Abstract
The pressure dependences of the kinetic properties of TiSe 2 intercalated with cobaltocene (bis- cyclopentadienyl-cobalt, Co Cp 2 ) and cobaltocene itself were measured. Anomalies are revealed in the pressure dependences of the resistance and thermopower (for the intercalated material), which are interpreted as pres- sure-induced structural phase transitions. The main effect of pressure on the molecules of cobaltocene as an individual compound and in the intercalated state is suppression of the intramolecular motion in the form of rotation of the cyclopentadienyl rings. The general character of the pressure effect on the kinetic properties of (Co Cp 2 ) x TiSe 2 agrees well with the assumption that the bonding of the organic molecules to the host lattice is covalent.
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