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Title: Manipulation of subsurface carbon nanoparticles in Bi 2 Sr 2 CaCu 2 O 8 + δ using a scanning tunneling microscope

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [1];  [1];  [1];  [1];  [2]
  1. Univ. of Northern Iowa, Cedar Falls, IA (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)

In this study, we present evidence that subsurface carbon nanoparticles in Bi₂Sr₂CaCu₂O8+δ can be manipulated with nanometer precision using a scanning tunneling microscope. High resolution images indicate that most of the carbon particles remain subsurface after transport observable as a local increase in height as the particle pushes up on the surface. Tunneling spectra in the vicinity of these protrusions exhibit semiconducting characteristics with a band gap of approximately 1.8 eV, indicating that the incorporation of carbon locally alters the electronic properties near the surface.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704; AC02-98CH10886
OSTI ID:
1193204
Alternate ID(s):
OSTI ID: 1181036
Report Number(s):
BNL-107978-2015-JA; PRBMDO; R&D Project: PO010; KC0201060
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 91, Issue 12; ISSN 1098-0121
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

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Concentric-ring-grating-induced strong terahertz near-field enhancement on a micro-tip journal September 2019

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