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Sputter atomization/resonance ionization mass spectrometry for high sensitivity isotopic analysis

Conference ·
OSTI ID:6374338
; ; ; ;
Resonance Ionization Mass Spectrometry (RIMS) combines the selectivity and sensitivity of resonance ionization spectroscopy (RIS) with high performance mass spectrometry. Results from our laboratory and elsewhere have been reported for a variety of elements using thermal vaporization sources to produce the atom reservoir for laser-induced resonance ionization. In this paper we describe the use of ion beam sputtering as an ultrasensitive method of atom formation for RIMS. A commercial ion microprobe mass analyzer (IMMA) has been interfaced with a tunable pulsed dye laser for carrying out resonance ionization mass spectrometry of sputtered atoms. This paper will describe the changes necessary to adapt the IMMA instrument for resonance ionization, along with preliminary results for the elements Sm and U. 14 refs., 5 figs.
Research Organization:
Oak Ridge National Lab., TN (USA)
DOE Contract Number:
AC05-84OR21400
OSTI ID:
6374338
Report Number(s):
CONF-850937-2; ON: DE86002198
Country of Publication:
United States
Language:
English

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Related Subjects

640301* -- Atomic
Molecular & Chemical Physics-- Beams & their Reactions
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
ARGON IONS
CHARGED PARTICLES
COLLISIONS
DATA
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
HEAVY NUCLEI
INFORMATION
INTERMEDIATE MASS NUCLEI
IONS
ISOTOPES
MASS SPECTRA
MASS SPECTROSCOPY
NITROGEN IONS
NUCLEI
NUMERICAL DATA
OXYGEN IONS
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
RESONANCE IONIZATION MASS SPECTROSCOPY
SAMARIUM 152
SAMARIUM ISOTOPES
SPECTRA
SPECTROSCOPY
SPUTTERING
STABLE ISOTOPES
URANIUM 238
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES