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Title: Scanning microwave imaging of optically patterned Ge2Sb2Te5

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.5052018· OSTI ID:1504493

The measurement of inhomogeneous conductivity in optically crystallized, amorphous Ge2Sb2Te5 (GST) films is demonstrated via scanning microwave impedance microscopy (MIM). Qualitative consistency with expectations is demonstrated in spots crystallized by focused coherent light at various intensities, exposure times, and film thicknesses. The characterization of process imperfections is demonstrated when a mask is used to optically pattern the nanoscale features of crystalline GST in the amorphous film. In conclusion, these measurements show the ability of MIM to resolve partial crystallization, patterning faults, and other details in optically patterned GST.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515; DMR1305731; GBMF4536
OSTI ID:
1504493
Journal Information:
Applied Physics Letters, Vol. 114, Issue 9; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 3 works
Citation information provided by
Web of Science

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