Chemical effects of nuclear transformations in mixed crystals. 7. Chemical effects of the /sup 35/Cl(n,. gamma. )/sup 36/Cl nuclear reaction in K/sub 2/ReCl/sub 6/-K/sub 2/ReBr/sub 6/ mixed crystals
Journal Article
·
· J. Phys. Chem.; (United States)
The solid-state reactions occurring during the moderation of recoiling /sup 36/Cl, produced by the (n,..gamma..) reaction, have been studied in K/sub 2/ReCl/sub 6/-K/sub 2/ReBr/sub 6/ mixed crystals. The main reaction products are Re/sup 36/ClCl/sub 5//sup 2 -/, Re/sup 36/ClBr/sub 5//sup 2 -/, and /sup 36/Cl/sup -/, but the more intimately mixed species Re/sup 36/ClCl/sub n/Br/sub 5-n//sup 2 -/ (n = 1, 2, 3, 4) are found in significant amounts. The production of the different recoil-labeled species can be explained by elementary impact models: 6% of the recoils do not leave their original lattice site (primary retetion); between 6% and 23%, dependent upon the mixed-crystal composition, appear as interstitials; 31 to 48% give rise to direct displacement reactions of one halide ligand; and 40% produce larger disruption by substitution of at least two halide ligands. The results have been compared with Roessler's /sup 38/Cl recoil experiments.
- Research Organization:
- Chemisches Laboratorium der Universitaet, Freiberg, Germany
- OSTI ID:
- 6070970
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 85:23; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400701* -- Radiochemistry & Nuclear Chemistry-- Hot-Atom Chemistry
ALKALI METAL COMPOUNDS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BROMIDES
BROMINE COMPOUNDS
CHEMISTRY
CHLORIDES
CHLORINE 36
CHLORINE COMPOUNDS
CHLORINE ISOTOPES
CRYSTALS
DATA
ELECTRON CAPTURE RADIOISOTOPES
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HOT ATOM CHEMISTRY
INFORMATION
ISOTOPES
LIGHT NUCLEI
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
POTASSIUM BROMIDES
POTASSIUM CHLORIDES
POTASSIUM COMPOUNDS
RADIOCHEMISTRY
RADIOISOTOPES
RECOILS
RHENIUM BROMIDES
RHENIUM CHLORIDES
RHENIUM COMPOUNDS
RHENIUM HALIDES
TRANSITION ELEMENT COMPOUNDS
YEARS LIVING RADIOISOTOPES
400701* -- Radiochemistry & Nuclear Chemistry-- Hot-Atom Chemistry
ALKALI METAL COMPOUNDS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BROMIDES
BROMINE COMPOUNDS
CHEMISTRY
CHLORIDES
CHLORINE 36
CHLORINE COMPOUNDS
CHLORINE ISOTOPES
CRYSTALS
DATA
ELECTRON CAPTURE RADIOISOTOPES
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HOT ATOM CHEMISTRY
INFORMATION
ISOTOPES
LIGHT NUCLEI
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
POTASSIUM BROMIDES
POTASSIUM CHLORIDES
POTASSIUM COMPOUNDS
RADIOCHEMISTRY
RADIOISOTOPES
RECOILS
RHENIUM BROMIDES
RHENIUM CHLORIDES
RHENIUM COMPOUNDS
RHENIUM HALIDES
TRANSITION ELEMENT COMPOUNDS
YEARS LIVING RADIOISOTOPES