Freestanding crystalline heterostructure membranes
Journal Article
·
· Physical Review Materials
- Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Stanford Univ., Stanford, CA (United States)
- Cornell Univ., Ithaca, NY (United States); Kavli Institute at Cornell for Nanoscale Science, Ithaca, NY (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
We report the synthesis of millimeter-sized freestanding single-crystal YBa2Cu3O7–x heterostructure membranes with nanoscale thickness. On a SrTiO3 substrate, a heteroepitaxial water-soluble sacrificial layer of Sr3Al2O6 followed by an encapsulated YBa2Cu3O7–x film is grown by pulsed laser deposition. A freestanding YBa2Cu3O7–x heterostructure membrane is obtained by etching the sacrificial layer. As a result, its high crystalline quality is demonstrated via x-ray diffraction, electrical measurements, and scanning transmission electron microscopy.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- AC02-76SF00515; GBMF4415; FA 9550-16-1-0305; DMR-1719875; NSF-MRI-1429155
- OSTI ID:
- 1546733
- Alternate ID(s):
- OSTI ID: 1546368
- Journal Information:
- Physical Review Materials, Vol. 3, Issue 6; ISSN 2475-9953
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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