Paramagnetic resonance and relaxation of Cu²⁺ and Ni³⁺ in MgO and CaO: The determination of Jahn-Teller energy splittings

J. Mannhart, D.G. Schlom, et al.

Physica C: Superconductivity and its applications

R.K. Kremer, V. Hizhnyakov, et al.

Zeitschrift für Physik B Condensed Matter

J. Mannhart, J.G. Bednorz, et al.

Journal of Alloys and Compounds

K.A. Müller, W. Berlinger, et al.

Physical Review Letters