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Title
Research Staff -
Email
aberg2@llnl.gov -
Phone
(925) 423-0896 -
Organization
Not Available
Research Interests
- Opacities of HED plasmas, lead developer of Opus, an LTE opacity code
- Ab initio calculations with applications in point defects and electron transport properties in semiconductors
- Optical properties of rare-earth ions in host lattices
Ph.D., Physics, Uppsala University, Sweden, 2004
B.S., Physics, Mid Sweden University, Sweden, 1999
- K. Yang, Y. Cao, Y. Zhang, S. Fan, M. Tang, D. Åberg, B. Sadigh, and F. Zhou, "Self-supervised learning and prediction of microstructure evolution with convolutional recurrent neural networks", Patterns 2, 100243 (2021)
- P. Grabowski, D. Åberg, D. Fenn, B. G. Wilson, C. A. Iglesias, M. E. Foord, M. K. G. Kruse, H. Le, P. Minner, and M. Patel, "Opactity table generation", LLNL-TR-822774 (2021)
- C. Linderälv, D. Åberg, and P. Erhart, "Luminescence quenching via deep defect states: A recombination pathway via oxygen vacancies in Ce-doped YAG", Chem. Mater. 33, 73 (2020)
- J. Nilsen, D. Åberg, H. D. Whitley, B. G. Wilson, L. H. Yang, P. A. Sterne, M. W. Däne, M. E. Martin, S. Zhang, and W. R. Johnson, "Role of opacity at the 9 keV back lighter energy used in measuring the equation of state of boron at pressures up to a Gbar", High Energy Density Phys. 37, 100880 (2020)
- D. Åberg, D. Fenn, M. E. Foord, P. E. Grabowski, C. A. Iglesias, M. K. G. Kruse, and B. G. Wilson, "The Opus radiative opacity code, a new implementation of the super-transition array method", LLNL-TR-813832 (2020)
- F. Zhou, B. Sadigh, D. Åberg, Y. Xia, and V. Ozolins, "Compressive sensing lattice dynamics. II. Efficient phonon calculations and long-range interactions", Phys. Rev. B 100, 184309 (2019)
- A. Landa, P. Söderlind, D. Parker, D. Åberg, V. Lordi, A. Perron, P. E. A. Turchi, R. K. Chouhan, D. Paudyal, and Thomas A Lograsso, "Thermodynamics of SmCo5 compound doped with Fe and Ni: An ab initio study", J. Alloys Compd. 765, 659 (2018)
- R. A. Osborne, N. J. Cherepy, D. Åberg, F, Zhou, Z. M. Seeley, S. A. Payne, A. D. Drobshoff, H. A. Comanzo, and A. M. Srivastava, "Ba1−x SrxMg3SiN4: Eu narrowband red phosphor", Opt. Mater. 84, 130 (2018)
- P. Söderlind, A. Landa, I. Locht, D. Åberg, Y. Kvashnin, M. Pereiro, M. Däne, P. E. A. Turchi, V. P. Antropov, and O. Eriksson, "Prediction of the new efficient permanent magnet SmCoNiFe3", Phys. Rev. B 96, 100404 (2017)
- A. Schleife, X. Zhang, Q. Li, P. Erhart, and D. Åberg, "Excitons in scintillator materials: Optical properties and electron-energy loss spectra of NaI, LaBr3, BaI2, and SrI2", J. Mater. Res. 32, 56 (2017)
- K. S. Holliday, T. A. Kohlgruber, I. C. Tran, D. Åberg, Z. M. Seeley, M. Bagge-Hansen, A. M. Srivastava, N. J. Cherepy, and S. A. Payne, "Increased fluorescence intensity in CaTiO3: Pr3+ phosphor due to NH3 treatment and Nb Co-doping", Opt. Mater. 60, 359 (2016)
- F. Zhou, B. Sadigh, P. Erhart, and D. Åberg, "Ab initio prediction of fast non-equilibriumtransport of nascent polarons in SrI2: a key to high-performance scintillation", NPJ Comp. Mat. 2, 1 (2016)
- K. E. Kweon , D. Åberg, and V. Lordi, "First-principles study of atomic and electronic structures of 60◦ perfect and 30◦/90◦ partial glide dislocations in CdTe", Phys. Rev. B 93, 174109 (2016)
