Nature
Line Absorption Spectra in Solids at Low Temperatures in the Visible and Ultra-violet Regions of the Spectrum - Nature
FROM extrapolation of X-ray data, it is known that the electrons in the N1 (and N2) shell of the ions of the rare earths possess less energy than those in the 0 shells. Expressed ...
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Letters to the Editor - Nature
OF the many values which have been suggested for D(CO), the high value of 11·1 eV. It should be remembered, however, that Birge–Sponer extrapolations for highly excited states ...
4 days ago
Temperature of 0.085° Abs. reached at Leyden - Nature
H. A. Kramers of Utrecht, announced that they had reached a temperature at least as low as 0.27° K. The method used was the adiabatic demagnetisation of a paramagnetic salt, cerium fluoride ...
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