Direct Field Effects in Electron Paramagnetic Resonance Hyperfine Spectra

Journal Article · Sun Oct 01 04:00:00 EDT 1961 · Journal of Chemical Physics

DOI:https://doi.org/10.1063/1.1732060· OSTI ID:4830158

Weil, John A.; Anderson, John H.

hyperfine effects from one nucleus is discussed for the case when the nuclear spin interacts appreciably not only with the electron magnetic moment but also directly with the applied magnetic field. The predicted hyperfine structure consists, in general, of 2S(2I + 1)² lines. The angular dependence of the intensities and splittings is investigated; nodes in the splitting are found to be possible even when the eigenvalues of the hyperfine splitting tensor are nonzero. When the direct-field interaction is large, 2I + 1 principal hyperfine lines occur, flanked by weaker outrider lines. Another mechanism for producing outrider lines in high direct fields, the nuclear quadrupole interaction with an electric field gradient, is discussed. Magnetic resonance studies of color centers in germanium-doped quartz demonstrate some of the predicted effects. (auth)

• Research Organization: Argonne National Lab., Ill.
• Sponsoring Organization: USDOE
• NSA Number: NSA-16-001767
• OSTI ID: 4830158
• Journal Information: Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 4 Vol. 35; ISSN JCPSA6; ISSN 0021-9606
• Publisher: American Institute of Physics (AIP)
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ANGULAR DISTRIBUTION
CHEMISTRY
COLOR
ELECTRIC FIELDS
ELECTRONS
GERMANIUM
INTERACTIONS
LATTICES
MAGNETIC FIELDS
MAGNETIC MOMENTS
MAGNETIC RESONANCE
MATHEMATICS
NUCLEAR MODELS
QUARTZ
SPECTRA
SPIN