Home Team Techniques Research Publications Teaching  




87. Y. Zhang, C. H. Wong, J. Shen, S. T. Sze, B. Zhang, H. Zhang, Y. Dong, H. Xu, Z. Yan, Y. Li, X. Hu, R. Lortz, Dramatic enhancement of superconductivity in single-crystalline nanowire arrays of Sn. Scientific Reports 6, Article number: 32963 (2016).

86. M. Q. He, J. Y. Shen, A. P. Petrović, Q. L. He, H. C. Liu, Y. Zheng, C. H. Wong, Q. H. Chen, J. N. Wang, K. T. Law, I. K. Sou, R. Lortz Pseudogap and proximity effect in the Bi2Te3/Fe1+yTe interfacial superconductor. Scientific Reports 6, Article number: 32508 (2016).

85. Gen Long, Shuigang Xu, Junying Shen, Jianqiang Hou, Zefei Wu, Tianyi Han, Jiangxiazi Lin, Wing Wong, Yuan Cai, Rolf Lortz, Ning Wang, Type-controlled Nanodevices Based on Encapsulated Few-layer Black Phosphorus for Quantum Transport, 2D Materials 3, 031001 (2016).

84. C. L. Dean, M. N. Kunchur, Q. L. He, H. Liu, J. Wang, R. Lortz, I. K. Sou, Current driven vortex-antivortex pair breaking and vortex explosion in the  Bi2Te3/FeTe interfacial superconductor. Physica C 527, 46 (2016).

83. Xu, Shuigang; Wu, Zefei; Lu, Huanhuan; Han, Yu; Long, Gen; Chen, Xiaolong; Han, Tianyi; Ye, Weiguang; WU, Yingying; Lin, Jiangxiazi; Shen, Junying; Cai, Yuan; He, Yuheng; Zhang, Fan; Lortz, Rolf; Cheng, Chun; Wang, Ning, Universal low-temperature Ohmic contacts for quantum transport in transition metal dichalcogenides, 2D Materials 3, 021007 (2016).

82. Jianqiang Hou, Chi Ho Wong, Romain Sibille, Michel Kenzelmannn, and Rolf Lortz, Strong-coupling phonon-mediated scenario of superconductivity in Ca3Ir4Sn13 and Ca3(Ir0.91Co0.09)4Sn13, Phys. Rev. B 93, 134505 (2016).

81. Yan Zheng, Pok Man Tam, A. E. Böhmer, Thomas Wolf, Christoph Meingast and Rolf Lortz, Absence of nematic order in the pressure-induced intermediate phase of the iron-based superconductor Ba0.85K0.15Fe2As2 , Phys. Rev. B 93, 104516 (2016).

80. Chi Ho Wong and Rolf Lortz, Edge effect and significant increase of the superconducting transition onset temperature of 2D superconductors in flat and curved geometries, Physica C, 521-522, 50-54 (2016).

79. Zefei Wu, Yu Han, Wei Zhu, Mingquan He, Shuigang Xu, Xiaolong Chen, Weiguang Ye, Yuheng He, Yang Wang, Wei Xiaong, Tianyi Han, Huanhuan Lu, Rui Huang, Lin Wang, Yuan Cai, Rolf Lortz, Ning Wang, Detection of Interlayer Interaction in Few-layer Graphene through Landau Level Spectroscopy. Phys. Rev. B 92, 075408 (2015).

78. M. N. Kunchur, C. L. Dean, N. Shayesteh Moghadam, J. M. Knight, Q. L. He, H. Liu, J. Wang, R. Lortz, I. K. Sou, and A. Gurevich, Current-induced depairing in the Bi2Te3/FeTe interfacial superconductor, Phys. Rev. B 92, 094502 (2015).

77. Qing Lin He, Mingquan He, Junying Shen, Ying Hoi Lai, Yi Liu, Hongchao Liu, Hongtao He, Gan Wang, Jiannong Wang, Rolf Lortz, Iam Keong Sou, Anisotropic magnetic responses of a two-dimensional-superconducting Bi2Te3/FeTe heterostructure, Journal of Physics: Condensed Matter 27, 345701 (2015).

76. Jianqiang Hou, Philip Burger, Huen Kit Mak, Frédéric Hardy, Thomas Wolf, Christoph Meingast and Rolf Lortz, Doping dependence of the critical fluctuation regime in the Fe-based superconductor Ba1-xKxFe2As2 Physical Review B 92, 064502 (2015).

