Published June 1976 | Version v1
Journal article

Molecular beam apparatus with supersonic O2 beam (700--3000 m/sec) for reactive scattering experiments with metal atoms

  • 1. Max-Planck-Institut fur Physik und Astrophysik, Institut fur extraterrestrische Physik, 8046 Garching, West Germany

Description

Design and performance of a heatable, easily alignable Pt-nozzle source (pinhole) are described, providing sufficient O2 intensity in both pure gas and seeded beam operation for crossed beam experiments with metal atoms and mass spectrometric detection. At the chosen skimmer-nozzle distance, nozzle Knudsen numbers around K/subn/approx. =10-2 gave optimum velocity ratio and intensity for all gas mixtures at nozzle temperatures from 300 to 1300 K. The oven design is particularly suited for effusive metal beams at T<1200 K

Additional details

Identifiers

Publishing Information

Journal Title
Review of Scientific Instruments
Journal Volume
47
Journal Issue
6
Series
Rev. Sci. Instrum.
Journal Page Range
667-676
ISSN
0034-6748

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
7266285
Subject category
S74: ATOMIC AND MOLECULAR PHYSICS;
Descriptors DEI
BEAM PRODUCTION; COLLIDING BEAMS; MASS SPECTROSCOPY; MILLI EV RANGE; MOLECULAR BEAMS; NOZZLES; OXYGEN; PERFORMANCE; SUPERSONIC FLOW; VELOCITY
Descriptors DEC
BEAMS; ELEMENTS; ENERGY RANGE; EV RANGE; FLUID FLOW; NONMETALS; SPECTROSCOPY

Optional Information

Notes
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