Recent work


Below are listed our most recent research / publications (basically, since leaving my position at Bell Laboratories) in reverse chronological order.  As a guiding principle, my colleagues and I always endeavor to publish on subjects impacting important current research, unresolved or forgotten issues, and novel concepts. 

Articles on arXiv.org


Journal Publications & Archived Letters

  1. High-TC Superconductive Pairing via Compton Scattering of Virtual Photons, D. R. Harshman and A. T. Fiory, preprint (2022).
  2. Superconducting Gap Structure in YBa2Cu3O7 from Low-Field Magnetic Penetration Depth Measurements, D. R. Harshman and A. T. Fiory, preprint (2022).
  3. Mid-infrared Signatures of the Inter-Reservoir Coulomb Interaction Potential and the Intra-Reservoir Charge Exchange Dipole Field, D. R. Harshman and A. T. Fiory, preprint (2022).
  4. Comparing Interlayer Coulomb Interaction Theory with Machine Learning Models of High-Tc Superconductors, D. R. Harshman and A. T. Fiory, An open letter to APL Mater. preprint (2022) [arXiv] [post].
  5. Modeling the electron free fall results of Witteborn and Fairbank with surface-electron superconductors mediated by image charges, D. R. Harshman and A. T. Fiory, preprint (2022).
  6. Machine Learning, Pearson Correlations, and Phenomenology in High-TC Superconductivity: Implications for TC, EF, and m*, D. R. Harshman and A. T. Fiory (2022) [arXiv] [post].
  7. The Superconducting Transition Temperatures of C-S-H Based on Inter-Sublattice S–H4-Tetrahedron Electronic Interactions, D. R. Harshman and A. T. Fiory, Invited Paper (Special Topics: Phenomena of Hydrides), Journal of Applied Physics 131, 015105 (2022) [arXiv] [post].
  8. Letter/Comment on: Improved Predictions for Superconductors, D. R. Harshman and A. T. Fiory, An open letter to Physics (2021) [arXiv] [post].
  9. High-TC Superconductivity in Hydrogen Clathrates Mediated by Coulomb Interactions between Hydrogen and Central-Atom Electrons, D. R. Harshman and A. T. Fiory, Journal of Superconductivity and Novel Magnetism 33, 2945 (2020) [arXiv] [post].  In Fig. 5, the reference labels [7] and [8] should be interchanged.  Also, footnote 2 should read, “Note that there is . . .”.
  10. High-TC Superconductivity Originating from Interlayer Coulomb Coupling in Gate-Charged Twisted Bilayer Graphene Moiré Superlattices, D. R. Harshman and A. T. Fiory, Journal of Superconductivity and Novel Magnetism 33, 367 (2020) [arXiv] [post].
  11. Compressed H3S: Inter-Sublattice Coulomb Coupling in a High-TC Superconductor, D. R. Harshman and A. T. Fiory, Journal of Physics: Condensed Matter 29, 445702 (2017) [arXiv] [post]. Note that there is a typographical error at the end of section 3 (p. 5) of this article which should read, “ℓ = (A/σ)1/2 = 2.883 Å” with the reported TC0 remaining unchanged (corrected in the arXiv version).  Also, the volume number in Ref. [22] should be “85” (the hyperlink, fortunately, points to the correct paper).
  12. On the Isotope Effect in Compressed H3S and D3S, D. R. Harshman and A. T. Fiory, Superconductor Science and Technology 30, 045011 (2017) [arXiv] [post].
  13. High-TC Superconductivity in Cs3C60 Compounds Governed by Local Cs-C60 Coulomb Interactions, D. R. Harshman and A. T. Fiory, Journal of Physics: Condensed Matter 29, 145602 (2017) [arXiv] [post].
  14. Modeling Intercalated Group-4-Metal Nitride Halide Superconductivity with Interlayer Coulomb Coupling, D. R. Harshman and A. T. Fiory, Journal of Superconductivity and Novel Magnetism 28, 2967 (2015) [arXiv] [post].
  15. Superconducting Interaction Charge in Thallium-Based High-TC Cuprates: Roles of cation oxidation state and electronegativity, D. R. Harshman and A. T. Fiory, Journal of Physics and Chemistry of Solids 85, 106 (2015) [arXiv] [post].
  16. Comment on “Superconductivity in Electron-Doped Layered TiNCl with Variable Interlayer Coupling”, D. R. Harshman and A. T. Fiory, Physical Review B 90, 186501 (2014) [arXiv] [post].
