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Temperature Dependence of Electrical Conductivity in Films of Fine Particles
The dc electrical resistance of films of Ag and Al soot which consists of fine particles has been measured between 1.5 and 300 K. The specimens are prepared by the gas evaporation method. TheExpand
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D.C. Electric Conductivity in Films of Aluminum Fine Particles Prepared by Evaporation in Helium Gas
It was reported in a previous paper that aluminum granular films prepared by means of gas evaporation in helium showed enhanced superconductivity. In the present experiment, a temperature dependenceExpand
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Surface Oxide Film of Metallic Small Particle
The relationship between the particle size and the thickness of the surface oxide film was investigated in the metallic small particles of Al, Mg, Zn, Sn and Be by the thermogravimetric analysis. ItExpand
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Magnetic Property of CoO Ultrafine Particle
The effect of the decrease in the coordination number of atoms in surface on the magnetic transition temperature was investigated experimentally and theoretically for CoO ultrafine particles. TheExpand
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Superconducting Transition Temperature of Aluminium Fine Particles
The superconducting transition temperature T c of films of aluminium fine particles deposited by gas evaporation method was determined by measuring dc electrical resistance. The observed values of TExpand
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Antiferromagnetic Transition Temperature of MnO Ultrafine Particle
The size dependence of Neel temperature T N of MnO ultrafine particles in LiF matrix with the average size range from 4.0 nm to 5.4 nm was investigated through the temperature dependence of the ESRExpand
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Magnetic Property of Antiferromagnetic MnO Ultrafine-Particle
Superparamagnetism was observed in antiferromagnetic MnO ultrafine-particles with the size range of 3.7∼5.4 nm. The decrease of Neel temperature in these finite systems was confirmed by measuring theExpand
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Magnetic property of NiO ultrafine particles with a small Ni core
The magnetic nature of a NiO shell and a Ni core were separately investigated in the temperature dependence of the magnetization curve of the samples with the average sizes of 1.6, 2.0, 2.2, 2.5,Expand
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ESR Observations in Small Particles of Palladium and Their Origins
The ESR signal observed in small particles of palladium with the passivated surface was investigated in various temperatures and sizes. We assigned the signal to the overlap of the spin wave andExpand
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Enhanced Superconductivity in Layers of Ga Fine Particles
In layers of Ga fine particles prepared by gas evaporation technique, the temperature dependence of dc electric resistance was measured for average diameters of 22–56 nm. The resistance versusExpand
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