Lowest<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>4</mml:mn><mml:mi>f</mml:mi><mml:mo>→</mml:mo><mml:mn>5</mml:mn><mml:mi>d</mml:mi></mml:math>Transition of Trivalent Rare-Earth Ions in Ca<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>Crystals

The Spectra of the Doubly and Triply Ionized Rare Earths

1963 • 1,033 citations

Absorption Spectra and Chemical Bonding in Complexes

1963 • 351 citations

Survey of the Spectra of the Divalent Rare-Earth Ions in Cubic Crystals

1963 • 322 citations

Electron transfer spectra of lanthanide complexes

1962 • 298 citations

THE SPECTRUM OF TREBLY IONIZED CERIUM

1936 • 105 citations

Free-Ion and Crystalline Spectra of Pr3+ (Pr IV)

1965 • 104 citations

Analysis of the Spectrum of Triply Ionized Praseodymium (Pr iv)

1965 • 93 citations

Spectra of Doubly and Triply Ionized Ytterbium, Yb iii and Yb iv†

1965 • 76 citations

Reflection Spectra of Lanthanides in Cubic Oxides Containing Titanium (IV), Zirconium (IV), Indium (III), Tin (IV), Cerium (IV), and Thallium (III)

1965 • 52 citations

Zeeman Effect in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>4</mml:mn><mml:mi>f</mml:mi><mml:mo>→</mml:mo><mml:mn>5</mml:mn><mml:mi>d</mml:mi></mml:math>Spectrum of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Ce</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>in Ca<mml:math xmlns:mml="http://www.w3.org/1998…

1965 • 22 citations