75. M. Younas, Junying Shen, Mingquan He, R. Lortz, Fahad Azad, M. J. Akhtar, A. Maqsood, F. C. C. Ling, Role of multivalent Cu, oxygen vacancies and CuO nanophase in the ferromagnetic properties of ZnO:Cu thin films, RSC Advances 5, 55648 (2015).

74. X. L. Wang, Q. Shao, A. Zhuravlyova, M. He, Y. Yi, R. Lortz, J. N. Wang, V. Dediu, and A. Ruotolo, Giant negative magnetoresistance in Manganese-substituted Zinc Oxide, Scientific Reports 5, 9221 (2015).

73. Mingquan He, Dian Shi, Pok Lam Tse, Chi Ho Wong, Oliver Wybranski, Ernst-Wilhelm Scheidt, Georg Eickerling, Wolfgang Scherer, Ping Sheng, and Rolf Lortz, 1D to 3D dimensional crossover in the superconducting transition of the quasi-one-dimensional carbide superconductor Sc3CoC4,, Journal of Physics: Condensed Matter 27, 075702 (2015).

72. Y. Zheng, Y. Liu, N. Toyota and R. Lortz, Magnetic field induced enlargement of the regime of critical fluctuations in the classical superconductor V3Si from high-resolution specific heat experiments, Journal of Physics: Condensed Matter 27, 075701 (2015).

71. M. Younas, Rolf Lortz, Shi-Chen Su, F. C. C. Ling, Observation of Room Temperature Ferromagnetism in Conducting and Insulating Cu doped ZnO Thin Films, Journal of Superconductivity and Novel Magnetism, Volume: 28   Issue: 3   Special Issue: SI   Pages: 855-858 (2014).

70. G. Wang, Q. L. He, H. T. He, H. C. Liu, M. Q. He, J. N. Wang, R. Lortz, G. K. L. Wong, I. K. Sou, Formation Mechanism of Superconducting Fe1+xTe/Bi2Te3 Bilayer synthesized via Interfacial Chemical Reactions, ACS Crystal Growth and Design, 14 (7), 3370 (2014).

69. M. Younas, Lanlan Zou, M. Nadeem, Naeem-ur-Rehman, Shi-Chen Su, Zilan Wang, W. Anwand, A. Wagner, J. H. Hao, C. W. Leung, Rolf Lortz, C. C. Ling, Impedance analysis of secondary phases in Co-implanted ZnO single crystal, Physical Chemistry Chemical Physics 16, 16030-16038 (2014).

68. Qing Lin He, Hongchao Liu, Mingquan He, Ying Hoi Lai, Hongtao He, Gan Wang, Kam Tuen Law, Rolf Lortz, Jian-Nong Wang, Iam Keong Sou, Two-dimensional superconductivity at the interface of a Bi2Te3/FeTe heterostructure, Nature Communications, 5:4247 (2014).

67. Y. Zheng, Y. Wang, F. Hardy, A. E. Böhmer, T. Wolf, C. Meingast, and R. Lortz, High-pressure evolution of the specific heat of a strongly underdoped Ba(Fe1−xCox)2As2 iron-based superconductor. Physical Review B 89, 054514 (2014).

66. Ting Zhang, Mingyuan Sun, Zhe Wang, Wu Shi, Rolf Lortz, Zikang Tang, Ning Wang, Ping Sheng, Theoretical Study of Superconductivity in 4-Angstrom Carbon Nanotube Arrays, Book Chapter in “Carbon-based Superconductors: Towards High-Tc Superconductivity, edited by Junji Haruyama (Pan Standford Publishing, USA 2015)

65. X. L. Wang, Q. Shao, C. W. Leung, R. Lortz, A. Ruotolo, Non-volatile, electric control of magnetism in Mn-substituted ZnO, Applied Physics Letters 104, 062409 (2014).

64. Huen Kit Mak, P. Burger, L. Cevey, T. Wolf, C. Meingast, and R. Lortz, Thermodynamic observation of a vortex melting transition in the Fe-based superconductor Ba0.5K0.5Fe2As2, Physical Review B 87, 214523 (2013).

63. X. L. Wang, C. Y. Luan, Q. Shao, A. Pruna, C. W. Leung, R. Lortz, J. A. Zapien and A. Ruotolo, Effect of the magnetic order on the room-temperature band-gap of Mn-doped ZnO thin films, Applied Physics Letters 102, 102112 (2013).

