Electrical Resistivity, Magnetic Susceptibility, Thermoelectric Power Heat Capacity of PtGa2

1988 ◽  
Author(s):  
L. Hsu ◽  
L. W. Zhou ◽  
F. L. Machado ◽  
R. S. Williams
Keyword(s):  
Heat Capacity ◽  
Electrical Resistivity ◽  
Magnetic Susceptibility ◽  
Thermoelectric Power

Electrical Resistivity, Magnetic Susceptibility and Thermoelectric Power of PtGa2

1990 ◽  
Author(s):  
Li-Shing Hsu ◽  
Lu-Wei Zhou ◽  
F. L. Machado ◽  
W. G. Clark ◽  
R. S. Williams
Keyword(s):  
Electrical Resistivity ◽  
Magnetic Susceptibility ◽  
Thermoelectric Power

Occurrence of Superconductivity in Ba-Doped NdSr2(Cu,Mo)3Oz

2003 ◽  
Vol 17 (18n20) ◽  
pp. 3622-3628
Author(s):  
H. K. Lee ◽  
K. D. Kim
Keyword(s):  
Electrical Resistivity ◽  
Magnetic Susceptibility ◽  
Thermoelectric Power ◽  
Carrier Density ◽  
Tetragonal Structure ◽  
Partial Substitution ◽  
X Ray Diffraction ◽  
X Ray ◽  
Occurrence Of Superconductivity ◽  
Power Measurements

Polycrystalline samples of Nd ( Sr 2-y Ba y)( Cu 3-x Mo x) O z (0 ≤ y ≤ 0.5, 0.1 ≤ x ≤ 0.3) with tetragonal structure were synthesized and investigated by powder X-ray diffraction, electrical resistivity, magnetic susceptibility and thermoelectric power measurements. Contrary to the absence of superconductivity of the Ba-free samples, superconductivity can be achieved by partially substituting Ba for Sr in semiconducting NdSr 2( Cu 3-x Mo x) O z (0.15 ≤ x ≤ 0.3). Thermoelectric power measurements reveal that all the samples are in the underdoped state and the partial substitution of Ba for Sr results in an increase of the carrier density on the superconducting layers.

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