Fields of Study Mineral physics, computational mineralogy, properties of the lower mantle
Geophysics Group web page
https://secure.geo.lsa.umich.edu/groups/geophysics/
Computational Mineralogy Group web page
http://www.geo.lsa.umich.edu/compmin/
Publications
Bengtson A, Li J, and Morgan D, Mössbauer Modeling to Interpret the Spin State of Iron in (Mg,Fe)SiO3 Perovskite. Geophysical Research Letters. v.36, L15301, doi:10.1029/2009GL038340 (2009)
* Shim S-H, Bengtson A, Morgan D, Sturhahn W, Catalli K , Zhao J, Lerche M, Prakapenka V, Electronic and magnetic structures of the postperovskite-type Fe2O3 and Implications for planetary magnetic records and deep interiors. PNAS, doi:10.1073/pnas.0808549106 (2009)
Bengtson A, Persson K, Morgan D, Ab initio study of the composition dependence of the pressure-induced spin crossover in perovskite (Mg1-x,Fex)SiO3. Earth and Planetary Science Letters, 265, 3-4,
535-545 (2008)
Zhang C, Zhu J, Bengtson A, Morgan D, Zhang F, Yang Y, Chang YA, Thermodynamic modeling of the Cr-Pt binary system using the cluster/ site approximation coupling with first-principles energetics calculation. Acta Materialia. v.56, 19, 5796-5803 (2008)
Zhang C, Zhu J, Bengtson A, Morgan D, Zhang F, Cao WS, Chang YA, Modeling of phase stability of the fcc phases in the Ni-Ir-Al system using the cluster/site approximation method coupling with first- principles calculations. Acta Materialia. v.56, 11, 2576-2584 (2008)
* Yang JJ, Bengtson A, Ji C-X, Morgan D, Chang YA, Origin of the dependence of magnetoresistance on the composition of Co100-xFex electrodes in magnetic tunnel junctions. Journal of Applied Physics. v.
103, 5, 056102 (2008)
* Yang JJ, Bengtson A, Ji C-X, Morgan D, Chang YA, Crystal structure effect of ferromagnetic electrode on tunneling magnetoresistance. Acta Materialia. v.56, 7, 1491-1495 (2008)
Persson K, Bengtson A, Ceder G, Morgan D, Ab initio study of the composition dependence of the pressure-induced spin transition in the (Mg1-x,Fe-x)O system. Geophysical Research Letters, v.33, 16, L16306
(2006)
* These studies were joint experimental-computational work. I was the first author on the computational work.
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