62. Wei Li, Xiaolong Chen, Lin Wang, Yuheng He, Zefei Wu, Yuan Cai, Mingwei Zhang, Yang Wang, Yu Han, Rolf  Lortz, Zhao-Qing Zhang, Ping Sheng, Ning Wang, Density of States and Its Local Fluctuations Determined by Capacitance of Strongly Disordered Graphene, Scientific Reports 3, Article number: 1772 (2013).

61. Mingquan He, Chi Ho Wong, Pok Lam Tse, Yuan Zheng, Haijing Zhang, Frank L. Y. Lam, Ping Sheng, Xijun Hu and Rolf Lortz, “Giant” enhancement of the upper critical field and fluctuations above the bulk Tc in superconducting ultra-thin lead nanowire arrays, ACS Nano 7, 4187 (2013)

60. L. Cevey, M. Baenitz, M. Schmidt, H. Wilhelm, and R. Lortz, Thermodynamic Investigation of the Precursor Region in the Cubic Helimagnet FeGe, Physica Status Solidi 250, 650 (2013)

 59. A. Longo, X. L. Wang, A. Ruotolo, N. Wang, A. Peluso, G. Carotenuto, R. Lortz, Effect of the polymeric matrix on the structural and magnetic properties of hematite / polymer composites. Journal of Nanoparticle Research 14, 1 (2012).

58. A. E. Böhmer, P. Burger, F. Hardy, T. Wolf, P. Schweiss, H. v. Löhneysen, C. Meingast, R. Lortz, H. K. Mak, S. Kasahara, T. Terashima, T. Shibauchi, Y. Matsuda, Thermodynamic phase diagram, phase competition, and uniaxial pressure effects in BaFe2(As1−xPx)2 studied by thermal expansion, Physical Review B 86, 094521 (2012).

57. Shu K. Lok, Jia C. Tian, Yuxing Wang, Ying H. Lai, Rolf Lortz, Alexander Petrovic, Christos Panagopolous, George K. L. Wong, Gan Wang, Iam K. Sou Factors affecting the shape of MBE-grown laterally aligned Fe nanowires, Nanotechnology 23, 485605 (2012).

56. Mingyuan Sun, Zhilin Hou, Ting Zhang, Zhe Wang, Wu Shi, Rolf Lortz, and Ping Sheng, Dimensional Crossover Transition in a System of Weakly Coupled Superconducting Nanowires, New Journal of Physics 14, 103018 (2012).

55. Wu Shi , Qiucen Zhang, Zhe Wang, Chao Ieong, Rolf Lortz, Yuan Zheng, Yuan Cai, Ning Wang, Ting Zhang, Haijing Zhang, Zikang Tang, Ping Sheng, Hiroyuki Muramatsui , Yoong Ahm Kim, Morinobu Endo, Paulo T. Araujo , Mildred S. Dresselhaus, Superconductivity in Bundles of Double-Wall Carbon Nanotubes, Scientific Reports 2, Article number: 625 (2012).      

54. H. Wilhelm, M. Baenitz, M. Schmidt, C. Naylor, R. Lortz, U.K. Roessler, A.A. Leonov, A.N. Bogdanov, Confinement of Chiral Magnetic Modulations in the Precursor Region of FeGe, Invited paper in the SCES topical special issue of the Journal of Physics: Condensed Matter 24, 294204 (2012).

53. Y. Zheng, Y. Wang, B. Lv, C. W. Chu, and R. Lortz, Thermodynamic evidence for pressure-induced bulk superconductivity and a strong interplay of structural, magnetic and superconducting degrees of freedom in the Fe-As pnictide superconductor CaFe2As2, New Journal of Physics 14, 053034 (2012).

52. Y. Y. Hui, J. Ye, R. Lortz, K. S. Teng, S. P. Lau, Magnetic properties of Mg-doped AlN zigzag nanowires, Physica Status Solidi A 1-5 (2012).

51. R. M. Eremina, T. P. Gavrilova, A. Gunther, R. Lortz, M. Johnsson: H. Berger, H.-A. Krug von Nidda, J. Deisenhofer, and A. Loidl, Magnetization and specific heat of the dimer system CuTe2O5, The European Physical Journal B 84, 391 (2011).

50. Zhe Wang, Wu Shi, Rolf Lortz and Ping Sheng, Superconductivity in 4-Angstrom carbon nanotubes—A short review, Invited Review Article in: Nanoscale, 2012, 4, 21

49. B. Bergk, A. Petrovic, Z. Wang, Y. Wang, D. Salloum, P. Gougeon, M. Potel, and R. Lortz, Superconducting transitions of intrinsic arrays of weakly coupled one-dimensional superconducting chains: the case of the extreme quasi-1D superconductor Tl2Mo6Se6, New Journal of Physics 13, 103018 (2011).

