Publications of the High Pressure Group

[2005] [2004] [2003] [2002] [2001] [2000] [1999] [1998] [1997] [1996] [1995] [1994]

 

2006

• Coming

2005

• Effect of pressure on the structural properties and Raman modes of LiCoO₂
  X. Wang, I. Loa, K. Syassen, K. Kunc, K. Syassen, and M. Amboage
  Phys. Rev. B 72, 224102 (2005).
   
• Interplay of metallic and ionic bonding in layered subnitrides AE₂N (AE = Ca, Sr, or Ba) under high pressure
  G. V. Vajenine, A. Grzechnik, K. Syassen, I. Loa, M. Hanfland, and A. Simon
  Comptes Rendus Chimie 8, 1897 (2005).
   
• Structural properties of the sesquicarbide superconductor La₂C₃ at high pressure
  X. Wang, I. Loa, K. Syassen, R. K. Kremer, A. Simon, M. Hanfland, K. Ahn
  Phys. Rev. B 72, 064520 (2005).
   
• Raman scattering in osmium under pressure
  Yu. S. Ponosov, I. Loa, V. E. Mogilenskikh, K. Syassen
  Phys. Rev. B 71, 220301(R) (2005).
   
• Pressure-driven orbital reorientation and change in Mott-Hubbard gap in YTiO₃
  I. Loa, X. Wang, K. Syassen, H. Roth, T. Lorenz, M. Hanfland, Y.-L. Mathis
  submitted, preprint: cond-mat/0504383.
   
• Li₂O at high pressures: structural properties, phase-transition, and phonons
  K. Kunc, I. Loa, A. Grzechnik, K. Syassen
  phys. stat sol. (b) 242, 1857 (2005).
   
• Infrared properties of the quasi-one-dimensional superconductor β-Na_0.33V₂O₅ under pressure
  C. A. Kuntscher, S. Frank, I. Loa, K. Syassen, T. Yamauchi, Y. Ueda
  Phys. Rev. B 71, 220502(R) (2005).
   
• Crystal structure and lattice dynamics of SrCu₂(BO₃)₂ at high pressures
  I. Loa, F. Zhang, K. Syassen, P. Lemmens, W. Crichton, H. Kageyama, Y. Ueda
  Physica B 359–361, 980 (2005).
   
• Effect of pressure on the structural properties of the spin tetrahedra compound Cu₂Te₂O₅Br₂
  X. Wang, I. Loa, K. Syassen, P. Lemmens, M. Hanfland, M. Johnsson
  J. Phys.: Condens. Matter 17, S807 (2005).
   
• High-pressure dissociation of crystalline para-diiodobenzene: optical experiments and Car-Parrinello calculations
  A. Brillante, R. G. Della Valle, L. Farina, E. Venuti, C. Cavazzoni, A. P. J. Emerson, and K. Syassen
  J. Am. Chem. Soc. 127, 3038 (2005).
   

2004

• Structural properties of the zircon- and scheelite-type phases of YVO₄ at high pressure
  X. Wang, I. Loa, K. Syassen, M. Hanfland, B. Ferrand
  Phys. Rev. B. 70, 064109 (2004).
   
• Structural properties, infrared reflectivity, and Raman modes of SnO at high pressure
  X. Wang, F. X. Zhang, I. Loa, K. Syassen, M. Hanfland, Y.-L. Mathis
  phys. stat. sol (b) 241, 3168 (2004).
   
• Transition from Mott insulator to superconductor in GaNb₄Se₈ and GaTa₄Se₈ under high pressure
  M. M. Abd-Elmeguid,B. Ni, D. I. Khomskii, R. Pocha, D. Johrendt, X. Wang, and K. Syassen
  Phys. Rev. Lett. 93, 126403 (2004).
   
• Crystal structure of LaTiO_3.41 under pressure
  I. Loa, K. Syassen, X. Wang, F. Lichtenberg, M. Hanfland, C. A. Kuntscher
  Phys. Rev. B. 69, 224105 (2004) [preprint: cond-mat/0402677].
   
• Vibrational properties of the high-pressure Cmcm phase of ZnTe
  J. Camacho, K. Parlinski, A. Cantarero, and K. Syassen
  Phys. Rev. B. 70, 033205 (2004).
   
• Radial superlattices and single nanoreactors
  Ch. Deneke, N.-Y. Jin-Phillipp, I. Loa, O. G. Schmidt
  Appl. Phys. Lett. 84, 4475 (2004).
   
• Effect of pressure on crystal-field transitions of Nd-doped YVO₄
  F. J. Manjón, S. Jandl, G. Riou, B. Ferrand, and K. Syassen
  Phys. Rev. B. 69, 165121 (2004).
   
• Diamond under pressure: Ab-initio calculations of the equation of state and optical phonon frequency revisited
  K. Kunc, I. Loa, K. Syassen
  High Pressure Res. 24, 101 (2004).
   