  17. Charge Compensation and Optimal Stoichiometry in (CaxLa1–x)(Ba1.75–xLa0.25+x)Cu3Oy, D. R. Harshman and A. T. Fiory, Physical Review B 86, 144533 (2012) [arXiv] [post].
  18. The Superconducting Transition Temperatures of Fe1+xSe1–y, Fe1+xSe1–yTey and (K/Rb/Cs)zFe2–xSe2, D. R. Harshman and A. T. Fiory, Journal of Physics: Condensed Matter 24, 135701 (2012) [arXiv] [post].
  19. High-TC Superconductivity in Ultra-Thin Crystals: Implications for microscopic theory, D. R. Harshman and A. T. Fiory, Emerging Materials Research 1, 4 (2012) [arXiv] [post].
  20. Concerning the Superconducting Gap Symmetry in YBa2Cu3O7–δ, YBa2Cu4O8, and La2-xSrxCuO4 Determined from Muon Spin Rotation in Mixed States of Crystals and Powders, D. R. Harshman and A. T. Fiory, Journal of Physics: Condensed Matter 23, 315702 (2011) [arXiv] [post].
  21. Theory of High-TC Superconductivity: Transition temperature, D. R. Harshman, A. T. Fiory and J. D. Dow, Journal of Physics: Condensed Matter 23, 295701 (2011) [arXiv] [post]; Corrigendum: Journal of Physics: Condensed Matter 23, 349501 (2011).  Also listed  in Journal of Physics: Condensed Matter Highlights of 2011.
  22. Coexisting Holes and Electrons in High-TC Materials: Implications from normal state transport, D. R. Harshman, J. D. Dow and A. T. Fiory, Philosophical Magazine 91, 818 (2011) [arXiv] [post].
  23. Reply to “Comment on ‘Isotope Effect in High-TC Superconductors'”, D. R. Harshman, J. D. Dow and A. T. Fiory, Physical Review B 80, 136502 (2009) [arXiv] [post].
  24. Correct Nature of High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Journal of Superconductivity and  Novel Magnetism 22, 29 (2009).
  25. Isotope Effect in High-TC Superconductors, D. R. Harshman, J. D. Dow and A. T. Fiory, Physical Review B 77, 024523 (2008) [post].
  26. Electron-Hole Superlattices in GaAs/AlxGa1-xAs Multiple Quantum Wells, K. P. Walsh, A. T. Fiory, N. M. Ravindra, D. R. Harshman and J. D. Dow, Philosophical Magazine 86, 3581 (2006).
  27. Reply to “Comment on ‘Nodeless Pairing State in Single-Crystal YBa2Cu3O7‘”, D. R. Harshman, W. J. Kossler, X. Wan, Anthony T. Fiory, A. J. Greer, D. R. Noakes, C. E. Stronach, E. Koster and J. D. Dow, Physical Review B 72, 146502 (2005) [post].
  28. Implications of Gd Destroying High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Modern Physics Letters B 19, 401 (2005).
  29. Nodeless Pairing-State in Single-Crystal YBa2Cu3O7, D. R. Harshman, W. J. Kossler, X. Wan, A. T. Fiory, A. J. Greer, D. R. Noakes, C. E. Stronach, E. Koster and J. D. Dow, Physical Review B 69, 174505 (2004) [post].
  30. Muon Spin Rotation Study of the (TMTSF)2ClO4 System, A. J. Greer, D. R. Harshman, W. J. Kossler, A. Goonewardene, D. Ll. Williams, E. Koster, W. Kang, R. N. Kleiman and R. C. Haddon, Physica C 400 (issues 1-2), 59-64 (2003).
  31. Muon Spin Rotation in GdSr2Cu2RuO8: Implications, D. R. Harshman, J. D. Dow, W. J. Kossler, D. R. Noakes, C. E. Stronach, A. J. Greer, E. Koster, Z. F. Ren and D. Z. Wang, Philosophical Magazine 83, 3055-3064 (2003).
  32. Spin-Glass Behavior, Spin-Fluctuations and Superconductivity in Sr2Y(Ru1-uCuu)O6, D. R. Harshman, W. J. Kossler, A. J. Greer, D. R. Noakes, C. E. Stronach, E. Koster, M. K. Wu, F. Z. Chien, J. P. Franck, I. Isaac and J. D. Dow, Physical Review B 67, 054509 (2003).
  33. Explanation of High-Temperature Superconductivity Without Cuprate Planes, John D. Dow and Dale R. Harshman, Philosophical Magazine B 82, 1055 (2002).
