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ON THE IRREGULAR PROPERTY CHANGES OF RARE-EARTH ELEMENTS (in Russian)

Journal Article · · Geokhimiya (U.S.S.R.) For English translation 1956-63 see Geochemistry (USSR)
OSTI ID:4088231
An attempt was made to show irregularities in the change of some properties of rare-earth elements according to the atomic number. It is shown that deviations from the linear dependence exist in a number of physico-chemical properties and also in dimensional properties of the rare-earth elements. Most frequently the boundaries of structure change of rare-earth compounds of the boundaries stability - unstability, of rare-earth compounds full on Nd, Ho, and Gd (accordingly---29, 15, and 10 cases of 87 considered). These areas, conditionally named crystallochemical unstability areas, coincide with areas of maximum deviation and with the bending point on Gd. The quantitative quantummechanical analysis allows the suggestion that the above mentioned effects are conditioned by a strong spin-orbit interaction. A geochemical supplement of detected effects is given. It is shown that the selectivity of rare-earth element composition in compounds may be connected with the existence of crystallochemical unstability areas. (auth)
Research Organization:
Kornakov Inst. of General and Inorganic Chemistry, Moscow
NSA Number:
NSA-18-013744
OSTI ID:
4088231
Journal Information:
Geokhimiya (U.S.S.R.) For English translation 1956-63 see Geochemistry (USSR), Journal Name: Geokhimiya (U.S.S.R.) For English translation 1956-63 see Geochemistry (USSR) Vol. Vol: No. 1; ISSN GEOKA
Country of Publication:
Country unknown/Code not available
Language:
Russian

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Related Subjects

ATOMIC MODELS
ATOMIC NUMBER
ATOMS
CERIUM
CERIUM COMPOUNDS
CHEMICAL REACTIONS
CHEMISTRY
COMPOUNDS
CONFIGURATION
CRYSTALS
DIAGRAMS
DYSPROSIUM
DYSPROSIUM COMPOUNDS
ELECTRONS
ELEMENTS
ENERGY LEVELS
ERBIUM
ERBIUM COMPOUNDS
EUROPIUM
EUROPIUM COMPOUNDS
GADOLINIUM
GADOLINIUM COMPOUNDS
HOLMIUM
HOLMIUM COMPOUNDS
INTERACTIONS
LANTHANUM
LANTHANUM COMPOUNDS
LATTICES
LUTETIUM
LUTETIUM COMPOUNDS
MATHEMATICS
MOLECULES
NEODYMIUM
NEODYMIUM COMPOUNDS
NUMERICALS
OSCILLATIONS
PRASEODYMIUM
PRASEODYMIUM COMPOUNDS
PROMETHIUM
PROMETHIUM COMPOUNDS
QUANTUM MECHANICS
RARE EARTHS
SAMARIUM
SAMARIUM COMPOUNDS
SPIN
STABILITY
TERBI
TERBIUM