2003

• Equation of state and phonon frequency calculations of diamond at high pressures
  K. Kunc, I. Loa, K. Syassen
  Phys. Rev. B 68, 094107 (2003).
   
• Raman spectroscopy on carbon nanotubes at high pressure
  I. Loa
  J. Raman Spectrosc. 34, 611 (2003).
   
• Pressure dependence of optical phonons in ZnCdSe alloys
  J. Camacho, I. Loa, A. Cantarero, K. Syassen, I. Hernández-Calderón, and L. González
  phys. stat. sol. (b) 235, 432 (2003).
   
• Effect of pressure on structural properties and energy band gaps of γ-InSe.
  D. Olguín, A. Cantarero, C. Ulrich, and K. Syassen
  phys. stat. sol. (b) 235, 456 (2003).
   
• Pressure dependence of photoluminescence spectra of self-assembled InAs/GaAs quantum dots
  F. J. Manjón, A. R. Goñi, K. Syassen, F. Heinrichsdorff, and C. Thomsen
  phys. stat. sol. (b) 235, 496 (2003).
   
• Pressure-induced phase transition in pentacene
  L. Farina, A. Brillante, R. G. Della Valle, E. Venuti, M. Amboage, and K. Syassen
  Chem. Phys. Lett. 375, 490 (2003).
   
• Pentacene at high pressure
  L. Farina, K. Syassen, A. Brillante, R. G. Della Valle, E. Venuti, and N. Karl
  High Pressure Res. 23, 349 (2003).
   
• MgB₂ and AlB₂ at high pressures
  I. Loa, K. Kunc, and K. Syassen
  High Pressure Res. 23, 129 (2003).
   
• Inelastic X-ray scattering in Cs under pressure
  I. Loa, K. Kunc, K. Syassen, M. Krisch, A. Mermet, and M. Hanfland
  High Pressure Res. 23, 1 (2003).
   

2002

• Crystal structure and lattice dynamics of AlB₂ under pressure and implications for MgB₂
  I. Loa, K. Kunc, K. Syassen, P. Bouvier
  Phys. Rev. B 66, 134101 (2002).
   
• Pressure-volume relationship of Ta
  M. Hanfland, K. Syassen, and J. Köhler
  J. Appl. Phys. 91, 4143 (2002).
   
• High-pressure Raman Study of Zincblende, Cinnabar, Cmcm Phases of ZnTe
  J. Camacho, I. Loa, A. Cantarero, K. Syassen
  High Press. Res. 22, 309 (2002).
   
• Suppression of Jahn-Teller Distortion and Insulator-to-Metal Transition in LaMnO₃ at High Pressures
  I. Loa, P. Adler, A. Grzechnik, K. Syassen, U. Schwarz, M. Hanfland, G. Kh. Rozenberg, P. Gorodetsky, M. P. Pasternak
  High Press. Res. 22, 325 (2002).
   
• Sheelite to fergusonite phase transition in YLiF₄ at high pressures
  A. Grzechnik, K. Syassen, I. Loa, M. Hanfland, and J. Y. Gesland
  Phys. Rev. B. 65, 104102 (2002).
   
• Sodium under pressure: bcc to fcc structural transition and pressure-volume relation to 100 GPa
  M. Hanfland, I. Loa, and K. Syassen
  Phys. Rev. B. 65, 184109 (2002).
   
• Effect of Pressure on Phonon Modes in Wurtzite Zinc Oxide
  F. J. Manjón, K. Syassen, and R. Lauck
  High Press. Res. 22, 299 (2002).
   
• Simple metals at high pressures
  K. Syassen
  Proceedings of the International School of Physics "Enrico Fermi" Course CXLVII, Eds. R. J. Hemley, G. L. Chiarottie, M. Bernasconi, and L. Ulivi (2002).
   
• Vibrational properties of ZnTe at high pressures
  J. Camacho, I. Loa, A. Cantarero, and K. Syassen
  J. Phys.: Condens. Matter 14, 739 (2002).
   
• Raman-active modes of porous gallium phosphide at high pressures and low temperatures
  V. V. Ursaki, F. J. Manjón, K. Syassen, I. M. Tiginyanu, G. Irmer, and J. Monecke
  J. Phys.: Condens. Matter 14, 13879 (2002).
   

2001

• Effect of pressure on crystal-field transitions of Nd-doped YLiF₄
  F. J. Manjón, S. Jandl, K, Syassen, and J. Y. Gesland
  Phys. Rev. B 64, 235108 (2001).
   
• A new polymorph of ZrW₂O₈ synthesized at high pressures and high temperatures
  A. Grzechnik, W. A. Chrichton, K. Syassen, P. Adler, M. Mezouar
  Chem. Mater. 13, 4255 (2001).
   
