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A. J. Freeman

Active 1961–2015

60
Papers
28,684
Citations
59
h-index
60
i10-index

Citations

Citations per year for A. J. Freeman1965: 1 citations1966: 6 citations1967: 1 citations1968: 6 citations1970: 6 citations1971: 9 citations1972: 8 citations1973: 6 citations1974: 9 citations1975: 6 citations1976: 9 citations1977: 8 citations1978: 2 citations1979: 5 citations1980: 7 citations1981: 9 citations1982: 11 citations1983: 14 citations1984: 12 citations1985: 22 citations1986: 18 citations1987: 49 citations1988: 38 citations1989: 35 citations1990: 42 citations1991: 29 citations1992: 12 citations1993: 15 citations1994: 17 citations1995: 19 citations1996: 23 citations1997: 13 citations1998: 16 citations1999: 31 citations2000: 16 citations2001: 23 citations2002: 23 citations2003: 23 citations2004: 37 citations2005: 32 citations2006: 34 citations2007: 35 citations2008: 45 citations2009: 33 citations2010: 26 citations2011: 34 citations2012: 37 citations2013: 28 citations2014: 50 citations2015: 73 citations2016: 137 citations2017: 115 citations2018: 95 citations2019: 81 citations2020: 70 citations2021: 59 citations2022: 27 citations2023: 22 citations2024: 16 citations2025: 8 citations1969: no citations, so this year is not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 579 citing papers, 28.5% of this breakdownChina: 242 citing papers, 11.9% of this breakdownGermany: 168 citing papers, 8.3% of this breakdownJapan: 121 citing papers, 5.9% of this breakdownUnited Kingdom: 114 citing papers, 5.6% of this breakdownSwitzerland: 70 citing papers, 3.4% of this breakdownFrance: 68 citing papers, 3.3% of this breakdownItaly: 58 citing papers, 2.9% of this breakdownSouth Korea: 52 citing papers, 2.6% of this breakdownCanada: 38 citing papers, 1.9% of this breakdownSingapore: 38 citing papers, 1.9% of this breakdownSweden: 37 citing papers, 1.8% of this breakdown
0%28.5%Other 22%

Institutions

Fields

  • Engineering34.7%
  • Physics and Astronomy27.3%
  • Materials Science23.7%
  • Energy4.2%
  • Chemistry2.9%
  • Computer Science1.7%
  • Other5.5%

Topics

  • Perovskite Materials and Applications10.3%
  • Quantum Dots Synthesis And Properties4.8%
  • Chalcogenide Semiconductor Thin Films4%
  • Advanced Chemical Physics Studies4%
  • Solid-state spectroscopy and crystallography3.8%
  • Physics of Superconductivity and Magnetism3.5%
  • Other69.6%

Coauthors

All papers

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  1. Binding energy and electronic structure of small copper particles

    Authors: B. Delley, D. E. Ellis, A. J. Freeman, Evert Jan Baerends, Doeke Post - Physical review. B, Condensed matter 1983 cited by 419

  2. Hidden spin polarization in inversion-symmetric bulk crystals

    Authors: Xiuwen Zhang, Qihang Liu, Jun‐Wei Luo, A. J. Freeman, Alex Zunger - Nature Physics 2014 cited by 558

  3. Full-potential self-consistent linearized-augmented-plane-wave method for calculating the electronic structure of molecules and surfaces:O2molecule

    Authors: E. Wimmer, Henry Krakauer, M. Weinert, A. J. Freeman - Physical review. B, Condensed matter 1981 cited by 2,119

  4. Hybrid Germanium Iodide Perovskite Semiconductors: Active Lone Pairs, Structural Distortions, Direct and Indirect Energy Gaps, and Strong Nonlinear Optical Properties

    Authors: Constantinos C. Stoumpos, Laszlo Frazer, Daniel J. Clark, Yong Soo Kim, S. H. Rhim, A. J. Freeman, J. B. Ketterson, Joon I. Jang, Mercouri G. Kanatzidis - Journal of the American Chemical Society 2015 cited by 927

  5. Crystal Growth of the Perovskite Semiconductor CsPbBr3: A New Material for High-Energy Radiation Detection

    Authors: Constantinos C. Stoumpos, Christos D. Malliakas, John A. Peters, Zhifu Liu, Maria Sebastian, Jino Im, Thomas C. Chasapis, Arief C. Wibowo, Duck Young Chung, A. J. Freeman, Bruce W. Wessels, Mercouri G. Kanatzidis - Crystal Growth & Design 2013 cited by 1,576

  6. Theoretical Investigation of Some Magnetic and Spectroscopic Properties of Rare-Earth Ions

    Authors: A. J. Freeman, R. E. Watson - Physical Review 1962 cited by 1,096

  7. First-principles theory of surface magnetocrystalline anisotropy and the diatomic-pair model

    Authors: Ding-Sheng Wang, Ruqian Wu, A. J. Freeman - Physical review. B, Condensed matter 1993 cited by 886

