Fourth order crystal field splitting in rare earth (III) ions

The raising of angular momentum degeneracy of f-Electron terms by cubic crystal fields

1962 • 1,890 citations

Matrix Elements and Operator Equivalents Connected with the Magnetic Properties of Rare Earth Ions

1952 • 1,593 citations

Paramagnetic Resonance and Relaxation of Trivalent Rare-Earth Ions in Calcium Fluoride. I. Resonance Spectra and Crystal Fields

1964 • 281 citations

Magnetic Ordering Properties of Rare-Earth Ions in Strong Cubic Crystal Fields

1963 • 249 citations

The Influence of Crystalline Fields on the Susceptibilities of Salts of Paramagnetic Ions. I. The Rare Earths, Especially Pr and Nd

1932 • 227 citations

Neutron Diffraction Investigation of the Magnetic Properties of Compounds of Rare-Earth Metals with Group V Anions

1963 • 222 citations

Configuration Interaction in Crystal Field Theory

1964 • 111 citations

Crystal-Field Shielding in PrCl3

1963 • 67 citations

Magnetic Characteristics of Lanthanide—Bismuth Compounds

1965 • 62 citations

Evidence for Covalent Bonding from Electron Spin Resonance Spectra of Some Rare-Earth Ions in Single Crystals of Calcium Oxide

1963 • 50 citations

Magnetic Characteristics of Gadolinium, Praseodymium, and Thulium Nitrides

1965 • 50 citations

Electron paramagnetic resonance of the Er3+ ion in magnesium oxide

1964 • 30 citations

Energy levels of rare earth ions in cubic crystal fields

1962 • 14 citations

The ground states and relative stark splittings of some trivalent rare earth ions in the cubic crystal field of calcium fluoride

1964 • 6 citations

Ferromagnetic Resonance of Holmium Nitride

1963 • 4 citations

Concerning the Roots of a Polynomial which Contains a Perturbation Parameter

1964 • 3 citations