Neutron diffraction experiments on ordered silver nuclei at Picokelvin temperatures
Creators
- 1. Low Temperature Laboratory, Helsinki University of Technology, Espoo (Finland)
- 2. Physics Department, Risoe National Laboratory, Roskilde (Denmark)
- 3. Institut fuer Physik, Johannes Gutenberg Universitaet, Mainz (Germany, F.R.)
- 4. Hahn-Meitner Institut, Berlin (Germany, F.R.)
- 5. Research Institute for Theoretical Physics, University of Helsinki, Helsinki (Finland)
Description
Nuclear spins in silver constitute an ideal antiferromagnetic spin - 1/2 model system in an fcc lattice. The nuclei are well localized and the interactions coupling the spins can be calculated from first principles. Strong quantum effects are expected owing to spin - 1/2. The magnetic phase diagram of the system has been investigated by several theoretical methods. In the present study the feasibility of neutron diffraction experiments on nuclear magnetic order in silver is discussed. The requirements for cryogenics and for neutron equipment are based on experience with current NMR measurements on sivler and with neutron diffraction work on copper. It is concluded that an experiment using an isotopically enriched specimen of either 107Ag or 109Ag is feasible but difficult. (author) 1 tab., 16 ills., 38 refs
Availability note (English)
MF available from INIS under the Report Number; Also available from Risoe Library, DK-4000 Roskilde.
Files
Restricted
The record is publicly accessible, but files are restricted to users with access.
Additional details
Additional titles
- Subtitle (English)
- A feasibility study
Publishing Information
- ISBN
- 87-550-1649-9
- Imprint Pagination
- 36 p.
- Report number
- RISO-M--2874
INIS
- Country of Publication
- Denmark
- Country of Input or Organization
- Denmark
- INIS RN
- 22010593
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- COPPER; CRYOSTATS; FEASIBILITY STUDIES; NEUTRON DIFFRACTION; NUCLEAR MAGNETIC RESONANCE; NUCLEAR MAGNETISM; SILVER; SILVER 107; SILVER 109; SPIN ORIENTATION
- Descriptors DEC
- COHERENT SCATTERING; CONTROL EQUIPMENT; DIFFRACTION; ELEMENTS; EQUIPMENT; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTO; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; MAGNETIC RESONANCE; MAGNETISM; METALS; NUCLEI; ODD-EVEN NUCLEI; ORIENTATION; RADIOISOTOPES; RESONANCE; SCATTERING; SECONDS LIVING RADIOISOTOPES; SILVER ISOTOPES; STABLE ISOTOPES; THERMOSTATS; TRANSITION ELEMENTS