Electronic Transitions Between an Inner Shell and the Virtual Outer Shells of the Ions of the Rare Earths in Crystals

Termaufspaltung in Kristallen

1929 • 1,134 citations

On the Transformation of light into Heat in Solids. I

1931 • 978 citations

Atoms, molecules and quanta

1930 • 117 citations

Das kontinuierliche Wasserstoffspektrum als Lichtquelle f�r Absorptionsversuche im Ultraviolett

1927 • 33 citations

Line Absorption Spectra of Solids at Low Temperatures in the Visible and Ultra-Violet Regions of the Spectrum a Preliminary Study of Gd<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Cl</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>·6<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">H…

1929 • 23 citations

Line Absorption Spectra in Solids at Low Temperatures in the Visible and Ultra-violet Regions of the Spectrum

1929 • 19 citations

Linienspektren

1927 • 14 citations

Interpretation of the Spectra of Rare Earth Crystals

1931 • 11 citations

THE LINE SPECTRA OF IONS IN THE SOLID STATE IN THE VISIBLE AND ULTRAVIOLET REGIONS OF THE SPECTRUM. THE ABSORPTION SPECTRA OF GdBr₃·6H₂O AT ROOM TEMPERATURE AND AT THAT OF LIQUID AIR AND THEIR COMPARISON WITH THOSE OF GdCl₃·6H₂O

1930 • 9 citations