John F. DiTusa, Ph.D.

Dean, School of Science

Professor, Physics

(317) 274-0625
Research Areas:
Condensed Matter Physics


  • Ph.D. Cornell University, Experimental Condensed Matter Physics, January 1992
  • B.A. Oberlin College, Physics with honors, May 1985

Publications & Professional Activity

  • Qiang Zhang, Satoshi Okamoto, Matthew B. Stone, Jinyu Liu, Yanglin Zhu, J. F. DiTusa, Zhiqiang Mao, and David A. Tennant “Influence of magnetism on Dirac semimetallic behavior in nonstoichiometric Sr1−yMn1−zSb2 (y ∼ 0.07, z ∼ 0.02)”, Phys. Rev.B 100, 205105 (2019).
  • S. K. Karna, F. N. Womack, R. Chapai, D. P. Young, M. Marshall, W. Xie, D. Graf, Y. Wu, H. Cao, L. DeBeer-Schmitt, P. W. Adams, R. Jin, & J. F. DiTusa, “Consequences of magnetic ordering in chiral Mn1/3NbS2”, Phys. Rev.B 100, 184413 (2019).
  • Y. Li, Z. Liu, Z. Xu, Y. Song, Y. Huang, D. Shen, N. Ma, A. Li, S. Chi, M. Frontzek, H. Cao, Q. Huang, W. Wang, Y. Xie, Y. Rong, D. P. Young, J. F. DiTusa, & P. Dai “Flat band magnetism and helical magnetic order in Ni-doped SrCo2As2”, Phys. Rev.B 100, 094446 (2019).
  • S. Turksen-Selcuk, C. Rosu, A. Blake, E. Soto-Cantu, J. Qiu, Y. Wu, J. F. DiTusa, A. Steffens and P. S. Russo “Organophilic, Superparamagnetic and Reversibly Thermoresponsive Silica-Polypeptide Core-Shell Particles”, Langmuir 35, 14248-14257 (2019).
  • C. Dhital, L. DeBeer-Schmitt, D. P. Young & J. F. DiTusa “Unpinning the skyrmion lattice in MnSi”, Phys. Rev.B 99, 024428 (2019).
  • Drew J. Rebar, Serena M. Birnbaum, John Singleton, Mojammel Khan, J.C. Ball, P.W. Adams, Julia Y. Chan, D.P. Young, Dana A. Browne and J. F. DiTusa “Fermi surface, possible unconventional fermions, and unusually robust resistive critical fields in the chiralstructured superconductor AuBe”, Phys. Phys. Rev.B 99, 094517 (2019).
  • M. A. Khan, D. P. Young, P. W. Adams, D.A. Browne, D. M. Gautreau, S. Karna, W. A. Phelan, H. B. Cao, and J. F. DiTusa “Doping-induced magnetism in the semiconducting B20 compound RuGe”, Submitted (2019).
  • R. Chapai, Y. Jia, W. A. Shelton, R. Nepal, M. Saghayezhian, J. F. DiTusa, E. W. Plummer, C. Jin, and R. Jin “Fermions and Bosons in Non-symmorphic PdSb2 with Six-fold Degeneracy”, Phys. Rev. B 99, 161110(R) (2019).
  • M. A. Khan, D. E. Graf, I. Vekhter, D. Browne, J. F. DiTusa, W. A. Phelan, & D. P. Young. “Quantum oscillations and non-trivial Berry phase in the noncentrosymmetric topological superconductor candidate BiPd” Phys. Rev. B 99, 020507 (2019). (2018).
  • Y. Wu, Z. Ning, H. B. Cao, G. Cao, S. Karna, K. A. Benavides, G. T. McCandless, R. Jin, J. Y. Chan, W. A. Shelton, & J. F. DiTusa “Spin density wave instability in a ferromagnet” Scientific Reports 8, 5225 (2018).