  8. Total-energy full-potential linearized augmented-plane-wave method for bulk solids: Electronic and structural properties of tungsten

    Authors: H. J. F. Jansen, A. J. Freeman - Physical review. B, Condensed matter 1984 cited by 721

  9. Dirac-Fock studies of some electronic properties of rare-earth ions

    Authors: A. J. Freeman, J. P. Desclaux - Journal of Magnetism and Magnetic Materials 1979 cited by 665

  10. Co2MnX(X=Si,Ge, Sn) Heusler compounds: Anab initiostudy of their structural, electronic, and magnetic properties at zero and elevated pressure

    Authors: Silvia Picozzi, A. Continenza, A. J. Freeman - Physical review. B, Condensed matter 2002 cited by 594

  11. Giant Modification of the Magnetocrystalline Anisotropy in Transition-Metal Monolayers by an External Electric Field

    Authors: Kohji Nakamura, Riki Shimabukuro, Yuji Fujiwara, Toru Akiyama, Tomonori Ito, A. J. Freeman - Physical Review Letters 2009 cited by 370

  12. First Principles Determination of the Effects of Phosphorus and Boron on Iron Grain Boundary Cohesion

    Authors: Ruqian Wu, A. J. Freeman, Gregory B. Olson - Science 1994 cited by 367

  13. Excitonic emissions and above-band-gap luminescence in the single-crystal perovskite semiconductorsCsPbBr3andCsPbCl3

    Authors: M. Sebastian, John A. Peters, Constantinos C. Stoumpos, Jino Im, Svetlana S. Kostina, Zhifu Liu, M. G. Kanatzidis, A. J. Freeman, B. W. Wessels - Physical Review B 2015 cited by 336

  14. Antagonism between Spin–Orbit Coupling and Steric Effects Causes Anomalous Band Gap Evolution in the Perovskite Photovoltaic Materials CH3NH3Sn1–xPbxI3

    Authors: Jino Im, Constantinos C. Stoumpos, Hosub Jin, A. J. Freeman, Mercouri G. Kanatzidis - The Journal of Physical Chemistry Letters 2015 cited by 250

  15. Dimensional Reduction: A Design Tool for New Radiation Detection Materials

    Authors: John Androulakis, Sebastian C. Peter, Hao Li, Christos D. Malliakas, John A. Peters, Zhifu Liu, Bruce W. Wessels, Jung‐Hwan Song, Hosub Jin, A. J. Freeman, Mercouri G. Kanatzidis - Advanced Materials 2011 cited by 237

  16. Role of Embedded Clustering in Dilute Magnetic Semiconductors: Cr Doped GaN

    Authors: Xiangyuan Cui, Julia E. Medvedeva, B. Delley, A. J. Freeman, N. Newman, Catherine Stampfl - Physical Review Letters 2005 cited by 236

  17. Embrittling and strengthening effects of hydrogen, boron, and phosphorus on aΣ5nickel grain boundary

    Authors: W. T. Geng, A. J. Freeman, Ruqian Wu, Clint B. Geller, James E. Raynolds - Physical review. B, Condensed matter 1999 cited by 201

  18. Handbook on the Physics and Chemistry of the Actinides

    Authors: A. J. Freeman, C. Keller - Medical Entomology and Zoology 1985 cited by 1,380

  19. CsSnI3: Semiconductor or Metal? High Electrical Conductivity and Strong Near-Infrared Photoluminescence from a Single Material. High Hole Mobility and Phase-Transitions

    Authors: In Jae Chung, Jung‐Hwan Song, Jino Im, John Androulakis, Christos D. Malliakas, Hao Li, A. J. Freeman, John T. Kenney, Mercouri G. Kanatzidis - Journal of the American Chemical Society 2012 cited by 1,181

  20. Total-energy all-electron density functional method for bulk solids and surfaces

    Authors: M. Weinert, E. Wimmer, A. J. Freeman - Physical review. B, Condensed matter 1982 cited by 1,001

  21. Electronic and optical properties of anataseTiO2

    Authors: Ryoji Asahi, Yasunori Taga, W. Mannstadt, A. J. Freeman - Physical review. B, Condensed matter 2000 cited by 728

  22. Hartree–Fock atomic scattering factors for the iron transition series

    Authors: R. E. Watson, A. J. Freeman - Acta Crystallographica 1961 cited by 627

  23. Origin of Effective Fields in Magnetic Materials

    Authors: R. E. Watson, A. J. Freeman - Physical Review 1961 cited by 617

  24. Electronically driven instabilities and superconductivity in the layeredLa2−xBaxCuO4perovskites

    Authors: Jaejun Yu, A. J. Freeman, Jian Xu - Physical Review Letters 1987 cited by 555