Auger-electron emission resulting from the annihilation of core electrons with low-energy positrons
Journal Article
·
· Phys. Rev. Lett.; (United States)
We report the first demonstration of positron-induced Auger-electron spectroscopy. A beam of low-energy (10/sup 1/ eV) positrons was used to create core holes at the surface of Ni and Cu by matter-antimatter annihilation. Estimates are developed for the probability of positrons annihilating with a 3p electron and found to be as high as 3.7(7) x 10/sup -2/ in Ni. The implications of the extremely high signal to background are discussed and several important advantages of this process for surface analysis are suggested.
- Research Organization:
- Physics Department, University of Texas, Arlington, Texas 76019
- OSTI ID:
- 6719953
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 61:19; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
656002* -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANNIHILATION
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
AUGER ELECTRON SPECTROSCOPY
BASIC INTERACTIONS
COPPER
ELECTROMAGNETIC INTERACTIONS
ELECTRON SPECTROSCOPY
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
EV RANGE
EV RANGE 01-10
FERMIONS
HOLES
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
METALS
NICKEL
P STATES
PARTICLE INTERACTIONS
POSITRONS
PROBABILITY
SPECTROSCOPY
TRANSITION ELEMENTS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANNIHILATION
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
AUGER ELECTRON SPECTROSCOPY
BASIC INTERACTIONS
COPPER
ELECTROMAGNETIC INTERACTIONS
ELECTRON SPECTROSCOPY
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY LEVELS
ENERGY RANGE
EV RANGE
EV RANGE 01-10
FERMIONS
HOLES
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
METALS
NICKEL
P STATES
PARTICLE INTERACTIONS
POSITRONS
PROBABILITY
SPECTROSCOPY
TRANSITION ELEMENTS