  • J. Y. Liu, J. Hu, Q. Zhang, D. Graf, H. B. Cao, S. M. A. Radmanesh, D. J. Adams, Y. L. Zhu, G. F. Cheng, X. Liu, W. A. Phelan, J. Wei, M. Jaime, F. Balakirev, D. A. Tennant, J. F. DiTusa, I. Chiorescu, L. Spinu, & Z. Q. Mao. “A magnetic topological semimetal Sr1−yMn1−zSb2 (y, z < 0.1)” Nature Materials 16, 905-910 (2017). (2017).
  • C. Dhital, L. DeBeer-Schmitt, Q. Zhang, W. Xie, D. P. Young, & J. F. DiTusa “Exploring the origins of the Dzyalloshinski-Moriya interaction in MnSi” Phys. Rev.B 96, 214425 (2017).
  • Guixin Cao, Weiwei Xie, W. Adam Phelan, J. F. DiTusa, & Rongying Jin “Electrical anisotropy and coexistence of structural transitions and superconductivity in IrTe2” Phys. Rev.B 95, 035148 (2017).
  • C. Dhital, M. A. Khan, M. Saghayezhian, W. A. Phelan, D. P. Young, R. Y. Jin, & J. F. DiTusa “Effect of negative chemical pressure on the prototypical itinerant magnet MnSi” Phys. Rev. B 95, 024407 (2017).
  • J. H. Mendez, C. E. Ekuma, Y. Wu, B. Fulfer, J. C. Prestigiacomo, M. Jarrell, J. Moreno, W. A. Shelton, D. P. Young, P. W. Adams, A. Karki, R. Jin, J. Y. Chan, & J. F. DiTusa “Competing magnetic states, disorder, and magnetic character of Fe3Ga4” Phys. Rev.B 91, 144409 (2015).
  • J. F. DiTusa “Silicon based Magnetic Semiconductors” Chapter in the Handbook of Spintronics, edited by Yongbing Xu, David D. Awschalom, and Junsaku Nitta, Springer Reference (Dordrecht Heidelberg New York London) (2015).
  • L. J. Treadwell, P.Watkins-Curry, J. D. McAlpin, D. J. Rebar, J. K. Hebert, J. F. DiTusa, & J. Y. Chan “Investigation of Mn, Fe, and Ni incorporation in CeCo2Al8” Inorganic Chemistry 54, 963-968 (2015).
  • J. F. DiTusa, S. B. Zhang, K. Yamaura, Y. Xiong, J. C. Prestigiacomo, B. W. Fuller, P. W. Adams, M. I. Brickson, D. A. Browne, C. Capan, Z. Fisk, & J. Y. Chan “Magnetic, thermodynamic, and electrical transport properties of the noncentrosymmetric B20 germanides MnGe and CoGe” Phys. Rev.B 90,144404 (2014).
  • W. A. Phelan, G. V. Nguyen, J. K. K. Wang, G. T. McCandless, E. Morosan, J. F. DiTusa, & J. Y. Chan. “Discovery of spin glass behavior in Ln2Fe4Sb5 (Ln=La-Nd and Sm)”, Inorg. Chem. 51, 11412-11421 (2012).
  • W. A. Phelan, G. V. Nguyen, J. F. DiTusa, & J. Y. Chan. “Synthesis, magnetic, transport, and thermodynamic investigation of CeCo(Sb,Sn)3”, J. Alloys Cmpds. 523,176-181 (2012).
  • W. A. Phelan, M. J. Kangas, B. L. Drake, L. L. Zhao, J. K. K. Wang, J. F. DiTusa, E.Morosan, & J. Y. Chan. “Crystal Growth, Structure, and Physical Properties of LnCu2(Al,Si)5 (Ln=La and Ce)” Inorg. Chem. 51, 920-927 (2012).
