University of Saskatchewan Department of Physics & Engineering Physics

 John Tse   John S. Tse
  Professor, Canada Research Chair in Materials Science
  Fellow, Royal Society of Canada
   Email Address  : John.Tse@usask.ca
   Phone Number  : (306) 966-6410
   Fax Number  : (306) 966-6400

Personal Info Research Publication List Invited Lecture Teaching


  • Computer modelling of phase transformations in solids and using first principles quantum     and classical molecular dynamics methods.

  • Theoretical design of energy efficient materials.

  • Theoretical study of the electronic structure of semiconductors and superconductors.

  • Development and application of high resolution techniques with synchrotron radiation.




  •  Publication List in Pdf Format  Publication List in Word Format
    PUBLICATION HIGHLIGHTS

  • A.A. Leitch, K. Lekin, S.M. Winter, L.E. Downie, H. Tsuruda, J.S. Tse, M. Mito, S. Desgreniers, P.A. Dube, S. Zhang, Q. Liu, C.Q. Jin, Y. Ohishi, and R.T. Oakley, From Magnets to Metals: The Response of Tetragonal Bisdiselenazolyl Radicals to Pressure, J. Am. Chem. Soc., 133, 6051 2011 NEW!
  • N.J. English and J.S. Tse, Density Fluctuations in Liquid Water, Phys. Rev. Lett., 106, 037801 2011
  • W.L. Lim, J.S. Tse and T. Iitaka, Pressure-induced structural changes and intermolecular interactions in crystalline silane-hydrogen, Phys. Rev. Lett., 105, 21550, 2010.
  • K. Lekin, S. Winter, L. Downie, X. Bao, J.S. Tse, S. Desgreniers, R. Secco, P. Dube and R. Oakley, Hysteretic Spin Crossover between a Bisdithiazolyl Radical and its Hypervalent Dimer, J. Amer. Chem. Soc.,132,16212, 2010.
  • J.S. Tse, A. Leitch, X. Yu, X. Xuezhao, S. Zhang, Q.Q. Liu, C. Jin, R. Secco, S. Desgreniers, Y. Ohishi and R. Oakley, Metallization of a hypervalent radical dimer: Molecular and band perspectives, J. Amer. Chem. Soc., 132, 4876-4886, 2010.
  • M. Mito, Y. Komorida, H. Tsuruda, J.S. Tse, S. Desgreniers, Y. Ohishi, A.A. Leitch, K. Cvrkalj, C.M. Robertson, and Richard T. Oakley, Heavy Atom Ferromagnets under Pressure: Structural Changes and the Magnetic Response, J. Amer. Chem. Soc., Comm., 131 16012, 2009.
  • N.J. English and J.S. Tse, Mechanisms for thermal conduction in methane hydrate, Phys. Rev. Lett., 103, 015901 2009
  • J.S. Tse, D.D. Klug, S. Desgreniers, J. Smith, R. Dutrisac, Instability of CaLi2 at High Pressure: Theoretical Prediction and Experimental Results, Europhys. Lett., 86, 56001, 2009
  • Y. Yao, J.S. Tse, J. Sun, D.D. Klug, R. Martonak and T. Iitaka, Comment on .New Metallic Carbon Crystal, Phys. Rev. Lett., 102, 229601, 2009
  • J.S. Tse, Boron charged under Pressure, Nature, 457, 800, 2009.
  • Y. Yao, J.S. Tse, and D.D. Klug, Structures of insulating phases of dense lithium, Phys. Rev. Lett., 102, 115503, 2009.
  • Y. Meng, P Eng, J.S. Tse, D.M. Shaw, M. Hu, J. Shu, S. Gramsch, C.C. Kao, R.J. Hemley, H-k. Mao, Inelastic x-ray scattering of dense solid oxygen: evidence for intermolecular bonding, Proc. Natl., Acad. Sci., 105, 11640 2008.
  • J.S. Tse, D.M. Shaw, D.D. Klug, S.Patchkovskii, G. Vanko, M. Krisch, X-ray Raman spectroscopic study of water in the condensed phases, Phys. Rev. Lett., 100, 095502 2008.