• Structural phase transition of GdGa₂ at high pressure
  U. Schwarz, S. Bräuninger, U. Burkhardt, K. Syassen, M. Hanfland
  Z. Kristallogr. 216, 331 (2001).
   
• Raman Study of Crystal Field Excitations in Nd₂CuO₄ under Pressure
  I. Loa, M. Diviš, V. Nekvasil, S. Jandl, K. Sasssen, A. A. Nugroho, and A. A. Menovsky
  Phys. Rev. B 64, 214106 (2001).
   
• Pressure-induced phase transitions in cadmium thiogallate CdGa₂Se₄
  A. Grzechnik, V. V. Ursaki, K. Syassen, I. Loa, I. M. Tiginyanu, M. Hanfland
  J. Solid State Chem. 160, 205 (2001).
   
• MgB₂ under pressure: phonon calculations, Raman spectroscopy, and optical reflectance
  K. Kunc, I. Loa, K. Syassen, R. K. Kremer, K. Ahn
  J. Phys.: Condens. Matter 13, 9945 (2001).
   
• Pressure-Induced Quenching of the Jahn-Teller Distortion and Insulator-to-Metal Transition in LaMnO₃
  I. Loa, P. Adler, A. Grzechnik, K. Syassen, U. Schwarz, M. Hanfland, G. Kh. Rozenberg, P. Gorodetsky, and M. P. Pasternak
  Phys. Rev. Lett. 87, 125501 (2001).
   
• Effect of pressure on the Raman anomaly of zincblende CuBr and Raman spectra of high pressure phases
  F. J. Manjón, J. Serrano, I. Loa, K. Syassen, C. T. Lin, M. Cardona
  Phys. Rev. B 64, 064301 (2001).
   
• Effect of pressure on optical phonon modes and transverse effective charges in GaN and AlN
  A. R. Goñi, H. Siegle, K. Syassen, C. Thomsen, J.-M. Wagner
  Phys. Rev. B 64, 035205 (2001).
   
• Calculated elastic and electronic properties of MgB₂ at high pressures
  I. Loa and K. Syassen
  Solid State Commun. 118, 279 (2001).
   
• Vanadium Oxides V₂O₅ and NaV₂O₅ under High Pressures: Structural, Vibrational, and Electronic Properties.
  I. Loa, A. Grzechnik, U. Schwarz, K. Syassen, M. Hanfland, and R. K. Kremer
  J. Alloy Comp. 317–318, 103 (2001).
   
• Lanthanide Polysulfides at High Pressures.
  A. Grzechnik
  J. Alloy Comp. 317–318, 190 (2001).
   
• Reversible phase transitions in Na₂S under pressure: A comparison with the cation array in Na₂SO₄
  A. Vegas, A. Grzechnik, K. Syassen, I. Loa, M. Hanfland, and M. Jansen
  Acta Cryst. B 57, 151–156 (2001).
   
• Onion-like Marbles and Bats: New Morphological Forms of Carbon
  C. Möschel, A. Reich, W. Assenmacher, I. Loa, and M. Jansen
  Chem. Phys. Lett. 335, 9 (2001).
   
• Magnetoexcitons in Zn_0.98Mn_0.02Te under high hydrostatic pressure
  F. Hamdani, A. R. Goñi, K. Syassen, and R. Triboulet
  phys. stat. sol. (b) 223, 171 (2001).
   
• High Pressure Studies of the Raman-active Phonons in Carbon Nanotubes
  U. D. Venkateswaran, E. A. Brandsen, U. Schlecht, A. M. Rao, E. Richter, I. Loa, K. Syassen, and E. C. Eklund
  phys. stat. sol. (b) 223, 225 (2001).
   
• Pressure dependence of Raman linewidth in semiconductors
  A. Debernardi, C. Ulrich, M. Cardona, and K. Syassen
  phys. stat. sol. (b) 223, 213 (2001).
   
• Raman lineshapes of GaP under pressure
  S. Ves, I. Loa, K. Syassen, F. Widulle, and M. Cardona
  phys. stat. sol. (b) 223, 241 (2001).
   
• Novel Graphitic Spheres: Raman Spectroscopy at High Pressures
  I. Loa, C. Möschel, A. Reich, W. Assenmacher, K. Syassen, and M. Jansen
  phys. stat. sol. (b) 223, 293 (2001).
   
• Efect of Pressure on the Anomalous Raman Spectrum of CuBr
  F. J. Manjón, J. Serrano, I. Loa, K. Syassen, C. T. Lin, and M. Cardona
  phys. stat. sol. (b) 223, 331 (2001).
   
• High-pressure structures of Ge above 100 GPa
  K. Takemura, U. Schwarz, K. Syassen, N. E. Christensen, M. Hanfland, D. L. Novikov, and I. Loa
  phys. stat. sol. (b) 223, 385 (2001).
   

