Michael DeMarco
Professor

Science Building, Room 262

email:demarcmj@buffalostate.edu
Phone:(716)-878-5004

Education

 B.S.E.E. Mahattan College

M. A.   Queens College of CUNY

Ph. D.   University of Cincinnati

Research Interests

My area of research is condensed matter physics studied by using the Mossbauer effect

Papers:

 “Absence of the hyperfine magnetic field at the Ru site in ferromagnetic rare-earth intermetallics”,

D. Coffey, M. DeMarco, P.C. Ho, M. B. Maple, T. Sayles, J. W. Lynn, Q. Huang, S. Toorongian and M. Haka, Phys. Rev. B 81, 184404 (2010).

^{"Surface induced suppression of magnetization in nanoparticles ",
C. Westman, S. Jang, C. Kim, S. He, G. Harmon, N. Miller, B. Graves, N. Poudyal, R. Sabirianov, H. Zeng, M. DeMarco, and J. P. Liu,  J. Phys. D: Appl. Phys.41, 225003 (2008).}

^{" Investigation of the Mossbauer spectrum of RuSr}₂^GdCu₂^O₈ ^{as a function of Temperature ",
D. Coffey, M. DeMarco, B. Dabrowski, S. Kolesnik, S. Toorongian and M. Haka,  Phys. Rev. 77, 174513 (2008).}

^{"Orbital ordering transition in La}₄^Ru₂^O₁₀ ^{probed with Mossbauer spectroscopy ",
R. Heary, D. Coffey, M.DeMarco, P. Khalifah, S. Tooringian and M. Haka,   Physica B 393, 78 ( 2007).}

^{"99Ru Mossbauer effect study of off-stoichiometric SrRu}_1-n^O₃ ^{synthesized with different Curie temperatures",
M. DeMarco, D. Coffey, R. Heary, B. Dabrowski, P. Klamut, M. Maxwell, S. Toorongian and M. Haka,   Phys. Rev. 71, 104403 (2005).}

^{"99Ru Mossbauer effect measurements in superconducting and magnetic RuSr}₂^GdCu₂^O₈^{",
M. DeMarco, D. Coffey, J. Tallon, M. Haka, S. Toorongian and J. Fridmann, Phys. Rev. 65, 212506 (2002).}

^{"Temperature dependence of the hyperfine magnetic field in SrRuO}₃ ^{measured by the 99Ru Mossbauer Effect",
 M. DeMarco, G. Cao, J. E. Crow, D. Coffey, S. Toorongian, M. Haka and J. Friedmann,  Phys. Rev B 62, 14297 (2000).}

^{"Observation of a magnetic phase transition in superconducting Sr}₂^YRu_0.95^Cu_0.05^O₆ ^{by the 99Ru Mossbauer effect ",
  M. DeMarco, H.A. Blackstead, John D. Dow, M.K.Wu, D.Y. Chen, F.Z. Chen, M.Haka, S.Toorongian, and J. Fridmann, Phys. Rev B 62, 14301 (2000).}

^{"Magnetism and superconductivity in the Sr}₂^YRu_1-u^Cu_u^O₆ ^{and magnetism in Ba}₂^GdRu_1-u^Cu_u^O₆ ^{",
 H.A. Blackstead, John D. Dow, D.R.Harshman, M.J.DeMarco, M.K.Wu, M.Haka, and S.Toorongian, Eur. Phys. J. B15, 649-656 (2000).}

^{" Transitions in Sr}₂^RuO₄ ^{Compounds studied by the 99Ru Mossbauer effect ",
  M. DeMarco, D.Graf, J.T.Rijssenbeek, R.J.Cava, D.Z.Wang, Z.R.Wang, Y.Tu, J.H.Wang, , M.Haka, S.Toorongian, M.J.Leone, and M.J.Naughton, Phys. Rev. B 60, 7570-7574 (1999).}

^{Other papers of Interest:}

^{" 99Ru Mossbauer effect study of Ruthenium Nitrosyls",
  M. Scott Goodman, M. De Marco, M. Haka, S. Toorongian and J. Fridmann,
Chem. Soc., Dalton Trans., 2002, 117-120 (2002).}

^{"Mossbauer and Magnetization Studies of Nickel Ferrites",
  M. De Marco, X.W.Wang, R.L.Snyder, S.Bayya, M.White, M.J.Naughton, J.Simmons, J.Appl. Phys., 73, 6287(1993).}

^{"Oxygen Removal by Hydrogen Gas in 57Fe Doped YBa}₂^Cu₃^O_x^{",
  M. De Marco, Min Qui, Jui H.Wang, M.Chaparla, and M.J.Naughton, Sol. St. Comm. 78, 385 (1991).}

^{" Iron substitution in Y}₂^Ba₃^Cu₂^O₆ ^{and YBa}₂^Cu₃^O_7-x ^{",
  M. De Marco, G.Trbovich, , X.W. Wang, J. Hao, M.J. Naughton, and M. White, J. Appl. Phys. 69, 4886 (1991).}

^{" Hyperfine Magnetic Field measurement in the Heusler Alloy Ni2MnGa ",
S.Jha, H.M. Seyoum, M. DeMarco,G.M. Julian, G.K. Shenoy and R.A. Dunlap, Phys. Rev. B 32, 6104 (1985).}