  34. Magnetic Susceptibility and Resonance Studies of Ordering in Ba2GdRu1-uCuuO6, H. A. Blackstead, J. D. Dow, D. R. Harshman, D. B. Pulling, M. K. Wu, D. Y. Chen and F. Z. Chien, Solid State Communications 118, 355 (2001).
  35. Magnetically Ordered Cu and Ru in Ba2GdRu1-uCuuO6 and in Sr2YRu1-uCuuO6, H. A. Blackstead, J. D. Dow, D. R. Harshman, W. B. Yelon, M. X. Chen, M. K. Wu, D. Y. Chen, F. Z. Chien and D. B. Pulling, Physical Review B 63, 214412 (2001).
  36. Magnetism and Superconductivity in Sr2YRu1-uCuuO6 and Magnetism in Ba2GdRu1-uCuuO6, H. A. Blackstead, John D. Dow, D. R. Harshman, M. J. DeMarco, M. K. Wu, D. Y. Chen, F. Z. Chien, D. B. Pulling, W. J. Kossler, A. J. Greer, C. E. Stronach, E. Koster, B. Hitti, M. Haka and S. Toorongian, European Physics Journal B 15, 649 (2000).
  37. Transparency of the ab Planes of Bi2Sr2CaCu2Ox to Magnetic Fields, W. J. Kossler, Y. Dai, K. G. Petzinger, A. J. Greer, D. Ll. Williams, E. Koster, D. R. Harshman and D. B. Mitzi, Physical Review Letters 80, 592 (1998).

Conference Publications

  1. Effects of Vortex Pinning on the Temperature Dependence of the Magnetic Field Distributions in Superconductors, W. J. Kossler, A. J. Greer, D. R. Harshman, C. E. Stronach, A. C. Shockley and M. Shinn, in Proceedings of the 12th International Conference on Muon Spin Rotation and Resonance (muSR2011), Cancun, Mexico, 16 – 20 May 2011, Physics Procedia 30, 245 (2012).
  2. Symmetry of Superconductivity in YBa2Cu3O7: s or d, J. D. Dow, D. R. Harshman and A. T. Fiory, Invited Paper, in Proceedings of Seventh International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-7), Beijing, China, 13 – 16 May 2009, Journal of Superconductivity and Novel Magnetism 23, 641 (2010).
  3. Elements of Modern High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Invited Paper, in Proceedings of NATO Advanced Research Workshop, Electron Transport in Nanosystems (ETN-2007), Yalta, Ukraine, 17 – 21 September 2007, NATO Science for Peace and Security Series B: Physics and Biophysics, Electron Transport in Nanosystems, Edited by J. Bonca and S. K. Krunchinin (Springer, The Netherlands, 2008).
  4. BaO Planes, Not CuO2 Planes, Contain High-Tc Superconductivity, J. D. Dow and D. R. Harshman, Invited Paper, in Proceedings of the Sixth International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-6), Sidney, Australia, 9 – 11 January 2007, International Journal of Modern Physics B 21, 3086 (2007).
  5. Alkaline-Earth Layer High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, in Proceedings of the 8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S-HTSC-VIII), Dresden, Germany  9 – 14 July 2006, Physica C 460-462, 499 (2007).
  6. High-TC Superconductivity in Cuprates and Ruthenates, J. D. Dow, D. R. Harshman and Anthony T. Fiory, Invited Paper, in Proceedings of Conference on Electron Correlation in New Materials and Nanosystems, NATO Advanced Research Workshop, Yalta, Crimea, Ukraine, 19 – 23 Sept. 2005, NATO Science Series II: Mathematics, Physics and Chemistry, Vol. 241, pp. 263-274: Electron Correlation in New Materials and Nanosystems, Edited by J. Bonča and S. Kruchinin (Springer, 2007).
  7. Nature of High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Invited Paper, in Proceedings of the 33rd Conference on the Physics and Chemistry of Semiconducting Interfaces (PCSI-33), Cocoa Beach, Florida 15 – 19 January (2006), Journal of Vacuum Science and Technology B 24, 1977 (2006).
  8. The True Nature of High Temperature Superconductivity, John D. Dow, Dale R. Harshman and Anthony T. Fiory, in Proceedings of 24th International Conference on Low Temperature Physics, Orlando, Florida, 10 – 17 August 2005, AIP Conf. Proc. 850, 555 (2006).
  9. Thermal Conductivity of YBa2Cu3O7: s-wave interpretation, D. R. Harshman and J. D. Dow, Invited Paper, in Proceedings of the Fifth  International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-5), Chongqing, China, 10 – 15 June 2004, International Journal of Modern Physics B 19, 147 (2005).