48. Wei Li, Yuheng He, Lin Wang, Guo Hui Ding, Zhaoqing Zhang, Rolf Lortz, Che-Ting Chan, Ping Sheng, Ning Wang, Effect of disorder on the transport properties of metal-decorated graphene. Physical Review B 84, 045431 (2011).

47. Chao Ieong, Zhe Wang, Wu Shi, Yuxing Wang, Ning Wang, Zikang Tang, Ping Sheng and Rolf Lortz, Observation of the Meissner state in superconducting arrays of 4-Angstrom carbon nanotubes by means of magnetic torque and bulk magnetic measurement, Physical Review B 83, 184512 (2011).

46. A.P. Petrovic, R. Lortz, G. Santi, C. Berthod, C. Dubois, M. Decroux, A. Demuer, A.B. Antunes, A. Pare, D. Salloum, P. Gougeon, M. Potel, and Ø. Fischer, Multi-band superconductivity in the Chevrel Phases SnMo6S8 and PbMo6S8, Physical Review Letters 106, 017003 (2011).

45. B. Bergk, A. Demuer, I. Sheikin, Y. Wang, J. Wosnitza, Y. Nakazawa, and R. Lortz, Magnetic Torque Evidence for the Fulde-Ferrell-Larkin-Ovchinnikov State in In-Plane Magnetic Fields in the Organic Superconductor k-(BEDT-TTF)2Cu(NCS)2 , Physical Review B 83, 064506 (2011).


44. J. R. Stewart, G. Ehlers, H. Mutka, P. Fouquet and R. Lortz, Spin dynamics, short-range order and spin freezing in Y0.5Ca0.5BaCo4O7, Physical Review B 83, 024405 (2011).

43. Pol-Edern Le Renard, Rolf Lortz, Carmine Senatore, Jean-Philippe Rapin, Franz Buchegger, Alke Petri-Fink, Heinrich Hofmann, Eric Doelker, Olivier Jordan, Magnetic and in vitro heating properties of implants formed in situ from injectable formulations and containing superparamagnetic iron oxide nanoparticles (SPIONs) embedded in silica microparticles for magnetically induced local hyperthermia, Journal of Magnetism and Magnetic Materials 323, 1054 (2011).

42. A.P. Petrović, R. Lortz, G. Santi, M. Decroux, H. Monnard, L. Boeri, O.K. Andersen, J. Kortus, D. Salloum, P. Gougeon, M. Potel, Ø. Fischer, Phonon mode spectroscopy, electron-phonon coupling, and the metal-insulator transition in quasi-one-dimensional M2Mo6Se6, Physical Review B 82, 235128 (2010). Highlighted as Editors Suggestion

41. Zhe Wang, Wu Shi, Hang Xie, Ting Zhang, Ning Wang, Zikang Tang, Xixiang Zhang, Rolf Lortz, Ping Sheng, 1D goes 2D: A Berezinskii-Kosterlitz-Thouless transition is superconducting arrays of 4-Angstrom carbon nanotubes, Physica Status Solidi B 247, 2968 (2010),

40. M. Marz, G. Goll, W. Goldacker and R. Lortz

Second superconducting energy gap of Nb3Sn observed by breakjunction point-contact spectroscopy, Physical Review B 82, 024507 (2010).

39. Zhe Wang, Wu Shi, Hang Xie, Ting Zhang, Ning Wang, Zikang Tang, Xixiang Zhang, Rolf Lortz, Ping Sheng, Ilya Sheikin, Albin Demuer, Superconducting resistive transition in coupled arrays of 4 Å carbon nanotubes, Physical Review B 81, 174530 (2010).

38. B. Bergk, A. Demuer, I. Sheikin, Y. Wang, J. Wosnitza, Y. Nakazawa and R. Lortz, The Fulde–Ferrell–Larkin–Ovchinnikov state in the organic superconductor κ-(BEDT-TTF)2Cu(NCS)2 as observed in magnetic-torque experiments, Physica C 470, 586 (2010).

37. Silvia S. Seiro, Yanina Fasano, Ivan Maggio-Aprile, Edmond Koller, Rolf Lortz, and Øystein Fischer, Fingerprint of dynamical spin-charge correlations in the tunneling spectra of colossal magnetoresistive manganites, Physical Review B 80, 100404(R) (2009).

