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A. P. Ramirez

Active 1990–2025

40
Papers
24,957
Citations
39
h-index
39
i10-index

Citations

Citations per year for A. P. Ramirez1966: 1 citations1990: 1 citations1991: 41 citations1992: 66 citations1993: 14 citations1994: 15 citations1995: 21 citations1996: 37 citations1997: 47 citations1998: 27 citations1999: 33 citations2000: 25 citations2001: 43 citations2002: 30 citations2003: 19 citations2004: 41 citations2005: 41 citations2006: 83 citations2007: 64 citations2008: 48 citations2009: 55 citations2010: 45 citations2011: 52 citations2012: 38 citations2013: 33 citations2014: 35 citations2015: 35 citations2016: 30 citations2017: 23 citations2018: 23 citations2019: 32 citations2020: 20 citations2021: 29 citations2022: 12 citations2023: 10 citations2024: 11 citations2025: 8 citations1967–1989: no citations, so these years are not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 422 citing papers, 31.8% of this breakdownGermany: 115 citing papers, 8.7% of this breakdownJapan: 110 citing papers, 8.3% of this breakdownChina: 89 citing papers, 6.7% of this breakdownUnited Kingdom: 87 citing papers, 6.6% of this breakdownFrance: 81 citing papers, 6.1% of this breakdownCanada: 39 citing papers, 2.9% of this breakdownSwitzerland: 37 citing papers, 2.8% of this breakdownSpain: 32 citing papers, 2.4% of this breakdownIndia: 30 citing papers, 2.3% of this breakdownRussia: 26 citing papers, 1.9% of this breakdownItaly: 21 citing papers, 1.6% of this breakdown
0%31.8%Other 17.9%

Institutions

Fields

  • Materials Science51.7%
  • Physics and Astronomy21.1%
  • Chemistry11.9%
  • Engineering11.2%
  • Computer Science1.4%
  • Biochemistry, Genetics and Molecular Biology0.9%
  • Other1.8%

Topics

  • Advanced Condensed Matter Physics9.4%
  • Magnetic and transport properties of perovskites and related materials7.8%
  • Multiferroics and related materials6.8%
  • Ferroelectric and Piezoelectric Materials4.4%
  • Fullerene Chemistry and Applications4.3%
  • Graphene research and applications4.2%
  • Other63.1%

Coauthors

All papers

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  1. The Materials Genome Initiative, the interplay of experiment, theory and computation

    Authors: Juan Pablo, Barbara Jones, Cora Lind Kovacs, Vidvuds Ozoliņš, A. P. Ramirez - Current Opinion in Solid State and Materials Science 2014 cited by 240

  2. Geometrical frustration

    Authors: Roderich Moessner, A. P. Ramirez - Physics Today 2006 cited by 699

  3. Zero-point entropy in ‘spin ice’

    Authors: A. P. Ramirez, A. Hayashi, R. J. Cava, Rahul Siddharthan, B. Sriram Shastry - Nature 1999 cited by 1,215

  4. Low Temperature Magnetoresistance and the Magnetic Phase Diagram ofLa1−xCaxMnO3

    Authors: P. Schiffer, A. P. Ramirez, W. Bao, S‐W. Cheong - Physical Review Letters 1995 cited by 2,188

  5. Colossal magnetoresistance

    Authors: A. P. Ramirez - Journal of Physics Condensed Matter 1997 cited by 1,655

  6. Superconductivity at 8.4 K in calcium-doped C60

    Authors: A. R. Kortan, N. Kopylov, S. H. Glarum, E. M. Gyorgy, A. P. Ramirez, R. M. Fleming, F. A. Thiel, Robert C. Haddon - Nature 1992 cited by 308

  7. Ising Pyrochlore Magnets: Low-Temperature Properties, “Ice Rules,” and Beyond

    Authors: Rahul Siddharthan, B. Sriram Shastry, A. P. Ramirez, A. Hayashi, R. J. Cava, Stephan Rosenkranz - Physical Review Letters 1999 cited by 248

  8. Superconductivity at 18 K in potassium-doped C60

    Authors: A. F. Hebard, Matthew J. Rosseinsky, Robert C. Haddon, D. W. Murphy, S. H. Glarum, T. T. M. Palstra, A. P. Ramirez, A. R. Kortan - Nature 1991 cited by 3,045