  10. The Discrepancy Between Muon Spectroscopy and Scanning Tunneling Microscopy and Photoemission: YBa2Cu3O7 and Bi2Sr2CaCu2O8, John D. Dow and Dale R. Harshman, Invited Paper, in Proceedings of the Fifth  International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-5), Chongqing, China, 10 – 15 June 2004, International Journal of Modern Physics B 19, 37 (2005).
  11. Fluxon Pinning in the Nodeless Pairing State of Superconducting YBa2Cu3O7, A. T. Fiory, D. R. Harshman, J. Jung, I.-Y. Isaac, W. J. Kossler, X. Wan, A. J. Greer, D. R. Noakes, C. E. Stronach, E. Koster and J. D. Dow, Invited Paper, in Proceedings of the 133rd Annual Meeting of the Minerals, Metals, Materials Society (TMS), Charlotte, North Carolina, 14 – 18 March 2004, Journal of Electronic Materials 34, 474 (2005) [post] [slides].
  12. High-Temperature Superconductivity of Oxides,  J. D. Dow and D. R. Harshman, Invited Paper, in Proceedings of the Symposium on Emerging Mechanisms for High Temperature Superconductivity (SEMHTS), Miami, Florida, 11 – 16 January 2004. “New Challenges in Superconductivity: Experimental Advances and Emerging Theories,” NATO Science Series II: Mathematics, Physics and Chemistry, Vol. 183, Edited by J. Ashkenazi, M. V. Erimin, J. L. Cohn, I. Eremin, D. Manske, D. Pavuna and F. Zuo, pp. 129-134 (Springer, Berlin, New York, 2005).
  13. Nodeless Pairing State in YBa2Cu3O7,  D. R. Harshman, J. D. Dow, W. J. Kossler, A. T. Fiory, A. J. Greer, D. R. Noakes, C. E. Stronach and E. Koster, Invited Paper, in Proceedings of the Symposium on Emerging Mechanisms for High Temperature Superconductivity (SEMHTS), Miami, Florida, 11 – 16 January 2004.  “New Challenges in Superconductivity: Experimental Advances and Emerging Theories,” NATO Science Series II: Mathematics, Physics and Chemistry, Vol. 183, Edited by J. Ashkenazi, M. V. Erimin, J. L. Cohn, I. Eremin, D. Manske, D. Pavuna and F. Zuo, pp. 49-54 (Springer, Berlin, New York, 2005).
  14. YBa2Cu3O7 is an S-Wave Superconductor,  D. R. Harshman and J. D. Dow, in Proceedings of the 7th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S-RIO), Rio de Janeiro, Brazil, 25 – 30 May 2003, Physica C 408-410, 361 (2004).
  15. Non-Cuprate-Planar Superconductivity, J. D. Dow and D. R. Harshman, in Proceedings of the International Conference on Dynamic Inhomogeneities in Complex Oxides,Bled, Slovinia, 14 – 20 June 2003, Journal of Superconductivity 17, 179 (2004).
  16. High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Invited Paper, in Proceedings of the International Workshop on Unconventional Superconductors, Campinas, Brazil, 20 – 24 May 2003, Brazilian Journal of Physics 33, 681 (2003).
  17. Verification of Nodeless Superconductivity Pairing in Single-Crystal YBa2Cu3O7, D. R. Harshman, W. J. Kossler, X. Wan, A. T. Fiory, A. J. Greer, D. R. Noakes, C. E. Stronach, E. Koster, A. Erb and J. D. Dow, Invited Paper, in Proceedings of the Fourth International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-4), San Diego, California, 16 – 21 January 2003, International Journal of Modern Physics B 17, 3582 (2003).
  18. Locus of High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Invited Paper, in Proceedings of the Fourth  International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-4), San Diego, California, 16 – 21 January 2003, International Journal of Modern Physics B 17, 3310 (2003).
  19. SrO and BaO High-Temperature Superconductivity, J. D. Dow and  D. R. Harshman, in Proceedings of the 23rd International Conference on Low Temperature Physics (LT23), Hiroshima, Japan, 20 – 27 August 2002, Physica C 388-389, 447 (2003).
  20. High-Temperature Superconductivity: The hole-pairing is s-wave and the holes are on the SrO, BaO or Interstitial oxygen, J. D. Dow and D. R. Harshman, in Proceedings of the 2002 International Conference on the Physics and Chemistry of Molecular and Oxide Superconductors (MOS 2002), Hsinchu, Taiwan, 13 – 18 August 2002, Journal of Low Temp.Phys. 131, 483 (2003).