  • M. Eremets, I.A. Trojan, S.A. Medvedev, J.S. Tse and Y. Yao, Superconductivity in Hydrogen Dominant Materials: Silane, Science, 319, 1506 2008.
  • I. Goncharenko, M.I. Eremets, M. Hanfland, J.S. Tse , M. Amboage, Y. Yao and I.A.Trojan, Pressure-induced hydrogen-dominant metallic state in aluminum hydride, Phys. Rev. Lett., 100, 45504, 2008
  • J.J. Yang, J.S. Tse, Y. Yao and T. Iitaka, Structural and Electronic Properties of Pristine and Ba-doped Clathrate-like Carbon Fullerenes, Angewandte Chemie, 46, 6275, 2007.
  • Y. Yao, J.S. Tse, Y. Ma and K. Tanaka, Superconductivity in high-pressure SiH4, Europhys. Lett., 78, 37003, 2007
  • J.S. Tse, Y. Yao and K. Tanaka, Novel superconductivity in metallic SnH4 under high pressure, Phys. Rev. Lett., 98, 117004 2007
  • J.S. Tse, T. Iitaka and K. Parlinski, Vibrational Properties and Superconductivity in Ba24Si100, Europhys. Lett., 75, 153 2006.
  • V.V. Struzhkin, H-k Mao, J-F. Lin, R.J. Hemley, J.S. Tse, Y. Ma, M.Y. Hu, P. Chow, and C.C. Kao, Valence band x-ray emission spectra of compressed germanium, Phys. Rev. Lett. 96, 137402, 2006
  • J. S. Tse, D. D. Klug, J.Y. Zhao, W. Sturhahn, E.E. Alp, J. Baumert, C. Gutt, M.R. Johnson and W. Press, Anharmonic motions of Kr in the clathrate hydrate. Nature Materials, 4, 917, 2005Y.Q. Cai, H-k. Mao, P.C. Chow, J.S. Tse, Y. Ma, S. Patchkovskii, J.F. Shu, V. Struzhkin, R.J. Hemley, H. Ishii, C.C. Chen, C.T. Chen and C.C. Kao, Ordering of hydrogen bonds in high-pressure-low temperature H2O, Phys. Rev. Lett., 94, 25502 2005S.
  • S. Patchkovskii, J.S. Tse, S.N. Yurchenko, L. Zhechkov, T. Heine, G. Seifert, Graphene nanostructures as tunable storage media for molecular hydrogen, Proc. Natl. Acad. Sci., 102, 10439 2005M.
  • Guthrie, C.A. Tulk, C.J. Benmore, J. Xu, J.L. Yarger, D.D. Klug, J.S. Tse, H-k. Mao and R.J. Hemley, Formation and structure of a dense octahedral glass, Phys. Rev. Lett., 93, 115520, 2004.
  • S. Patchkovskii and J.S. Tse, Thermodynamic Stability of Hydrogen Clathrates, Proc. Nat. Acad. Sci., 100, 14645, 2003.
  • J. Haines, C. Chateau, J.M. Leger, C. Bogicevic, S. Hull, D.D. Klug and J.S. Tse, Phys. Rev. Lett., 91, 015503, 2003.
  • V. P. Shpakov, P. M. Rodger, J.S. Tse, D. D. Klug, and V. R. Belosludov , Thermodynamic discontinuity between low-density amorphous ice and supercooled water, Phys. Rev. Lett., 88 , 155502 2002.
  • J. Li, J. Jia, J. Xue, L. Xi, X. Liu, J. Wang, Q. Xue, Z.Q. Li, J.S. Tse, Z. Zhang, and S. B. Zhang, Spontaneous assembly of perfectly ordered identical-size nanocluster arrays, Phys. Rev Lett., 88, 066101 2002.
  • J.S. Loveday, R.J. Nelmes, M. Guthrie, S.A. D.D. Klug and J.S. Tse, Transition from Cage Clathrate to Filled Ice: The Structure of Methane Hydrate III., Phys. Rev. Lett., 87:215501, 2001
  • J.S. Loveday, R.J. Nelmes, M. Guthrie, S.A. Belmonte, D.R. Allan, D.D. Klug, J.S. Tse and Y.P. Handa, Existence of stable methane hydrate above 2 GPa and the implication for Titan, Nature, 410:661, 2001
  • Z.Q. Li and J.S. Tse, .Reply to comments on Phonon Anomaly in High Pressure Zn., Phys. Rev. Lett., 87:259602, 2001
