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Title: Freestanding crystalline YB a 2 C u 3 O 7 x heterostructure membranes

Journal Article · · Physical Review Materials
 [1];  [2];  [3];  [1];  [1];  [1];  [3];  [4];  [1]
  1. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Stanford Univ., Stanford, CA (United States)
  3. Cornell Univ., Ithaca, NY (United States); Kavli Institute at Cornell for Nanoscale Science, Ithaca, NY (United States)
  4. 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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