2000

• Polarised Raman spectroscopy on isolated single-wall carbon nanotubes.
  G. Duesberg, I. Loa, M. Burghard, K. Syassen, and S. Roth
  Phys. Rev. Lett. 85, 5436 (2000).
   
• Structural Phase Transitions in Sr₂Fe₂O₅ under High Pressure
  P. Adler, U. Schwarz, K. Syassen, A. P. Milner, M. P. Pasternak, and M. Hanfland
  J. Solid State. Chem. 155, 381 (2000).
   
• Reversible Antifluorite to Anticotunnite Phase Transition in Li₂S at High Pressures
  A. Grzechnik, A. Vegas, K. Syassen, I. Loa, M. Hanfland, and M. Jansen
  J. Solid State Chem. 154, 603 (2000).
   
• New high-pressure phases of lithium
  M. Hanfland, K. Syassen, N. E. Christensen, and D. L. Novikov
  Nature 408, 174 (2000).
   
• High-pressure photoluminescence studies of pseudomorphic Si_1-yC_y/Si MQW structures.
  Z. X. Liu, A. R. Goñi, C. Manz, K. Syassen, K. Brunner, and K. Eberl
  phys. stat. sol. (b) 219, 103 (2000).
   
• High-pressure Cmca and hcp phases of germanium
  K. Takemura, U. Schwarz, K. Syassen, M. Hanfland, N. E. Christensen, D. L. Novikov, and I. Loa
  Phys. Rev. B 62, R10603 (2000).
   
• Pressure Dependence of the Blue Luminescence in Mg-doped GaN
  S. Ves, U. D. Venkateswaran, I. Loa, K. Syassen, F. Shahedipour, and B. W. Wessels
  Appl. Phys. Lett. 77, 2536 (2000).
   
• Effect of pressure on direct optical transitions of γ-InSe.
  C. Ulrich, D. Olguin, A. Cantarero, A. R. Goñi, K. Syassen, and A. Chevy
  phys. stat. sol. (b) 221, 777 (2000).
   
• Phase stability of highly compresssed cesium.
  K. Takemura, N. E. Christensen, D. L. Novikov, K. Syassen, U. Schwarz, and M. Hanfland
  Phys. Rev. B 61, 14399 (2000).
   
• Comment on "Ab initio Molecular Dynamics Studies of Off-Center Displacements in CuCl".
  M. Cardona, K. Syassen, and T. Ruf
  Phys. Rev. Lett. 84, 4511 (2000).
   
• Anisotropic compressibility and expansivity in layered GeSe₂
  S. Stølen, A. Grzechnik, T. Grande, and M. Mezouar
  Solid State Commun. 115, 249 (2000).
   
• Structural Transformations in Three-Dimensional Crystalline GeSe₂ at High Pressures and High Temperatures
  A. Grzechnik, S. Stølen, E. Bakken, T. Grande, and M. Mezouar
  J. Solid State Chem. 150, 121 (2000).
   
• Band Alignments in In_xGa_1-xP/GaAs Heterostructures Investigated by Pressure Experiments
  J. Martínez-Pastor, J. Camacho, C. Rudamas, A. Cantarero, L. González, and K. Syassen
  phys. stat. sol. (a) 178, 571 (2000)
   
• Electronic structure and bonding in the Cmca phases of Si and Cs.
  U. Schwarz, O. Jepsen, and K. Syassen
  Solid State Commun. 113, 643–648 (2000).
   
• High Pressure Photoluminescence studies of Carbon-Induced Germanium Quantum Dots grown on Si.
  Z. X. Liu, O. G. Schmidt, U. D. Venkateswaran, K. Eberl, and K. Syassen
  Semicond. Sci. and Technol. 15, 155–159 (2000).
   
• Effect of pressure on the magnetic phase transition in α'-NaV₂O₅.
  R. K. Kremer, I. Loa, F. S. Razavi, and K. Syassen
  Solid State Commun. 113, 217-220 (2000).
   

1999

• Rubidium-IV – a high-pressure phase with complex crystal structure.
  U. Schwarz, A. Grzechnik, K. Syassen, I. Loa, and M. Hanfland
  Phys. Rev. Lett. 83, 4085 (1999).
   
• Stability and Optical Properties of γ-Gd₂S₃ at High Pressures
  A. Grzechnik
  J. Solid State Chem. 148, 370 (1999).
   
• Vibrational Properties of NaV₂O₅ under High Pressure Studied by Raman Spectroscopy
  I. Loa, K. Syassen, and R. K. Kremer
  Solid State Commun. 112, 681 (1999).
   
• The crystal structure of rubidium-VI near 50 GPa.
  U. Schwarz, K. Syassen, A. Grzechnik, and M. Hanfland
  Solid State Commun., 112, 319 (1999).
   
• Raman spectroscopy on single and multi-walled nanotubes under high pressure.
  C. Thomsen, S. Reich, H. Jantoljak, I. Loa, K. Syassen, M. Burghard, G. S. Duesberg, and S. Roth
  Appl. Phys. A 69, 309 (1999).
   