  • Z.Q. Li and J.S. Tse, Phonon Anomaly in High Pressure Zn, Phys. Rev. Lett., 85:5130 2000.
  • J.S. Tse, D.D. Klug, C.A. Tulk, E.C. Svensson, I. Swainson, V.P. Shpakov and V.R. Belosludov, Origin of Low-Frequency Local Vibrational Modes in High Density Amorphous Ice, Phys. Rev. Lett., 85:3185, 2000.
  • J.S. Tse, K. Uehara, R. Rosseau, A. Ker, C.I. Ratcliffe, M.A. White and G. MacKay, Structural Principles and Amorphous-like Thermal Conductivity of Na-doped Si Clathrates, Phys. Rev. Lett., 85:114, 2000.
  • J.S. Tse, G. Frapper, A. Ker, R. Rousseau, and D. D. Klug. Phase stability and electronic structure of K-Ag intermetallics at high pressure. Phys.Rev.Lett. 82:4472, 1999.
  • J.S. Tse, D. D. Klug, C. A. Tulk, I. P. Swainson, E. C. Svensson, C-K. Loong, V. P. Shpakov, V. R. Belosludov, R. V. Belosludov, and Y. Kawazoe. The mechanisms for pressure-induced amorphization of ice lh. Nature 400:647, 1999.
  • J.S. Tse and D. D. Klug. The anomalous isostructural transformation in ice VIII. Phys.Rev.Lett. 81:2466, 1998.
  • D. W. Boo, Z. F. Liu, A. G. Suits, J.S. Tse, and Y. T. Lee. Dynamics of carbonium ions solvated by molecular hydrogen: CH 5+(H2)n (n=1,2,3). Science 269:57, 1995.
  • J.S. Tse and D. D. Klug. Evidence from molecular dynamics simulations for non-metallic behaviour of solid hydrogen at 160 GPa. Nature 378:595, 1995.
  • J.S. Tse, D. D. Klug, and K. Laasonen. Structural dynamics of protonated methane and acetylene. Phys.Rev.Lett. 74:876, 1995.
  • J.S. Tse, D. D. Klug, J. A. Ripmeester, S. Desgreniers, and K. Lagerec. The role of non-deformable units in pressure-induced reversible amorphization of clathracils. Nature 369:724, 1994.
  • J.S. Tse and D. D. Klug. Anisotropy in the structure of pressure-induced disordered solids. Phys.Rev.Lett. 70:174, 1993.
  • J.S. Tse, D. D. Klug, and Y. LePage. A novel high pressure form of silica. Phys.Rev.Lett. 69:3647, 1992.
  • J.S. Tse and D. D. Klug. Structural memory in pressure-amorphized AlPO4. Science 255:1559, 1992.
  • J.S. Tse and D. D. Klug. The structure and dynamics of silica polymorphs using a two-body
  • J.S. Tse and D. D. Klug. Mechanical instability of .-quartz: a molecular dynamics study. Phys.Rev.Lett. 67:3559, 1991.
  • D. W. Davidson, M. A. Desando, S. R. Gough, Y. P. Handa, C. I. Ratcliffe, J. A. Ripmeester, and J.S. Tse. A clathrate hydrate of carbon monoxide. Nature 328:418, 1987.
  • J. R. Morton, K. F. Preston, A. Sayari, and J.S. Tse. Reactions of a paramagnetic silver cluster with NH3 and C2H4. J.Phys.Chem. 91:2117, 1987.
  • J. A. Ripmeester, J.S. Tse, C. I. Ratcliffe, and B. M. Powell. A new clathrate hydrate structure. Nature 325:135, 1987.
  • J.S. Tse and M. L. Klein. Molecular dynamics dtudies on the pressure induced order . amorphous transitions in ice Ih. Phys.Rev.Lett. 58:1682, 1987.
  • D. W. Davidson, Y. P. Handa, C. I. Ratcliffe, J.S. Tse, and B. M. Powell. The ability of small molecules to form clathrate hydrates of structure II. Nature 311:142, 1984.
  • R. P. Gupta, J.S. Tse, and G. M. Bancroft. Core level ligand field splittings in the photoelectron spectra. Phil.Trans.Roy.Soc. 293A:535, 1980.