Tunneling spectroscopy of graphene using planar Pb probes

Yanjing Li; Nadya Mason

doi:10.1063/1.4775600

Tunneling spectroscopy of graphene using planar Pb probes

Yanjing Li, Nadya Mason

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We show that evaporating lead (Pb) directly on graphene can create high-yield, high-quality tunnel probes, and we demonstrate high magnetic field/low temperature spectroscopy using these probes. Comparisons of Pb, Al, and Ti/Au probes show that after oxidation a well-formed self-limited tunnel barrier is created only between the Pb and the graphene. Tunneling spectroscopy using the Pb probes manifests energy-dependent features such as scattering resonances and localization behavior and can thus be used to probe the microscopic electronics of graphene.

Original language	English (US)
Article number	023102
Journal	Applied Physics Letters
Volume	102
Issue number	2
DOIs	https://doi.org/10.1063/1.4775600
State	Published - Jan 14 2013

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Online availability

10.1063/1.4775600

Library availability

Discover UIUC Full Text

Cite this

@article{2e372e9377a643d5b0bde65d835105ee,

title = "Tunneling spectroscopy of graphene using planar Pb probes",

abstract = "We show that evaporating lead (Pb) directly on graphene can create high-yield, high-quality tunnel probes, and we demonstrate high magnetic field/low temperature spectroscopy using these probes. Comparisons of Pb, Al, and Ti/Au probes show that after oxidation a well-formed self-limited tunnel barrier is created only between the Pb and the graphene. Tunneling spectroscopy using the Pb probes manifests energy-dependent features such as scattering resonances and localization behavior and can thus be used to probe the microscopic electronics of graphene.",

author = "Yanjing Li and Nadya Mason",

note = "Funding Information: This work was supported by the NSF DMR-0906521. We thank M. J. Gilbert for useful discussions. This work was partly carried out in the Materials Research Laboratory Central Facilities (partially supported by the DOE under DE-FG02-07ER46453 and DE-FG02-07ER46471).",

year = "2013",

month = jan,

day = "14",

doi = "10.1063/1.4775600",

language = "English (US)",

volume = "102",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

number = "2",

}

TY - JOUR

T1 - Tunneling spectroscopy of graphene using planar Pb probes

AU - Li, Yanjing

AU - Mason, Nadya

N1 - Funding Information: This work was supported by the NSF DMR-0906521. We thank M. J. Gilbert for useful discussions. This work was partly carried out in the Materials Research Laboratory Central Facilities (partially supported by the DOE under DE-FG02-07ER46453 and DE-FG02-07ER46471).

PY - 2013/1/14

Y1 - 2013/1/14

N2 - We show that evaporating lead (Pb) directly on graphene can create high-yield, high-quality tunnel probes, and we demonstrate high magnetic field/low temperature spectroscopy using these probes. Comparisons of Pb, Al, and Ti/Au probes show that after oxidation a well-formed self-limited tunnel barrier is created only between the Pb and the graphene. Tunneling spectroscopy using the Pb probes manifests energy-dependent features such as scattering resonances and localization behavior and can thus be used to probe the microscopic electronics of graphene.

AB - We show that evaporating lead (Pb) directly on graphene can create high-yield, high-quality tunnel probes, and we demonstrate high magnetic field/low temperature spectroscopy using these probes. Comparisons of Pb, Al, and Ti/Au probes show that after oxidation a well-formed self-limited tunnel barrier is created only between the Pb and the graphene. Tunneling spectroscopy using the Pb probes manifests energy-dependent features such as scattering resonances and localization behavior and can thus be used to probe the microscopic electronics of graphene.

UR - http://www.scopus.com/inward/record.url?scp=84872725632&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84872725632&partnerID=8YFLogxK

U2 - 10.1063/1.4775600

DO - 10.1063/1.4775600

M3 - Article

AN - SCOPUS:84872725632

SN - 0003-6951

VL - 102

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 2

M1 - 023102

ER -

Tunneling spectroscopy of graphene using planar Pb probes

Abstract

ASJC Scopus subject areas

Online availability

Library availability

Related links

Fingerprint

Cite this