• Collapse of the charge disproportionation and covalency-driven insulator-metal transition in Sr₃Fe₂O₇ under pressure.
  P. Adler, U. Schwarz, K, Syassen, G. Kh. Rozenberg, G. Yu. Machavariani, A. P. Milner, and M.P. Pasternak
  Phys. Rev. B 60, 4609 (1999).
   
• Lattice phonon modes of the high-pressure phase CuCl-IV.
  C. Ulrich, K. Syassen, M. Cardona, A. Cros, and A. Cantarero
  Phys. Rev. B 60, 9410 (1999).
   
• Equation of State of Lithium to 21 GPa.
  M. Hanfland, I. Loa, K. Syassen, U. Schwarz, and K. Takemura
  Solid State Commun. 112, 123 (1999).
   
• Pressure and temperature effects on optical transitions in cubic GaN.
  Z. X. Liu, A. R. Goñi, K. Syassen, H. Siegle, C. Thomsen, B. Schöttker, D. J. As, and D. Schikora
  J. Appl. Phys 86, 929 (1999).
   
• Structural properties of NaV₂O₅ under high pressure.
  I. Loa, K. Syassen, R. K. Kremer, U. Schwarz, and M. Hanfland
  Phys. Rev. B 60, R6945 (1999).
   
• Intermolecular Interaction in Carbon Nanotube Ropes
  C. Thomsen, S. Reich, A. R. Goñi, H. Jantoljak, P. M. Rafailov, I. Loa, K. Syassen, C. Journet, and P. Bernier
  phys. stat. sol. (b) 215, 435 (1999).
   
• Crystal Structure and Optical Spectroscopy of NaV₂O₅ under Pressure
  I. Loa, U. Schwarz, M. Hanfland, R. K. Kremer, and K. Syassen
  phys. stat. sol. (b) 215, 709 (1999).
   
• Raman linewidths of phonons in Si, Ge and SiC under pressure.
  C. Ulrich, A. Debernardi, E. Anastassakis, K. Syassen, and M. Cardona
  phys. stat. sol. (b) 211, 293–300 (1999).
   
• Raman scattering in CuCl under pressure.
  C. Ulrich, A. Göbel, K. Syassen, M. Cardona, A. Cros, and A. Cantarero
  phys. stat. sol. (b) 211, 287–292 (1999).
   
• Raman linewidths of optical phonons in 3C-SiC under pressure: First-principles calculations and experimental results.
  A. Debernardi, C. Ulrich, K. Syassen, and M. Cardona
  Phys. Rev. B 59, 6774-6783 (1999).
   
• Pressure-induced phase transitions in quasi-one-dimensional anthracene derivates.
  A. Brillante, R. G. Della Valle, C. Polizzi, and K. Syassen
  Physica B 265, 199-202 (1999).
   
• Crystal structure of the high-pressure phase silicon VI.
  M. Hanfland, U. Schwarz, K. Syassen, and K. Takemura
  Phys. Rev. Lett. 82, 1197–1200 (1999).
   
• Pressure-induced disappearance of the Raman anomaly in CuCl.
  C. Ulrich, A. Göbel, K. Syassen, and M. Cardona
  Phys. Rev. Lett. 82, 351–354 (1999).
   

1998

• Optical properties of semiconductors under pressure (review)
  A. R. Goni, and K. Syassen
  in Semiconductors and Semimetals Vol. 54, ed. by T. Suski, and W. Paul
  (Academic, New York 1998), pp. 247-425.
   
• Effect of pressure on exciton energies of homoepitaxial GaN.
  Z. X. Liu, K. P. Korona, K. Syassen, J. Kuhl, K. Pakula, J. M. Baranowski, I. Grzegory, and S. Porowski
  Solid State Commun. 108, 433 (1998).
   
• Crystal structure of cesium-V
  U. Schwarz, K. Takemura, M. Hanfland, and K. Syassen
  Phys. Rev. Lett. 81, 2711 (1998).
   
• Photoluminescence and reflectance studies of exciton transitions in wurtzite GaN under pressure.
  Z.X. Liu, S. Pau, K. Syassen, J. Kuhl, W. Kim, H. Morkoc, M. A. Khan, C. J. Sun
  Phys. Rev. B 58, 6696 (1998).
   
• Pressure-induced phase transformation of LiIn and LiCd: from NaTl-type phases to beta -brass-type alloys.
  U. Schwarz, S. Braeuninger, K. Syassen, R. Kniep
  Journal of Solid State Chemistry 137, 104 (1998).
   
• Structural phase transition of HoGa₂ at high pressure.
  U. Schwarz, S. Braeuninger, Yu. Grin, K. Syassen, M. Hanfland
  Journal of Alloys and Compounds 268, 161 (1998).
   