- F. Zhou and D. Åberg, "Crystal-field calculations for transition-metal ions by application of an opposing potential", Phys. Rev. B 93, 085123 (2016)
- N. J. Cherepy, S. A. Payne, N. M. Harvey, D. Åberg, Z. M. Seeley, K. S. Holliday, I. C. Tran, F. Zhou, H. P. Martinez, J. M. Demeyer, A. D. Drobshoff, A. M. Srivastava, S. J. Camardello, H. A. Comanzo, D. L. Schlagel, and T. A. Lograsso, "Red-emitting manganese-doped aluminum nitride phosphor", Opt. Mater. 54, 14 (2016)
- B. Sadigh, P. Erhart, and D. Åberg, "Variational polaron self-interaction-corrected total-energy functional for charge excitations in insulators", Phys. Rev. B 92, 075202 (2015)
- M. Däne, S.-K. Kim. M. P. Surh, D. Åberg, and L. X. Benedict, "Density functional theory calculations of magnetocrystalline anisotropy energies for (Fe1–xCox)2B", J. Phys. Condens. Matter 27, 266002 (2015)
- J. C. Crowhurst, J. R. Jeffries, D. Åberg, J. M. Zaug, W. J. Siekhaus, K. S. Holiday, K. B. Knight, A. J. Nelson, and I. D. Hutcheon, "A combined theoretical and experimental investigation of uranium dioxide under high static pressure", J. Phys. Condens. Matter 27, 265401 (2015)
- S.-W. Yu, M. H. Carpenter, F. Ponce, S. Friedrich, J.-S. Lee, P. Olalde-Velasco, W. L. Yang and D. Åberg, "Energy levels of the Ce activator relative to the YAP(Ce) scintillator host", J. Phys. Condens. Matter 27, 185501 (2015)
- P. Erhart, B. Sadigh, A. Schleife, and D. Åberg, "First-principles study of codoping in lanthanum bromide", Phys. Rev. B 91, 165206 (2015)
- A. McAllister, D. Åberg, A. Schleife, E. Kioupakis, "Auger recombination in sodium-iodide scintillators from first principles", Appl. Phys. Lett. 106, 141901 (2015)
- D. Åberg, B. Sadigh, A. Schleife, and P. Erhart, “Origin of resolution enhancement by co-doping of scintil- lators: Insight from electronic structure calculations”, Appl. Phys. Lett. 104, 211908 (2014)
- V. Antropov, L. Ke, and D. Åberg, “Constituents of magnetic anisotropy and a screening of spin-orbit coupling in solids”, Solid. State. Commun. 194, 35 (2014)
- P. Erhart, A. Klein, D. Åberg, and B. Sadigh, “Efficacy of the DFT + U formalism for modeling hole polarons in perovskite oxides”, Phys. Rev. B 90, 035204 (2014)
- P. Erhart, A. Schleife, B. Sadigh, and D. Åberg, “Quasiparticle spectra, absorption spectra, and excitonic properties of NaI and SrI2 from many-body perturbation theory”, Phys. Rev. B 89, 075132 (2014)
- D. Åberg, P. Erhart, and V. Lordi, “Contributions of point defects, chemical disorder, and thermal vibrations to electronic properties of Cd1−xZnxTe alloys”, Phys. Rev. B 88, 045201 (2013)
- Q. Li, R. T. Williams, and D. Åberg, “First principles calculations and experiment predictions for iodine vacancy in SrI2", Phys. Status Solidi 250, 233 (2013)
- D. Åberg, B. Sadigh, and P. Erhart, “Electronic structure of LaBr3 from quasi-particle self-consistent GW calculations”, Phys. Rev. B 85, 125134 (2012)
- B. Sadigh, P. Erhart, D. Åberg, A. Trave, E. Schwegler, and J. Bude, “First-principles calculations of the Urbach tail in the optical absorption spectra of silica glass”, Phys. Rev. Lett. 106, 027401 (2011)
