[DENSsolutions] In-situ TEM Biasing experiment Webinar 안내

주식회사유나노텍 2023.09.21 조회 167
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Studying field-induced oxygen vacancy migration in anatase thin films via in situ TEM
Ilustrating image

Dr. Daniel Knez

Physicist & Materials Scientist at Graz University of Technology, Austria

Wednesday, October 25th

10 am CEST

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We’re back with a DENSsolutions Lightning webinar on October 25th featuring Dr. Daniel Knez from Graz University of Technology!


In this upcoming webinar, Dr. Knez will present his latest work using the DENSsolutions Lightning system to study the atomic structure of oxygen-deficient anatase (TiO₂) thin films via in situ biasing TEM.


Anatase's electronic and optical properties are largely determined by the presence of excess electrons, which can be induced by dopants or intrinsic defects such as oxygen vacancies.

The presence of such oxygen vacancies is related to the memristive behavior of anatase. 

Indeed, the structural implications of field-induced oxygen vacancy diffusion in anatase have not yet been studied. 

During this webinar, Dr. Knez will demonstrate the team's experimental approach, which enabled them to apply an E-field parallel to the in-plane direction of the film, 

ultimately shedding light on the underlying mechanisms in electromigration and electroforming in TiO₂ thin films. 

Moreover, Dr. Knez will present strategies to overcome challenges of cross-sectional sample preparation for in situ biasing experiments.

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