  21. Proofs that High-Temperature Superconductivity is in BaO, SrO or Interstitial-Oxygen Layers, and is S-Wave Paired and P-Type, J. D. Dow and D. R. Harshman, in Proceedings of the 10th international Ceramics Congress and 3rd Forum on New Materials (CIMTEC 2002), Florence, Italy 14 – 18 July 2002, Edited by P. Vincenzini (Techna Publishers, S.Rr.L., Faenza, Italy).
  22. Ruthenate and Cuprate High-TC Superconductivity, J. D. Dow and D. R. Harshman, in Proceedings of the International Conference on Superconductivity, CRM and Related Materials: Novel Trends (SCRM 2002), Giens, France, 1 – 8 June 2002, Journal of Superconductivity 15, 455 (2002).
  23. Origin of High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, in Proceedings of the Conference on Strongly Correlated Electron Systems (SCES 2001), Ann Arbor, Michigan, USA, 6 – 10 August 2001, Physica B 312-313, 53 (2002).
  24. New Picture of High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, in Proceedings of the 2001 SNS Meeting, Chicago, Illinois.,  USA, 13 – 17  May 2001, Journal of Physics and Chemistry of Solids 63, 2309 (2002).
  25. Magnetic Resonance and Mössbauer Studies of GdSr2Cu2RuO8, H. A. Blackstead, J. D. Dow, D. R. Harshman and D. B. Pulling, Z. F. Ren and D. Z. Wang, Invited Paper, in Proceedings of the Third International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-3), Honolulu, Hawaii, USA, 15 – 19 January 2001, Physica C 364-365, 305 (2001).
  26. High-Temperature Superconductivity: The roles of oxide layers, J. D. Dow, H. A. Blackstead and D. R. Harshman, Invited Paper, in Proceedings of the Third International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-3), Honolulu, Hawaii, USA, 15 – 19 January 2001, Physica C 364-365, 74  (2001).
  27. Superconductivity and Magnetism in Sr2Y(Ru1-uCuu)O6 and Ba2Gd(Ru1-uCuu)O6, D. R. Harshman, W. J. Kossler, A. J. Greer, C. E. Stronach, D. R. Noakes, E. Koster, M. K. Wu, F. Z. Chien, H. A. Blackstead, D. B. Pulling and J. D. Dow, Invited Paper, in Proceedings of the Third International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-3), Honolulu, Hawaii, USA, 15 – 19 January 2001, Physica C 364-365, 392 (2001).
  28. The Case Against Cuprate-Plane Superconductivity, John D. Dow, H. A. Blackstead and D. R. Harshman, Invited Paper, in Proceedings of the 3rd International Conference on Stripes and High-Tc Superconductivity (STRIPES 2000), Rome, Italy, 24 – 30 September 2000, Edited by Antonio Bianconi, International Journal of Modern Physics B 14, 3444 (2000).
  29. High-Temperature Superconductivity is Charge-Reservoir Superconductivity, J. D. Dow, H. A. Blackstead and D. R. Harshman, Invited Paper, in Proceedings of the Conference on Phase Transitions and Self-Organization in Electronic and Molecular Networks, Cambridge University, UK, 11 – 14 July 2000, in Phase Transitions and Self-Organization in Electronic and Molecular Networks, Edited by M. F. Thorpe and J. C. Phillips, pp. 403-412 (Kluwer-Plenum, 2001).
  30. Sr2YRu1-uCuuO6: Evidence for SrO-Layer Superconductivity, H. A. Blackstead, J. D. Dow and D. R. Harshman, in Proceedings of the Conference on Major Trends in Superconductivity in the New Millennium (MTSC 2000), Klosters, Switzerland, 31 March 2000 – 6 April 2000, Journal of Superconductivity: Incorporating Novel Magnetism 13, 981 (2000).
  31. Magnetic Resonance and Surface Resistance of Ba2GdRu1-uCuuO6, H. A. Blackstead, J. D. Dow, D. R. Harshman, D. B. Pulling, M. K. Wu, D. Y. Chen and F. Z. Chien, in Proceedings of the 6th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S-HTSC-VI), Houston, Texas, 20 – 25 February 2000, Physica C 341-348 (1-4), 571-572 (2000).
  32. Eu2-zCezSr2Cu2RuO10 Superconducts in its SrO Layers, not in the Cuprate Planes, H. A. Blackstead, J. D. Dow, D. R. Harshman, Israel Felner, D. B. Pulling, W. J. Kossler, A. J. Greer, C. E. Stronach, E. Koster and B. Hitti, in Proceedings of the 6th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S-HTSC-VI), Houston, Texas, 20 – 25 February 2000, Physica C 341-348 (1-4), 165-166 (2000).