  • S. Guo, D. P. Young, P. W. Adams, X. S. Wu, J. Y. Chan, & J. F. DiTusa, “Dimensional crossover in the electrical and magnetic properties of the layered LaSb2 superconductor under pressure: The role of phase fluctuations”, Phys. Rev.B 83, 174520 (2011).
  • M. C. Menard, B. L. Drake, G. T. McCandless, K. R. Thomas, R. D. Hembree, N. Haldolaarachchige, J. F. DiTusa, D. P. Young, & J. Y. Chan. “A Tale of Two Polymorphs: Growth and Characterization of α−LnNiGa4 (Ln = Y, Gd-Yb) and β−LnNi1−xGa4 (Ln = Tb-Er).” Eur. J: Inorg. Chem. 201100289 (2011).
  • J. F. DiTusa, V. Guritanu, S. Guo, D. P. Young, P. W. Adams, R. G. Goodrich, J. Y. Chan, & D. van der Marel, “Optical conductivity and superconductivity in LaSb2”, J. Phys: Conf. Ser. 273, 012151 (2011).
  • R. G. Goodrich, C. Capan, A. D. Bianchi, Z. Fisk, J. F. DiTusa, I. Vekhter, D. P. Young, L. Balicas, Y-J. Yo, T. Murphy, J. Y. Cho, & J. Y. Chan, “SC-to-AFM transition in CeCo(In1−xCdx)5: de Haas-van Alphen measurements”, J. Phys: Conf. Ser. 273, 012113 (2011).
  • J. F. DiTusa, R. G. Goodrich, N. Harrison, & E. S. Choi, “Fermi surface of Cr1−xVx across the quantum critical point”, Phys. Rev.B 82, 075114 (2010).
  • C. Capan, Y-J. Jo, L. Balicas, R. G. Goodrich, J. F. DiTusa, I. Vekhter, T. P. Murphy, A. D. Bianchi, L. D. Pham, J. Y. Cho, J. Y. Chan, D.P. Young, & Z. Fisk, “Fermi surface evolution through a heavy fermion superconductor-to-antiferromagnet transition: de Haas-van Alphen effect in Cd substituted CeCoIn5”, Phys. Rev.B 82, 035112 (2010) [Editors’ suggestion].
  • S. Guo, D. P. Young, R. T. Macaluso, D. A. Browne, N. L. Henderson, J. Y. Chan, L. L. Henry, & J.F. DiTusa, “Magnetic and thermodynamic properties of cobalt doped iron pyrite: Griffiths phase in a magnetic semiconductor”, Phys. Rev.B 81, 144423 (2010).
  • S. Guo, D. P. Young, R. T. Macaluso, D. A. Browne, N. L. Henderson, J. Y. Chan, L. L. Henry, & J. F. DiTusa, “Charge transport in cobalt-doped iron pyrite”, Phys. Rev.B 81, 144424 (2010).
  • M. Li, S. L. De Rooy, D. K. Bwambok, B. El-Zahab, J. F. DiTusa, & I. M. Warner, “Magnetic chiral liquids derived from amino acids”, Chemical Communications 45, 6922-6924 (2009).
  • C. Capan, L. Balicas, T.P. Murphy, E.C. Palm, R. Movshovich,D. Hall, S.W. Tozer, M.F. Hundley, E.D. Bauer, J.D. Thompson, J.L. Sarrao, J.F. DiTusa, R.G. Goodrich, & Z. Fisk. “Unusual metamagnetism in CeIrIn5”, Phys. Rev.B 80, 094518 (2009).
  • N. Manyala, B.D. Ngom, A.C. Beye, R. Bucher, M. Maaza, A. Strydom, A. Forbes, A.T.C. Johnson, & J.F. DiTusa. “Structural and magnetic properties of epsilon-Fe1−xCoxSi thin films deposited via pulsed laser deposition”, Appl. Phys.Lett. 94, 232503 (2009).
  • N. Manyala, J.F. DiTusa, G. Aeppli, & A.P. Ramirez. “Doping a semiconductor to create an unconventional metal”, Nature 454, 976-980 (2008).
