1 - 10 of 14 articles
A rotating-cyclinder, Couette-type viscometer was built to study particularly the higher velocity regions where previous experiments had indicated a flow pattern that differed from laminar Couette flow. It was of the same type as previous viscometers having an outer cylinder that was rotated at...
The reciprocal dielectric constant of SrTiO3 is found to follow a quadratic temperature law ε−1=A
2 between 10 and 75 K. The strong increase of the maxima pressure shifting in the dielectric constants of SrTiO3 and (Ba
)TiO3 at low temperatures is explained as a consequence of the...
This paper presents electrical resistivity and superconductivity studies for the B1 (NaCl) structure oxides of titanium, vanadium, and niobium. In samples of nominal composition TiO
, and NbO
,x was varied from 0.8 to 1.2. It was found that all three of these oxides exhibit...
We present new measurements of the temperature derivative of the pressure along the superfluid transition line in
He near saturated vapor pressure. These results indicate that the second derivative (∂2P/∂P∂T)λ is finite at saturated vapor pressure. The data agree with earlier measurements by...
We have studied the current hysteresis at 4.2 K in the intermediate state of superconducting lead films using electrical resistance measurements and high-resolution magnetooptical observations of the magnetic flux structure. At low magnetic fields the liquidlike arrangement of the flux structure...
A linear temperature dependence of the specific heat in amorphous solids at very low temperatures is shown to follow from an ionic tunneling model. Moreover, this model predicts both the observed temperature dependence and the magnitude of the thermal conductivity and also explains the anomalous...
Contrary to previous statements in the literature, large deviations from Matthiessen's rule in fine wiresare to be expected on the basis of a straight-forward solution of the ordinary transport equation, assuming the relaxation-time approximation and imposing the idealized condition of “diffuse”...
The low-temperature specific heat of beryllium compounds (Cr-Mn)Be
, and (Fe
, where T represents Cr, Mn, Co, or Ni, was measured between 1.2 and 4.2 K. The variation of the electronic specific heat coefficient γ as a function of the transition-metal...
We report the results of electron paramagnetic resonance experiments on managanese dissolved in MoGa
over the temperature range 293-1.8 K. It is found that both theg shift and the line width show an anomalous sharp concentration independent increase as the temperature is decreased from 100 to...
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