• High-pressure Raman scattering of biaxially strained GaN on GaAs. 
  H. Siegle, A.R. Goni, C. Thomsen, C. Ulrich, K. Syassen, B. Schottker, D. J. As, D. Schikora
  in Gallium Nitride and Related Materials II.
  Eds. C. R. Abernathy, H. Amano, J. C. Zolper (Mater. Res. Soc, Pittburg 1997)   p. 225. 
   
• Effect of pressure on the crystal structure, vibrational modes, and electronic excitations of HgO.
  T. Zhou, U. Schwarz, M. Hanfland, Z. X. Liu, K. Syassen,  M. Cardona
  Physical Review B 57, 153 (1998).
   

1997

• Crystal structure of CuGeO₃ under pressure
  S. Bräuninger, U. Schwarz, M. Hanfland, T. Zhou, R.K. Kremer, K. Syassen
  Phys. Rev. B, 56, R11357 (1997).
  
 
• Pressure-induced concurrent transformation to an amorphous and crystalline phase in berlinite-type FePO₄

M.P. Pasternak, G. Kh. Rozenberg, E. Milner, M. Amanowicz. T. Zhou, U. Schwarz, K. Syassen, R. Dean Taylor, M. Hanfland, and K. Brister
Phys. Rev. Lett., 79, 4409 (1997)
 
• Effect of pressure on lattice modes and electronic excitations of 9,10-diiodoanthracene crystals

A. Brillante, R.G. Della Valle, C. Ulrich, K. Syassen
J. Chem. Phys. 107, 4628 (1997)
 
• Luminescence spectra of matrix isolated N₂ at high pressure and low temperature

M. Semling, M. Jordan, K. Syassen, H. J. Jodl, G. F. Signorini, 
J. Chem. Phys., 106(4), 1336-1345 (1997)
 
• Lifetime of phonons in semiconductors under pressure
  C. Ulrich, E. Anastassakis, K. Syassen, A. Debernardi, M. Cardona, 
  Phys. Rev. Lett., 78(7), 1283-1286 (1997)
   

1996

• High-pressure Raman scattering and optical absorption study of β-GeS₂
  Z. V. Popovic, M. Holtz, K. Reimann, K. Syassen
  Phys. Status Solidi B, 198(1), 533-537 (1996)
   
• Structural and optical properties of HgO at high pressure
  T. Zhou, U. Schwarz, M. Hanfland, Z. X. Liu, K. Syassen, M. Cardona
  Phys. Status Solidi B, 198(1), 411-418 (1996)
   
• Pressure-induced amorphization of LiInGe
  S. Bräuninger, U. Schwarz, K. Syassen, R. Kniep
  Phys. Status Solidi B, 198(1), 509-514 (1996)
   
• Pressure dependence of the electronic subband structure of strained In0.2Ga0.8As/GaAs MQWs
  G. H. Li, Goni A. R., K. Syassen, H. Q. Hou, W. Feng, J. M. Zhou
  Phys. Status Solidi B, 198(1), 329-335 (1996)
   
• Photoluminescence of a pseudomorphic Si1-yCy/Si MQW structure under pressure
  Z. X. Liu, A. R. Goni, K. Brunner, K. Eberl, K. Syassen
  Phys. Status Solidi B, 198(1), 315-320 (1996)
   
• Vibrational properties of InSe under pressure. Experiment and theory
  C. Ulrich, M. A. Mroginski, A. R. Goni, A. Cantarero, U. Schwarz, V. Munoz, K. Syassen
  Phys. Status Solidi B, 198(1), 121-127 (1996)
   
• High- pressure study of optical transitions in strained In0.2Ga0.8As/GaAs multiple quantum wells
  G. H. Li, A. R. Goni, K. Syassen, H. Q. Hou, W. Feng, J. M. Zhou, 
  Phys. Rev. B: Condens. Matter, 54(19), 13820-13826 (1996)
   
• Single crystal structure refinement and high pressure properties of CoSn
  A. K. Larsson, M. Haeberlein, S. Lidin, U. Schwarz
  J. Alloys and Comp. 240, 79-84 (1996)
   
• Effect of pressure on the optical-absorption edges of CsGeBr₃ and CsGeCl₃
  U. Schwarz, F. Wagner, K. Syassen, H. Hillebrecht, 
  Phys. Rev. B: Condens. Matter, 53(19), 12545-12548 (1996)
   
• Interacting 2D electron gases in double quantum wells at low electron densities
  Int. Conf. Phys. Semicond., Volume 3, 2303-2306. Editor(s): Scheffler, Matthias; Zimmermann, Roland. Publisher: World Scientific, Singapore, Singapore. (1996)
  A. R. Goni, K. Syassen, K. Eberl
   