  • D.P. Gautreaux, C. Capan, J.F. DiTusa, D.P. Young, & J.Y. Chan. “Synthesis, structure, and physical properties on LnNi(Sn,Sb)3 (Ln = Pr, Nd, Sm, Gd, Tb)”, J. Sol. St. Chem. 181, 1977-1982 (2008).
  • C. Capan, R.G. Goodrich, J.F. DiTusa, L. Balicas, Y.J. Jo, T.P. Murphy, E.C. Palm, R. Movshovich, E.D. Bauer, M.F. Hundley, J.D. Thompson, J.L. Sarrao, D. Hall, & S.W. Tozer. “Metamagnetism in CeIrIn5: Magnetoresistance and dHvA investigation”, Physica B - Condensed Matter 403, 797-799 (2008).
  • C. Capan, S. Singh, S. Wirth, M. Nicklas, H. Lee, Z. Fisk, J.F. DiTusa, & F. Steglich. “New hints on the origin of quantum criticality in CeCoIn5: A Hall effect study”, PhysicaB 403 1290-1292 (2008).
  • S. Guo, D.P. Young, R.T. Macaluso, D.A. Browne, N.L. Henderson, J.Y. Chan, L.L. Henry, & J.F. DiTusa. “Discovery of the Griffiths phase in the itinerant magnetic semiconductor Fe1−xCoxS2”, Phys. Rev. Lett. 100, 017209 1-4 (2008).
  • C. Capan, S. Singh, S. Nair, M. Nicklas, H. Lee, J.F. DiTusa, Z. Fisk, S. Wirth, & F. Steglich. “Crossover from Landau Fermi liquid to non-Fermi liquid behavior: Indications from Hall measurements on CeCoIn5”, Physica C 460 678-679 (2007).
  • G.Y. Xu, C. Broholm, Y.A. Soh, G. Aeppli, J.F. DiTusa, Y. Chen, M. Kenzelmann, C.D. Frost, T. Ito, K. Oka, & H. Takagi. “Mesoscopic phase coherence in a quantum spin fluid”, Science 317, 1049-1052 (2007).
  • S. Singh, C. Capan, M. Nicklas, M. Rams, A. Gladun, H. Lee, J.F. DiTusa, Z. Fisk, F. Steglich, & S. Wirth “Probing the quantum critical behavior of CeCoIn5 via Hall effect measurements” Phys. Rev. Lett. 98, 57001 1-4 (2007).
  • F.P. Mena, J.F. DiTusa, D. van der Marel, G. Aeppli, D.P. Young, A. Damascelli, & J.A. Mydosh “Suppressed reflectivity due to spin-controlled localization in a magnetic semiconductor”, Phys. Rev.B. 73, 085205 1-7 (2006).
  • N. Manyala, Y. Sidis, J.F. DiTusa, G. Aeppli, D.P. Young, & Z. Fisk, “Large Anomalous Hall Effect in a Silicon Based Magnetic Semiconductor”, Nature Materials, 3, 255-262 (2004).
  • R.G. Goodrich, D. Browne, R. Kurtz, D.P. Young, J.F. DiTusa, P.W. Adams, D. Hall, “De Haas - van Alphen measurements of the electronic structure of LaSb2”, Phys. Rev. B 69, 125114 1-4 (2004).
  • M. Kenzelmann, G. Xu, I.A. Zaliznyak, C. Broholm, J.F. DiTusa, G. Aeppli, T. Ito, K. Oka, & H. Takagi, “Structure of end states for a Haldane spin chain”, Phys. Rev. Lett. 90, 087202 1-4 (2003); and 90, 109902.
  • D.P. Young, R.G. Goodrich, J.F. DiTusa, S. Guo, & P.W. Adams “High magnetic field sensor using LaSb2”, Appl. Phys. Lett. 82, 3713-3715 (2003).