- X. Y. Wang, Y. M. Wang, D. Åberg, P. Erhart, N. Misra, A. Noy A, A. V. Hamza, and J.H. Yang, “Batteryless chemical detection with semiconductor nanowires”, Adv. Mater. 23, 117 (2011)
- P. Erhart, D. Åberg, B. W. Sturm, K.-J. Wu, and V. Lordi, “Theory-guided growth of aluminum antimonide single crystals with optimal properties for radiation detection", Appl. Phys. Lett. 97, 142104 (2010)
- D. Åberg, P. Erhart, J. Crowhurst, J. M. Zaug, A. F. Goncharov, and B. Sadigh, “Pressure-induced phase transition in the electronic structure of palladium nitride”, Phys. Rev. B 82, 104116 (2010)
- P. Erhart, D. Åberg, and V. Lordi, “Extrinsic point defects in aluminum antimonide”, Phys. Rev. B 81, 195216 (2010)
- V. Lordi, P. Erhart, and D. Åberg, “Charge carrier scattering by defects in semiconductors”, Phys. Rev. B 81, 235204 (2010)
- J. Crowhurst, A. Goncharov, B. Sadigh, J. M. Zaug, D. Åberg, Y. Meng, and V. Prakapenka, “Synthesis and characterization of nitrides of iridium and palladium”, J. Mater. Res. 23, 1 (2008)
- D. Åberg, B. Sadigh, J. Crowhurst, and A. F. Goncharov, “Thermodynamic ground states of platinum metal nitrides”, Phys. Rev. Lett. 100, 095501 (2008)
- D. Åberg, P. Erhart, A. J. Williamson, and V. Lordi, “Intrinsic point defects in aluminum antimonide”, Phys. Rev. B 77, 165206 (2008)
- M. Engholm, L. Norin, and D. Åberg, “Strong UV absorption and visible luminescence in ytterbium-doped aluminosilicate glass under UV excitation”, Opt. Lett. 32, 3352 (2007)
- S. Edvardsson, L. Nixin, and D. Åberg, ”The connection between the dynamic intensity model and the vibronic intensity model for f-f transitions”, J. Phys. B: At., Mol. Opt. Phys. 39, 2127 (2006)
- L. X. Nixin, S. Edvardsson, and D. Åberg, ”Dynamic intensity model calculation of vibronic oscillator strengths for Cs2NaNdCl6: A molecular dynamics study”, J. Phys. Chem. B 110, 21424 (2006)
- O. Wessely, P. Roy, and D. Åberg et al., ”Final state effects in the X-ray absorption spectra of La0.7Sr0.3MnO3”, J. Magn. Magn. Mater. 272, 1780 (2004)
- M. Colarieti-Tosti, S. I. Simak, R. Ahuja, L. Nordström, O. Eriksson, D. Åberg et al., ”Origin of magnetic anisotropy of Gd metal”, Phys. Rev. Lett. 91, 157201 (2003)
- D. Åberg, S. Edvardsson, and M. Engholm, ”Direct calculation of correlated absorption amplitudes for Nd:LiYF4”, Phys. Rev. B 68, 195105 (2003)
- O. Wessely, P. Roy, and D. Åberg et al., ”Initial and final state effects in the x-ray absorption process of La1-xSrx MnO3”, Phys. Rev. B 68, 235109 (2003)
- D. Åberg and S. Edvardsson, “Direct calculation of optical absorption amplitudes for trivalent rare-earth ions in LiYF4”, Phys. Rev. B 65, 04511 (2002)
- D. Åberg and S. Edvardsson, “The crystal dependent open-shell polarizability of f-elements: higher order contributions”, J. Alloys Compd. 303, 345 (2000)
- S. Edvardsson and D. Åberg, “The energy matrix using determinantal product states applied to Ho:YAG”, J. Alloys Compd. 303, 280 (2000)
Published Computer Programs
- S. Edvardsson, D. Åberg, and P. Uddholm, ”A program for accurate solutions of two-electron atoms”, Comput. Phys. Commun. 165, 260 (2005)
- S. Edvardsson and D. Åberg, “An atomic program for energy levels of equivalent electrons: lanthanides and actinides”, Comput. Phys. Commun. 133, 396 (2001)