• Plasmon Raman scattering and photoluminescence of heavily doped n-type InP near the Gamma-X crossover
  S. Ernst, A. R. Goni, K. Syassen, M. Cardona
  Phys. Rev. B: Condens. Matter, 53(3), 1287-93 (1996)
   
• Pressure- temperature phase diagram of the spin-Peierls compound CuGeO3
  A. R. Goni, T. Zhou, U. Schwarz, R. K. Kremer, K. Syassen
  Phys. Rev. Lett., 77(6), 1079-1082 (1996)
   
• Electronic Raman scattering in YBa2Cu4O8 at high pressure
  T. Zhou, K. Syassen, M. Cardona, J. Karpinski, E. Kaldis
  Solid State Commun., 99(10), 669-673 (1996)
   

1995

• Photoreflectance spectroscopy of GaAs/AlxGa1-xAs SQW structures under pressure
  C. Ulrich, A. R. Goni, K. Eberl, K. Syassen
  High Pressure Sci. Technol., Proc. Jt. XV AIRAPT XXXIII EHPRG Int. Conf., Meeting Date 1995, 647-650. Editor(s): Trzeciakowski, Witold A. Publisher: World Scientific, Singapore, Singapore. (1995)
   
• High pressure study of electron-electron interactions in double-layer 2d electron gases
  A. R. Goni, S. Ernst, K. Syassen, K. Eberl
  High Pressure Sci. Technol., Proc. Jt. XV AIRAPT XXXIII EHPRG Int. Conf., Meeting Date 1995, 634-640. Editor(s): Trzeciakowski, Witold A. Publisher: World Scientific, Singapore, Singapore. (1995)
   
• Effect of pressure on direct optical transitions in InSe from photoreflectance spectroscopy
  C. Ulrich, A. R. Goni, K. Syassen, O. Jepsen, A. Cantarero, V. Munoz
  High Pressure Sci. Technol., Proc. Jt. XV AIRAPT XXXIII EHPRG Int. Conf., Meeting Date 1995, 612-614. Editor(s): Trzeciakowski, Witold A. Publisher: World Scientific, Singapore, Singapore. (1995)
   
• Structural phase transition of TmGa2 at high pressure
  S. Bräuninger, U. Schwarz, Yu. Grin, K. Syassen
  High Pressure Sci. Technol., Proc. Jt. XV AIRAPT XXXIII EHPRG Int. Conf., Meeting Date 1995, 435-437. Editor(s): Trzeciakowski, Witold A. Publisher: World Scientific, Singapore, Singapore. (1995)
   
• Structural phase transformation of InS at high pressures
  U. Schwarz, A. Goncharov, K. Syassen, N. M. Gasanly
  High Pressure Sci. Technol., Proc. Jt. XV AIRAPT XXXIII EHPRG Int. Conf., Meeting Date 1995, 427-429. Editor(s): Trzeciakowski, Witold A. Publisher: World Scientific, Singapore, Singapore. (1995)
   
• Phase transitions of CuGeO3 at high pressures
  T. Zhou, A. R. Goni, S. Ves, R. Kremer, K. Syassen
  High Pressure Sci. Technol., Proc. Jt. XV AIRAPT XXXIII EHPRG Int. Conf., Meeting Date 1995, 423-426. Editor(s): Trzeciakowski, Witold A. Publisher: World Scientific, Singapore, Singapore. (1995)
   
• Structural and optical characterization of InP/GaInP islands grown by solid-source MBE
  A. Kurtenbach, C. Ulrich, N. Y. Jin-Phillipp, F. Noll, K. Eberl, K.Syassen, F. Phillipp
  J. Electron. Mater., 25(3), 395-400 (1996)
   
• In3Te4 und In4Se3: Neubestimmung der Kristallstrukturen, druckabhäangiges Verhalten und eine Bemerkung zur Nichtexistenz von In4S3
  U. Schwarz, H. Hillebrecht, R. Walther, H. J. Deiserodt
  Z. Krist.  210, 342 (1995)
   
• Electronic Raman scattering of YBa2Cu4O8 at high pressure
  T. Zhou, K. Syassen, M. Cardona, J. Karpinski, E. Kaldis
  Proc. 10th Anniv. HTS Workshop Phys., Mater. Appl., 367-368. Editor(s): Batlogg, Bertram. Publisher: World Scientific, Singapore, Singapore. (1996)
   
• Crystal structure of 9,10- diiodoanthracene, C14H8I2
  K. Peters, E.-M. Peters, K. Syassen
  Z. Kristallogr., 211(5), 360 (1996)
   
• Structural phase transition of TmGa2 at high pressure
  U. Schwarz, S. Braeuninger, Yu. Grin, K. Syassen
  J. Alloys Compd., 245(1-2), 23-29 (1996); 256, 279 (1997)
   