  • J.Y. Chan, F.R. Fronczek, D.P. Young, J.F. DiTusa & P.W. Adams, ”Synthesis, Structure, and Superconductivity in Be1.09B3” J. Sol. St. Chem. 163, 385-389 (2002).
  • N. Manyala, Y. Sidis, J.F. DiTusa, G. Aeppli, D.P. Young, & Z. Fisk ”Magnetoresistance from quantum interference effects in ferromagnets” Nature 404, 581-584 (2000); and 408 616 (2000).
  • G. Xu, G. Aeppli, M.E. Bisher, C. Broholm, J.F. DiTusa, C.D. Frost, T. Ito, K. Oka, R.L. Paul, H. Takagi, & M.M.J. Treacy “Holes in a Quantum Spin Liquid” Science 289, 419-422 (2000).
  • V.Yu. Butko, J.F. DiTusa, & P.W. Adams “Tenfold Magnetoconductance in a Nonmagnetic Metal Film” Phys. Rev. Lett. 85, 162-165 (2000).
  • V. Yu. Butko, J.F. DiTusa, & P.W. Adams ”Coulomb gap: How a Metal Film Becomes an Insulator” Phys. Rev. Lett. 84, 1543-1546 (2000).
  • G. Aeppli & J.F. DiTusa ”Undoped and doped FeSi or how to make a heavy fermion metal with three of the most common elements” Materials Science and Engineering B63, 119-124 (1999).
  • J.F. DiTusa, K. Friemelt, E. Bucher, G. Aeppli, & A.P. Ramirez “The Heavy Fermion Metal – Kondo Insulator Transition in FeSi1−xAlx” Phys. Rev. B 58, 10288-10301 (1998).
  • J.F. DiTusa, K. Friemelt, E. Bucher, G. Aeppli, & A.P. Ramirez “Metal Insulator Transition in the Kondo Insulator FeSi and Classic Semiconductors Are Similar” Phys. Rev. Lett. 78, 2831-2834 (1997); and 78, 4309 (1997).
  • G. Aeppli, C. Broholm, J.F. DiTusa, S.M. Hayden, S.H. Lee, T.E. Mason, H.A. Mook, K. Oka, T.G. Perring, A. Schroder, H. Takagi, & G. Xu “Magnetic Coherence in the Transition Metal Oxides” Physica B 237, 30-35 (1997).
  • Guangyong Xu, J.F. DiTusa, T. Ito, K. Oka, H. Takagi, C. Broholm, & G. Aeppli “Y2BaNiO5: A Nearly Ideal Realization of the S=1 Heisenberg Chain with Antiferromagnetic Interactions” Phys. Rev. B 54, R6827-R6830 (1996).
  • C. Broholm, G. Aeppli, S.-H. Lee, W. Bao, & J.F. DiTusa “Strong Magnetic Fluctuations in Transition Metal Oxides” J. Appl. Phys. 79, 5023-5028 (1996).
  • K. Friemelt, J.F. DiTusa, E. Bucher, & G. Aeppli “Coulomb Interactions in Al doped FeSi at Low Temperatures” Annalen der Physik 5, 175-183 (1996).
  • B. Bucher, Z. Schlesinger, D. Mandrus, Z. Fisk, J. Sarrao, J.F. DiTusa C.S. Ogelsby, G. Aeppli, & E. Bucher “Charge Dynamics of Ce Based Compounds: Connection between the Mixed Valent and Kondo Insulator States” Phys. Rev. B 53, R2948-R2951 (1996).
  • G. Aeppli, W. Bao, C. Broholm, S.-W. Cheong, P. Dai, S.M. Hayden, T.E. Mason, H.A. Mook, T.G. Perring, & J.F. DiTusa “Magnetic Correlations in Doped Transition–Metal Oxides” Spectroscopy of Mott Insulators and Correlated Metals, Springer Series in Solid State Sciences, 119, Edited by A. Fujimori and Y. Tokura, Springer Verlag, Berlin, 205-212 (1995).