  9. Optical Response of High-Dielectric-Constant Perovskite-Related Oxide

    Authors: C. C. Homes, Thomas Vogt, S. M. Shapiro, Shuichi Wakimoto, A. P. Ramirez - Science 2001 cited by 1,741

  10. Giant dielectric constant response in a copper-titanate

    Authors: A. P. Ramirez, M. A. Subramanian, Margaret L. Gardel, G. Blumberg, D Li, Thomas Vogt, S. M. Shapiro - Solid State Communications 2000 cited by 1,105

  11. Ferroelectricity and Giant Magnetocapacitance in Perovskite Rare-Earth Manganites

    Authors: Takashi Goto, T. Kimura, G. Lawes, A. P. Ramirez, Y. Tokura - Physical Review Letters 2004 cited by 1,008

  12. Superconductivity in CuxTiSe2

    Authors: E. Morosan, H.W. Zandbergen, B. S. Dennis, Jan‐Willem G. Bos, Y. Onose, Tomasz Klimczuk, A. P. Ramirez, N. P. Ong, R. J. Cava - Nature Physics 2006 cited by 988

  13. Superconductivity at 28 K inRbxC60

    Authors: Matthew J. Rosseinsky, A. P. Ramirez, S. H. Glarum, D. W. Murphy, Robert C. Haddon, A. F. Hebard, Thomas Palstra, A. R. Kortan, S. M. Zahurak, A. V. Makhija - Physical Review Letters 1991 cited by 889

  14. Magnetoelectric phase diagrams of orthorhombicRMnO3(R=Gd, Tb, and Dy)

    Authors: T. Kimura, G. Lawes, T. Goto, Y. Tokura, A. P. Ramirez - Physical Review B 2005 cited by 725

  15. Simultaneous Structural, Magnetic, and Electronic Transitions inLa1−xCaxMnO3withx=0.25 and 0.50

    Authors: P. G. Radaelli, D. E. Cox, M. Marezio, S-W. Cheong, P. Schiffer, A. P. Ramirez - Physical Review Letters 1995 cited by 657

  16. Magnetically Driven Ferroelectric Order inNi3V2O8

    Authors: G. Lawes, A. B. Harris, T. Kimura, N. Rogado, R. J. Cava, Amnon Aharony, O. Entin‐Wohlman, Taner Yildirim, M. Kenzelmann, C. Broholm, A. P. Ramirez - Physical Review Letters 2005 cited by 641

  17. Relation of structure and superconducting transition temperatures in A3C60

    Authors: R. M. Fleming, A. P. Ramirez, Matthew J. Rosseinsky, D. W. Murphy, Robert C. Haddon, S. M. Zahurak, A. V. Makhija - Nature 1991 cited by 560

  18. Cupric oxide as an induced-multiferroic with high-TC

    Authors: T. Kimura, Y. Sekio, Hiroyuki Nakamura, Theo Siegrist, A. P. Ramirez - Nature Materials 2008 cited by 510

  19. Inversion-symmetry breaking in the noncollinear magnetic phase of the triangular-lattice antiferromagnetCuFeO2

    Authors: T. Kimura, J. C. Lashley, A. P. Ramirez - Physical Review B 2006 cited by 495

  20. Defects in Carbon Nanostructures

    Authors: Otto Zhou, R. M. Fleming, D. W. Murphy, C. H. Chen, Robert C. Haddon, A. P. Ramirez, S. H. Glarum - Science 1994 cited by 473

  21. Colossal magnetoresistance in Cr-based chalcogenide spinels

    Authors: A. P. Ramirez, R. J. Cava, J. J. Krajewski - Nature 1997 cited by 465

  22. Absence of ferromagnetism in Co and Mn substituted polycrystalline ZnO

    Authors: G. Lawes, Aditi Risbud, A. P. Ramirez, Ram Seshadri - Physical Review B 2005 cited by 458

  23. Thermodynamic and Electron Diffraction Signatures of Charge and Spin Ordering inLa1−xCaxMnO3

    Authors: A. P. Ramirez, P. Schiffer, S-W. Cheong, C. H. Chen, W. Bao, T. T. M. Palstra, P. L. Gammel, David J. Bishop, Bernard R. Zegarski - Physical Review Letters 1996 cited by 447

  24. Electric Polarization Rotation in a Hexaferrite with Long-Wavelength Magnetic Structures

    Authors: T. Kimura, G. Lawes, A. P. Ramirez - Physical Review Letters 2005 cited by 445