sharing core competencies and know-how.

DLTS User Meeting 2022

Zurich Instruments DLTS User Meeting 2022
July 12th, 2022
Speakers: Zurich Instruments team, and hosted by Magdalena Marszalek

Deep level transient spectroscopy (DLTS) is a critical tool for the characterization of semiconductors. In this second edition of the DLTS User Meeting, Zurich Instruments brought together members of the DLTS community, to foster knowledge exchange and to network through scientific talks on the study of defects in Sb2(SSe)3, and in metal halide perovskite solar cells. Detailed tutorials also covered the study of transients and data acquisition. To read the answers to the questions during the live event, take a look at this blog post. To discuss your DLTS challenge, get in touch with Dino Klotz or Meng Li.

Hands-on Electrochemical Impedance Spectroscopy

Hands-on Electrochemical Impedance Spectroscopy | Zurich Instruments Webinar
June 14th, 2022

Would you like to start impedance measurements, but don’t know how? Or do you already use impedance spectroscopy but would like to know more about theory and practice, while also learning some practical tips and tricks?

This webinar introduces the basics of impedance spectroscopy and related analysis, and gives practical hints to avoid common errors. It consists of a tutorial lecture followed by demonstrations showing how to configure a fault-free measurement and how to optimize your setup. This blog post offers a summary of the webinar and includes the presentation as well as the answers to the questions asked during the live event.

Best Practices in Sensor Characterization and Control

Best Practices in Sensor Characterization and Control I Zurich Instruments Webinar
November 9th, 2021
Speakers: Kıvanç Esat

In this webinar, Kıvanç Esat is joined by Dr. Tomás Manzaneque García (TU Delft) to look into the best practices for the characterization of a sensor with lock-in amplifiers. Kıvanç and Tomás cover practical examples including mechanical micro-resonators and optomechanical systems, they show how to set up feedback controllers for maximal precision and review the existing trade-offs between open- and closed-loop operation. A summary of the answers to the questions asked during the live event can be found in this blog post.

Impedance Analysis: Measuring Low and Fast

Impedance Analysis: Measuring Fast and Low I Zurich Instruments Webinar
June 11th, 2020
Speakers: Tim Ashworth

In this webinar, Tim looks at two impedance measurement challenges. In the first case, he shows how to measure equivalent series resistance (ESR) below 1 mOhm and equivalent series inductance (ESL) below 20 nH for a DC-Link capacitor. In the second example, he discusses how to strike a balance between measurement speed and precision in fast capacitance measurements (on the time scale of microseconds) used to investigate the transient behavior of devices and materials. Tim's answers to many of the questions asked during the live session are available here.

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