  • Z. Fisk, J.L. Sarrao, J.D. Thompson, D. Mandrus, M.F. Hundley, A. Miglori, B. Bucher, Z. Schlesinger, G. Aeppli, E. Bucher, J.F. DiTusa, C.S. Ogelsby, H-R. Ott, P.C. Canfield, & S.E. Brown “Kondo Insulators” Physica B 206 & 207, 798-803 (1995).
  • J.F. DiTusa, S-W. Cheong, J.-H. Park, G. Aeppli, C. Broholm, & C.T. Chen “Magnetic and Charge Dynamics in a Doped One–Dimensional Transition Metal Oxide” Phys. Rev. Lett. 73, 1857-1860 (1994).
  • Gabriel Aeppli, Z. Fisk, & J.F. DiTusa, “Are Kondo Insulators Simply Insulators?” Proceedings of the Los Alamos Workshop on Strongly Correlated Fermi Systems, Springer–Verlag, New York (1994).
  • J.F. DiTusa, S-W. Cheong, C. Broholm, G. Aeppli, L.W. Rupp, Jr., & B. Batlogg, “One–Dimensional Spin Fluctuations in a Transition Metal Oxide” Physica B 194-196, 181-182 (1994).
  • Z. Schlesinger, Z. Fisk, Hai-Tao Zhang, M.B. Maple, J.F. DiTusa, & G. Aeppli, “Unconventional Charge Gap Formation in FeSi” Phys. Rev. Lett. 71, 1748-17501 (1993).
  • K. Lane, J.F. DiTusa, M. Park, M.S. Isaacson, & J.M. Parpia, “Electron Heating Experiments Below the Spin Glass Resistance Maximum” J. Low Temp. Phys. 93, 7-14 (1993).
  • J.F. DiTusa, K. Lin, M.S. Isaacson, & J.M. Parpia, “Role of Phonon Dimensionality on Electron–Phonon Scattering Rates” Phys. Rev. Lett. 68, 1156-1159 (1992).
  • J.F. DiTusa, K. Lin, M. Park, M.S. Isaacson, & J.M. Parpia, “Finite–Size Effects in the Low–Temperature Resistivity of CuCr Films” Phys. Rev. Lett. 68, 678-681 (1992).
  • J.F. DiTusa, Y.K. Kwong, K. Lin, M. Park, M.S. Isaacson, & J.M. Parpia, “The Electron–Phonon Scattering Rate in Thin Free–Standing Metallic Films” Proceedings of the Seventh International Conference on Phonon Scattering in Condensed Matter, 143-144 Springer–Verlag, New York (1992).
  • J.F. DiTusa, J.M. Parpia, & J.M. Phillips, “Quantum Transport in Ultrathin CoSi2 Epitaxial Films” Appl. Phys. Lett. 57, 452-454 (1990).
  • J.F. DiTusa, J.M. Parpia, & J.M. Phillips, “Low Temperature Transport in Epitaxial CoSi2 Films” Physica B 165 & 166, 863-864 (1990).
  • V. Kotsubo, J.F. DiTusa, T. Hall, R. Mihailovich, & J.M. Parpia, “Reduction of the Superfluid Fraction of 3He in Sintered Silver” Jpn. J. Appl. Phys. 26 143-144 (1987).
  • R.E. Warner, J.F. DiTusa, A. Nadasen et al. “The Mechanism of the 7Li(d,2α)n Reaction From Ed = 3 to 15 MeV” Nuclear Physics A470, 339-348 (1987).


  • American Physical Society (1988 - present)


  • 2000 College of Basic Sciences Faculty Research Award, Louisiana State University
  • 1998 Non-tenured Faculty Award in the area of Natural & Physical Sciences, given by the Louisiana State University Chapter of the Honor Society of Phi Kappa Phi
  • 1997 National Science Foundation CAREER Award