Neutron depth profiling: Overview and description of NIST facilities
The Cold Neutron Depth Profiling (CNDP) instrument at the NIST Cold Neutron Research Facility (CNRF) is now operational. The neutron beam originates from a 16 L D2O ice cold source and passes through a filter of 135 mm of single crystal sapphire. The neutron energy spectrum may be described by a 65 K Maxwellian distribution. The sample chamber configuration allows for remote controlled scanning of 150 x 150 mm sample areas including the varying of both sample and detector angle. The improved sensitivity over the current thermal depth profiling instrument has permitted the first nondestructive measurements of (17)O profiles. The paper describes the CNDP instrument, illustrates the neutron depth profiling (NDP) technique with examples, and gives a separate bibliography of NDP publications.
- Research Organization:
- National Inst. of Standards and Technology, Gaithersburg, MD (United States)
- OSTI ID:
- 6575776
- Report Number(s):
- PB-93-166890/XAB
- Resource Relation:
- Other Information: Included in Jnl. of Research of the National Institute of Standards and Technology, v. 98, no. 1, p. 109-126 (Jan/Feb 1993)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
COLD NEUTRONS
DIAGNOSTIC USES
LIGHT IONS
NONDESTRUCTIVE ANALYSIS
MEASURING INSTRUMENTS
SPECIFICATIONS
BOLTZMANN STATISTICS
BORON
LITHIUM
MAXWELL EQUATIONS
NITROGEN
OXYGEN
RESEARCH PROGRAMS
SAPPHIRE
SILICON
TEMPERATURE EFFECTS
ALKALI METALS
BARYONS
CHARGED PARTICLES
CHEMICAL ANALYSIS
CORUNDUM
DIFFERENTIAL EQUATIONS
ELEMENTARY PARTICLES
ELEMENTS
EQUATIONS
FERMIONS
HADRONS
IONS
METALS
MINERALS
NEUTRONS
NONMETALS
NUCLEONS
OXIDE MINERALS
PARTIAL DIFFERENTIAL EQUATIONS
SEMIMETALS
USES
440103* - Radiation Instrumentation- Nuclear Spectroscopic Instrumentation
664200 - Spectra of Atoms & Molecules & their Interactions with Photons- (1992-)
665100 - Nuclear Techniques in Condensed Matter Physics - (1992-)