  33. Location and Properties of the Superconducting Hole-Condensate in Sr2YRu1-uCuuO6, H. A. Blackstead, J. D. Dow, D. R. Harshman, David B. Pulling, W. J. Kossler, A. J. Greer, C. E. Stronach, E. Koster, B. Hitti, M. K. Wu, D. Y. Chen and F. Z. Chien, in Proceedings of the 6th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2S-HTSC-VI), Houston, Texas, 20 – 25 February 2000, Physica C 341-348 (1-4), 163 (2000).
  34. Location of the Superconducting Hole Condensate in Sr2YRu1-uCuuO6, D. R. Harshman, W. J. Kossler, A. J. Greer, C. E. Stronach, E. Koster, B. Hitti, M. K. Wu, D. Y. Chen, F. Z. Chien, H. A. Blackstead and J. D. Dow, in Proceedings of the 8th International Conference on Muon Spin Rotation, Relaxation and Resonance (µSR-99), Les Diablerets, Switzerland, 30 August – 3 September 1999, Physica B 289-290, 360 (2000).
  35. Muon Spin Rotation in Sr2YRu1-uCuuO6, D. R. Harshman, H. A. Blackstead, W. J. Kossler, A. J. Greer, C. E. Stronach, E. Koster, B. Hitti, M. K. Wu, D. Y. Chen, F. Z. Chien and J. D. Dow, Invited Paper, in Proceedings of the Second Annual Conference on New Theories, Discoveries and Applications of Superconductors and Related Materials (New3SC-2), Las Vegas, Nevada, 31 May – 4 June 1999, International Journal of Modern Physics B 13, 3670 (1999).

Invited Talks

  1. Symmetry of Superconductivity in YBa2Cu3O7: s or d, J. D. Dow, D. R. Harshman and Anthony T. Fiory, Invited Talk, Seventh International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-7, Beijing, China, 13 – 16 May 2009 [Cross Ref. Paper].
  2. Elements of Modern High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Invited Talk, NATO Advanced Research Workshop, Electron Transport in Nanosystems (ETN-2007), Yalta, Ukraine, 17 – 21 September 2007, NATO Science Series: Electron Transport in Nanosystems to be published [Cross Ref. Paper].
  3. BaO Planes, Not CuO2 Planes, Contain High-TC Superconductivity, J. D. Dow and D. R. Harshman, Invited Talk, Sixth International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-6), Sidney, Australia, 9 – 11 January 2007 [Cross Ref. Paper].
  4. Nature of High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Invited Talk, 33rd Conference on the Physics and Chemistry of Semiconducting Interfaces (PCSI-33), Cocoa Beach, Florida 15 – 19 January (2006) [Cross Ref. Paper].
  5. High-Tc Superconductivity in Cuprates and Ruthenates, J. D. Dow, D. R. Harshman and A. T. Fiory, Invited Talk, Conference on Electron Correlation in New Materials and Nanosystems, NATO Advanced Research Workshop, Yalta, Crimea, Ukraine, 19 – 23 Sept. 2005 [Cross Ref. Paper].
  6. Thermal Conductivity of YBa2Cu3O7: s-wave interpretation, D. R. Harshman and J. D. Dow, Invited Talk, Fifth International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-5), Chongqing, China, 10 – 15 June 2004 [Cross Ref. Paper].
  7. The Discrepancy Between Muon Spectroscopy and Scanning Tunneling Microscopy and Photoemission: YBa2Cu3O7 and Bi2Sr2CaCu2O8, J. D. Dow and D. R. Harshman, Invited Talk, Fifth  International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-5), Chongqing, China, 10 – 15 June 2004 [Cross Ref. Paper].
  8. The Locus of Superconductivity in the Cuprates and the Ruthenates, J. D. Dow and D. R. Harshman, Invited Talk, Conference on Dynamical Energy Landscapes and Functional Systems, Sante Fe, New Mexico, USA, 28 March – 3 April 2004.
  9. Fluxon Pinning in the Nodeless Pairing State of Superconducting YBa2Cu3O7, A. T. Fiory, D. R. Harshman, J. Jung, I.-Y. Isaac, W. J. Kossler, X. Wan, A. J. Greer, D. R. Noakes, C. E. Stronach, E. Koster and J. D. Dow, Invited Talk, 133rd Annual Meeting of the Minerals, Metals, Materials Society (TMS), Charlotte, North Carolina, 14 – 18 March 2004 [Cross Ref. Paper] [slides].
