| 1994 | A.P. Litvinchuk, C. Thomsen, and M. Cardona: Infrared-active vibrations of high-temperature superconductors: experiment and theory . In: D.M. Ginsberg Physical Properties of High Temperature Superconductors, vol. 4. World Scientific, 1994. 375-469 |
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| 1994 | A.P. Litvinchuk, C. Thomsen, M. Cardona, and
L. Borjesson: Spectroscopy of infrared-active phonons in high temperature superconductors. In: K. Krishen and C. Burnham Fourth International Conference and Exhibition: World Congress on Superconductivity, Vol. 1. NASA Conference Publications, 1994. 328-333 |
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| 1993 | A.P. Litvinchuk, C. Thomsen, and M. Cardona: Chain-oxygen vibrations and phonon anomalies above T_c in RBa_2Cu_3O_(7-delta) and
YBa_2Cu_4O_8 . In: H. Kuzmany, M. Mehring, J. Fink, Electronic Properties of High-T_c Superconductors. Springer Verlag, 1993. 306-309 |
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| 1993 | J. Humlicek, A.P. Litvinchuk, W. Kress, B. Lederle, C. Thomsen, M. Cardona,
H.-U. Habermeier, and I.E. Trofimov: Lattice vibrations in Y_(1-x)Pr_xBa_2Cu_3O_7
superconductors: theory and experiment. In: Physica C, 1993, 345-359 |
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| 1992 | C. Thomsen, A.P. Litvinchuk, E. Schönherr, and M. Cardona: Chain-Oxygen Vibrations in YBa2Cu3O7-d and YBa2Cu4O8. In: Physical Review B, 1992, 8154-8157 |
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| 1992 | C. Thomsen, A.P. Litvinchuk, E. Schoenherr, and M. Cardona: Chain-oxygen vibrations in YBa_2Cu_3O_(7-delta) and YBa_2Cu_4O_8 . In: Physical Review B, 1992, 8154-8157 |
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| 1992 | A.P. Litvinchuk, C. Thomsen, P. Murugaraj, and M. Cardona: Far-infrared spectroscopy of the superconductor YBa_2Cu_4O_8 . In: Zeitschrift fuer Physik B: Condensed Matter, 1992, 329-335 |
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| 1992 | A.P. Litvinchuk, D. Leach, C. Thomsen,
I. Trofimov, H.-U. Habermeier, M. Cardona: Optical phonons in (Y/Pr)Ba_2Cu_3O_7 superlattices. In: W. Kiefer, M. Cardona, G. Schaack, F.W. Schneider, H.W. Schroetter Proceedings of the XIII International Conference on Raman Spectroscopy . John Wiley & Sons, 1992. 888-889 |
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| 1991 | A.P. Litvinchuk, C. Thomsen, and M. Cardona: Infrared Reflectivity of RBa2Cu3O7-d Superconductors: Phonon Self-Energy Effects. In: Physica C, 1991, 987-988 |
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| 1991 | A.P. Litvinchuk, C. Thomsen, M. Cardona, P. Stastny, and D.M. Mateev: Infrared-Active Phonons in La1-xSrxCaCu2O6. In: Physical Review B, 1991, 9723-9726 |
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| 1991 | A.P. Litvinchuk, C. Thomsen, P. Murugaraj, E.T. Heyen, and M. Cardona: Optical Phonons in T*-Structure Nd1-x-yCexSryCuO4. In: Physical Review B, 1991, 13060-13065 |
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| 1991 | A.P. Litvinchuk, C. Thomsen, and M. Cardona: Self-Energies of Infrared-Active Phonons in RBa2Cu3O7-d. In: Solid State Communications, 1991, 257-262 |
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