Magneto-optic spectrum and electronic structure of single-crystal MnBi

Brammeier, Derek Paul; Park, J.-M.; Olson, C. G.; Fisher, I. R.; Lynch, David W.

doi:10.1016/j.jmmm.2004.04.130

Cited by 5 publications

(2 citation statements)

References 27 publications

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“…The calculated band structure and DOS compare reasonably well with previous calculations1014. Also, experimental measurements using photoelectron spectroscopy18 suggest that the occupied electron density peaks around −3 eV below the Fermi level, which is in agreement with Fig. 4.…”

Section: Resultssupporting

confidence: 89%

Theoretical study on the role of dynamics on the unusual magnetic properties in MnBi

Shanavas

Parker

Singh

2014

Sci Rep

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We study the electronic structure and lattice dynamics in the ferromagnet MnBi using first-principles calculations and a tight-binding model. The band structure around the Fermi level is dominated by Bi-p states which are the primary contributors to the magnetic anisotropy energy in the low temperature structure. A tight-binding model consisting of Mn-d and Bi-p states is developed and the parameters are determined from first-principles calculations. Phonon dispersions and elastic moduli exhibit several interesting features. The results imply that the magnetic interaction with the crystal lattice in MnBi is considerably more complex than previously thought and in particular that there is a rich interplay between phonons and magnetism involving both magnetoelastic and magnetostrictive coupling.

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Section: Resultssupporting

confidence: 89%

Theoretical study on the role of dynamics on the unusual magnetic properties in MnBi

Shanavas

Parker

Singh

2014

Sci Rep

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“…However, it was finally abandoned for MO recording purposes because of the high media noise owing to its polycrystalline structure. Only when being in a single crystalline state the MO properties of MnBi still attract interest (Brammeier et al, 2004). Amorphous RE-TM alloys with extremely low media noise have finally served for the development of MO data storage systems passing three generations of media with increasing complexity:…”

Section: Magneto-optical Storage Materialsmentioning

confidence: 99%

Magneto‐optical Materials

Kleemann¹

2007

Handbook of Magnetism and Advanced Magnetic Materials

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After introducing the concepts of linear and nonlinear magneto‐optics in the visible spectral range, the flourishing field of X‐ray circular and linear dichroism is briefly discussed with pertinent examples. The experimental part starts with the basic idea of magneto‐optic ellipsometry and then focuses on the development of new experimental techniques like vector magneto‐optical Kerr effect (MOKE), diffracted MOKE, dynamic MOKE, nonlinear MOKE, and magneto‐optic X‐ray microscopy. Specified and timely material aspects are finally discussed under the topics magneto‐optical storage materials, magnetic semiconductors, antiferromagnets, and magnetophotonic crystals. It is stressed that the magneto‐optical probe is indispensable in the limits of very short times ( femtomagnetism ), that it plays a leading role in the development of spintronics , and that nano‐ and microstructured magnetic materials have opened the new field of magnetophotonics .

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