  10. High-Temperature Superconductivity of Oxides,  J. D. Dow and D. R. Harshman,Symposium on Emerging Mechanisms for High Temperature Superconductivity (SEMHTS), Miami, Florida, 11 – 16 January 2004 [Cross Ref. Paper].
  11. Nodeless Pairing State Symmetry in YBa2Cu3O7,  D. R. Harshman, J. D. Dow, W. J. Kossler, A. T. Fiory, A. J. Greer, D. R. Noakes, C. E. Stronach and E. Koster, Invited Talk, Symposium on Emerging Mechanisms for High Temperature Superconductivity (SEMHTS), Miami, Florida, 11 – 16 January 2004 [Cross-Ref. Paper].
  12. High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Invited Talk,International Workshop on Unconventional Superconductors, Campinas, Brazil, 20 – 24 May 2003 [Cross-Ref. Paper].
  13. Verification of Nodeless Superconductivity Pairing in Single-Crystal YBa2Cu3O7D. R. Harshman, W. J. Kossler, X. Wan, A. T. Fiory, A. J. Greer, D. R. Noakes, C. E. Stronach, E. Koster, A. Erb and J. D. Dow, Invited Talk, Fourth  International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-4), San Diego, California, 16 – 21 January 2003 [Cross-Ref. Paper].
  14. Locus of High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Invited Talk, Fourth International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-4), San Diego, California, 16 – 21 January 2003 [Cross-Ref. Paper].
  15. Recent Progress in the Study of Ruthenate High Temperature Superconductivity, H. A. Blackstead, J. D. Dow, D. R. Harshman, P. J. McGinn, N. A. Licata, W. B. Yelon, I. Felner, D. Wang and Z. Ren, Invited Talk, International Conference on Modern Problems of Superconductivity, Yalta, Crimea, Ukraine, 9 – 14 September 2002.
  16. High-Temperature Superconductivity: The hole-pairing is s-wave and the holes are on the SrO, BaO or Interstitial oxygen, J. D. Dow and D. R. Harshman, Invited Talk, 2002 International Conference on the Physics and Chemistry of Molecular and Oxide Superconductors (MOS 2002), Hsinchu, Taiwan, 13 – 18 August 2002 [Cross-Ref. Paper].
  17. Magnetic Resonance and Mössbauer Studies of GdSr2Cu2RuO8, H. A. Blackstead, J. D. Dow, D. R. Harshman, D. B. Pulling, Z. F. Ren and D. Z. Wang, Third International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-3), Honolulu, Hawaii, USA, 15 – 19 January 2001 [Cross-Ref: Paper].
  18. High-Temperature Superconductivity: The roles of oxide layersJ. D. Dow, H. A. Blackstead and D. R. Harshman, Third International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-3), Honolulu, Hawaii, USA, 15 – 19 January 2001 [Cross-Ref: Paper].
  19. Superconductivity and Magnetism in Sr2Y(Ru1-uCuu)O6 and Ba2Gd(Ru1-uCuu)O6, D. R. Harshman, W. J. Kossler, A. J. Greer, C. E. Stronach, D. R. Noakes, E. Koster, M. K. Wu, F. Z. Chien, H. A. Blackstead, D. B. Pulling and J. D. Dow, Invited Talk, Third International Conference on New Theories, Discoveries, and Applications of Superconductors and Related Materials (New3SC-3), Honolulu, Hawaii, USA, 15 – 19 January 2001 [Cross-Ref: Paper].
  20. Feasibility of 125Xe Implantation at TRIUMF for Preparation of 125I Brachytherapy, J. Vincent, T. Ruth, A. Zyuzin, J. D’Auria, D. Ottewell and D. R. Harshman, Invited Talk, Pacifichem 2000 Meeting, Honolulu, Hawaii, 14 – 19 December 2000 [Cross-Ref: Patent].
  21. The Case Against Cuprate-Plane Superconductivity, J. D. Dow, H. A. Blackstead and D. R. Harshman, Invited Talk, 3rd International Conference on Stripes and High-Tc Superconductivity (STRIPES 2000), Rome, Italy, 24 – 30 September 2000 [Cross-Ref: Paper].
  22. High-Temperature Superconductivity is Charge-Reservoir Superconductivity, J. D. Dow, H. A. Blackstead and D. R. Harshman, Invited Talk,  Conference on Phase Transitions and Self-Organization in Electronic and Molecular Networks, Cambridge University, UK, 11 – 14 July 2000 [Cross-Ref: Paper].
