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DTSTART:20250602T080000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20250602T090000Z
LOCATION:Seminar Room
SUMMARY:ICFO | ROBERT SIMPSON 
CLASS:PUBLIC
DESCRIPTION:Chalcogenide phase change materials (PCMs) display radically di
 fferent properties between their amorphous and crystalline states. The pro
 perty contrast has been exploited in commercially successful data storage 
 systems\, such as DVD-RW and Intel&rsquo\;s Optane memory\, and now simila
 r materials are being studied and developed to steer laser beams\, compute
  using optical neural network schemes\, and form 2D and 3D displays. This 
 talk will start by introducing how we design and optimise these materials 
 and their devices\, and then&nbsp\; I will show our latest results exploit
 ing partial amorphisation (rather than partial crystallisation) to create 
 devices with a multilevel optical response\, and our work beyond PCMs deve
 loping chalcogenide-based sensors and detectors. Finally\, I will wrap up 
 with a discussion on the suitability of PCMs for different optical and pho
 tonics applications.
DTSTAMP:20260625T020210Z
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