• Electronic subband structure of InP/InxGa1-xP quantum islands from high- pressure photoluminescence and photoreflectance
  C. Ulrich, S. Ves, A. R. Goni, A. Kurtenbach, K. Syassen, K. Eberl
  Phys. Rev. B: Condens. Matter, 52(16), 12212-17 (1995)
   
• Photoluminescence of InAs monolayers in GaAs under pressure
  G. H. Li, A. R. Goni, C. Abraham, K. Syassen, P. V. Santos, O. Brandt, K. Ploog, A. Cantarero
  Int. Conf. Phys. Semicond., Meeting Date 1994, Volume 2, 1189-92. Editor(s): Lockwood, David J. Publisher: World Scientific, Singapore, Singapore. (1994)
   
• LO-phonon-plasmon modes in n- GaAs and n-InP under pressure
  S. Ernst, A. R. Goni, K. Syassen, M. Cardona
  J. Phys. Chem. Solids, 56(3/4), 567-70 (1995)
   
• Effect of hydrostatic pressures on the crystal structure of InS
  U. Schwarz, H. Hillebrecht, K. Syassen
  Z. Kristallogr., 210(7), 494-7 (1995)
   
• A resonant Raman study on phonons in (Ga,In)As/(Al,In)As multiple quantum wells
  De-Sheng Jiang, Zhao-Ping Wang, C. Abraham, K. Syassen, Y. H. Zhang, K. Ploog
  J. Phys. Chem. Solids, 56(3/4), 397-401 (1995)
   
• High-pressure study of Γ-X mixing in InAs/GaAs quantum dots
  G. H. Li, A. R. Goni, K. Syassen, O. Brandt, K. Ploog
  J. Phys. Chem. Solids, 56(3/4), 385-8 (1995)
   
• Electron-electron interactions in two-dimensional electron gases: inelastic light scattering studies at high pressure
  A. R. Goni, S. Ernst, K. Syassen, K. Eberl
  J. Phys. Chem. Solids, 56(3/4), 367-73 (1995)
   
• Structural phase transition of GaTe at high pressure
  U. Schwarz, K. Syassen, R. Kniep
  J. Alloys Compd., 224(2), 212-16 (1995)
   
• Strontium ferrates(IV): transition metal oxides at the insulator-metal borderline.
  P. Adler, A.F. Goncharov, K. Syassen
  Hyperfine Interactions, vol.95, no.1-4, p.71-84. 30 refs. (1994)
   
• Pressure-induced phase transition in CsGeBr3 studied by x-ray diffraction and Raman spectroscopy
  U. Schwarz, H. Hillebrecht, M. Kaupp, K. Syassen, H.-G. von Schnering, G. Thiele
  J. Solid State Chem., 118(1), 20-7 (1995)
   

1994

• State mixing in InAs/GaAs quantum dots at the pressure-induced .GAMMA.-X crossing
  G. H. Li, A. R. Goni, K. Syassen, O. Brandt, K. Ploog
  Phys. Rev. B: Condens. Matter, 50(24), 18420-5 (1994)
   
• Pressure- induced conduction-band crossover in a ZnSe/ZnS0.18Se0.82 symmetric superlattice
  M. Lomascolo, G. H. Li, K. Syassen, R. Cingolani, I. Suemune
  Phys. Rev. B: Condens. Matter, 50(19), 14635-8 (1994)
   
• High-pressure Raman study of the coupling of crystal-field excitations to phonons in Nd-containing cuprates
  A. F. Goncharov, V. V. Struzhkin, T. Ruf, K. Syassen
  Phys. Rev. B: Condens. Matter, 50(18), 13841-4 (1994)
   
• Optical reflectivity and Raman spectra of Sr2FeO4 under pressure
  P. Adler, A. F. Goncharov, K. Syassen, E. Schoenherr
  Phys. Rev. B: Condens. Matter, 50(16), 11396-402 (1994)
   
• Intervalley scattering potentials of Ge from direct exciton absorption under pressure
  G. H. Li, A. R. Goni, K. Syassen, M. Cardona
  Phys. Rev. B: Condens. Matter, 49(12), 8017-23 (1994)
   
• Effects of pressure on the optical absorption and photoluminescence of Woehler siloxene
  Ernst. S., M. Rosenbauer, U. Schwarz, P. Deak, K. Syassen, M. Stutzmann, M. Cardona
  Phys. Rev. B: Condens. Matter, 49(8), 5362-7 (1994)
   
• Collapse of the Hartree term of the Coulomb interaction in a very dilute 2D electron gas
  S. Ernst, A. R. Goni, K. Syassen, K. Eberl
  Phys. Rev. Lett., 72(25), 4029-32 (1994)
   
• Photoluminescence from strained InAs monolayers in GaAs under pressure
  G. H. Li, A. R. Goni, C. Abraham, K. Syassen, P. V. Santos, A. Cantarero, O. Brandt, K. Ploog
  Phys. Rev. B: Condens. Matter, 50(3), 1575-81 (1994)