  23. Muon Spin Rotation in Sr2YRu1-xCuxO6, D. R. Harshman, W. J. Kossler, A. J. Greer, C. E. Stronach, E. Koster, B. Hitti, M. K. Wu, D. Y. Chen, F. Z. Chien, H. A. Blackstead and J. D. Dow, Invited Talk, Second Annual Conference on New Theories, Discoveries and Applications of Superconductors and Related Materials (New3SC-2), Las Vegas, Nevada, 31 May – 4 June 1999 [Cross-Ref: Paper]. 

Abstracts

  1. Optimal High-TC Superconductivity in Cs3C60, D. R. Harshman and A. T. Fiory, APS Meeting, Baltimore, Maryland, 14-18 March, 2016 [abstract] [extended abstract] (slides).
  2. Theory of High-TC Superconductivity: Accurate predictions of TC, D. R. Harshman and A. T. Fiory, APS Meeting, Boston, Massechusetts, 27 February – 2 March, 2012 [abstract] [arXiv] [extended abstract].
  3. High-Temperature Superconductivity: Status, J. D. Dow, D. R. Harshman and A. T. Fiory, APS Meeting, Pittsburgh, Pennsylvania, 16 – 20 March  2009 [abstract].
  4. Isotope Effect in High-TC Superconductors, D. R. Harshman, J. D. Dow and A. T. Fiory, APS Meeting, New Orleans, Louisiana, 10 – 14 March 2008 [abstract] [slides].
  5. Nodeless Ground State Symmetry of YBa2Cu3O7-δ, D. R. Harshman, J. D. Dow and A. T. Fiory, APS Meeting, Denver, Colorado 5 – 9 March 2007 [abstract].
  6. Feasibility of Superconductivity in Semiconductor Superlattices, K. P. Walsh, A. T. Fiory, N. M. Ravindra, D. R. Harshman and J. D. Dow, APS Meeting, Baltimore, Maryland 13 – 17 March 2006 [abstract].
  7. Thermal Conductivity of YBa2Cu3O7, D. R. Harshman and J. D. Dow, APS Meeting, Los Angeles, California, 21 – 25 March 2005 (abstract).
  8. Superconductivity is not in the Cuprate Planes, J. D. Dow, D. R. Harshman and H. A. Blackstead, APS Meeting, Montreal, Quebec, Canada, 22 – 26 March 2004 [abstract].
  9. The Superconductivity of YBa2Cu3O7 is in the BaO-Layers, D. R. Harshman and J. D. Dow, APS Meeting, Montreal, Quebec, Canada, 22 – 26 March 2004 [abstract].
  10. The Case Against High-Temperature Superconductivity Originating in the Cuprate Planes, J. D. Dow and D. R. Harshman, APS Meeting, Indianapolis, Indiana, 18 – 22 March 2002 [abstract].
  11. High-Temperature Superconductivity, J. D. Dow and D. R. Harshman, Gordon Conference on Superconductivity, Queen’s College, Oxford, UK,  9 – 14 September 2001.
  12. The Nature of High-Temperature Superconductivity, J. D. Dow, H. A. Blackstead and D. R. Harshman, APS Meeting, Seattle, Washington, 12 – 16 March 2001 [abstract].
  13. Properties of the Superconducting Hole Condensate in Sr(2)YRu(1-u)Cu(u)O(6), D. R. Harshman, W. J. Kossler, A. J. Greer, C. E. Stronach, E. Koster, H. A. Blackstead, J. D. Dow, M. K. Wu and F. Z. Chien, APS Meeting, Seattle, Washington, 12 – 16 March 2001 [abstract].
  14. Magnetic Resonance, Muon Spin Rotation and Magnetization Measurements of GdSr2Cu2RuO8, H. A. Blackstead, J. D. Dow, D. R. Harshman, D. B. Pulling, Z. F. Ren and D. Z. Wang, APS Meeting, Seattle, Washington, 12 – 16 March 2001 [abstract].
  15. Magnetism and Superconductivity of Rutheno-Cuprates, J. D. Dow, H. A. Blackstead and D. R. Harshman, in Proceedings of the Symposium on Itinerant and Localized States in HTSC (SILS), Klosters, Switzerland, 6 – 10 April 2000.
  16. Magnetic Transparency of the ab Planes of BSCCO and the Disorder and Dynamics of the Pancake Vortices, W. J. Kossler, K. G. Petzinger, X. Wan, Y. Dai, A. J. Greer, D. Ll. Williams, E. Koster, D. R. Harshman and D. B. Mitzi, APS Meeting, Los Angeles, California, USA, 16 – 20 March 1998 [abstract].

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