4.6 Article

Mixed-Mode Electro-Optical Operation of Ge2Sb2Te5 Nanoscale Crossbar Devices

Journal

ADVANCED ELECTRONIC MATERIALS
Volume 3, Issue 8, Pages -

Publisher

WILEY
DOI: 10.1002/aelm.201700079

Keywords

nanodevices; optoelectronics; phase-change materials; phase-change photonics

Funding

  1. Mexican Government [215365]
  2. EPSRC [EP/J018783/1, EP/M015173/1, EP/M015130/1]
  3. EPSRC Manufacturing Fellowship [EP/J018694/1]
  4. CONACYT
  5. EPSRC [EP/M015173/1, EP/J018783/1, EP/M015130/1, EP/J00541X/2, EP/J00541X/1, EP/J018694/1, EP/L01730X/1] Funding Source: UKRI
  6. Engineering and Physical Sciences Research Council [EP/M015130/1, EP/M015173/1, EP/J018783/1, EP/J018694/1] Funding Source: researchfish

Ask authors/readers for more resources

The use of phase-change materials for a range of exciting new optoelectronic applications from artificial retinas to ultrahigh-resolution displays requires a thorough understanding of how these materials perform under a combination of optical and electrical stimuli. This study reports for the first time the complex link between the electronic and optical properties in real-world crossbar nanoscale devices constructed by confining a thin layer of Ge2Sb2Te5 between transparent indium tin oxide electrodes, forming an optical nano-cavity. A novel proof-of-concept device that can be operated by a combination of optical and electrical stimuli is presented, leading the way for the development of further applications based on mixed-mode electro-optical operation.

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