36. P.S. Häfliger, R. Khasanov, R. Lortz, A. Petrovic, K. Togano, C. Baines, B. Graneli, H. Keller, Muon-Spin Rotation Study of the Ternary Noncentrosymmetric Superconductors Li2PdxPt3−xB, J. Supercond. Nov. Magn. 22, 337 (2009).

35. A. P. Petrovic, Y. Fasano, R. Lortz, C. Senatore, A. Demuer, A. B. Antunes, A. Pare, D. Salloum, P. Gougeon, Real-Space Vortex Glass Imaging and the Vortex Phase Diagram of SnMo6S8, Physical Review Letters 103, 257001 (2009).

34. Rolf Lortz, Qiucen Zhang, Wu Shi, Justin Ye, Chunyin Qiu, Zhe Wang, Hongtao He, Ping Sheng, Tiezheng Qian, Zikang Tang, Ning Wang, Xixiang Zhang, Jiannong Wang, C. T. Chan, Superconducting characteristics of 4 Ǻ carbon nanotube--zeolite composite, PNAS 106, 7299 (2009). Highlighted as ‘In this Issue’


33. J. Teyssier, R. Lortz, A. Petrovic, D. van der Marel, V. Filippov, N. Shitsevalova, On the importance of the electron-phonon coupling function on the superconducting transition temperature in dodecaboride superconductors: A comparison of LuB12 with ZrB12, Physical Review B 78, 134504 (2008).


32. R. Lortz, R. Viennois, A. Petrović, P. Toulemonde, M. Koza, A. San Miguel, C. Meingast, Phonon density of states, anharmonicity, electron phonon coupling and possible multigap superconductivity  in the clathrate superconductors Ba8Si46 and Ba24Si100, Physical Review B 77, 224507 (2008).

31. C. Senatore, P. Lezza, R. Lortz, O. Shcherbakova, S.X. Dou, R. Flükiger, Specific heat and magnetic relaxation analysis of MgB2 bulk samples with and without additives, IEEE Trans. Appl. Supercond. 17, 2941 (2007)


30. R. Viennois, P. Toulemonde, M. Koza, H. Mutka, A. San Miguel, R. Lortz, Probing the phonon density of states in the superconducting Si clathrates from inelastic neutron scattering experiments

Proceedings of the conference: Phonons 2007. Journal of Physics: Conference Series 92, 012121(2007).

29. A. Petrović, Y. Fasano, R. Lortz, M. Decroux, M. Potel, R. Chevrel, Ø. Fisher, Unconventional resistive transitions in the extreme type-II superconductor Tl2Mo6Se6, Proceedings of the M2S conference in Dresden 2006, Physica C, 460-462, 702 (2007).


28. R. Lortz, Y. Wang, A. Junod, N. Toyota, Thermal fluctuations in the classical superconductor Nb3Sn from high-resolution specific-heat measurements, Proceedings of the M2S conference in Dresden 2006, Physica C, 460-462, 149 (2007).

27. R. Lortz, Y. Wang, A. Demuer, M. Böttger, B. Bergk, G. Zwicknagel, Y. Nakazawa, J. Wosnitza, Calorimetric evidence for a novel superconducting state in the layered organic superconductor k-(BEDT)2Cu(NCS)2 Physical Review Letters 99, 187002 (2007). Highlighted as Editors Suggestion

26. C. Filipic, Z. Kutnjak, R. Lortz, M. Dawber, J.F. Scott, Low temperature phase transitions in barium sodium niobate, Journal of Physics: Condensed Matter 19, 236206 (2007)


25. R. Lortz, N. Musolino, Y. Wang, A. Junod, N. Toyota, Origin of the magnetization peak effect in the superconductor Nb3Sn

Physical Review B 75, 094503 (2007)

24. E. van Heumen, R. Lortz, A.B. Kuzmenko, F. Carbone, D. van der Marel, X. Zhao, G. Yu, Y. Cho, N. Barisic, M. Greven, C.C. Homes, S.V. Dordevic

Optical properties and specific heat of the high-temperature superconductor HgBa2CuO4+d , Physical Review B 75, 054522 (2007)

23. R. Lortz, C. Meingast, A.I. Rykov, S. Tajima, ‘Fragile Superconductivity’, a kinetic glass transition in the vortex matter of the high-temperature superconductor YBa2Cu3O7-d , Special issue of the Journal of Low-Temperature Physics, 147, 365 (2007) ‘Electronic correlations in condensed matter’ (invited article, refereed).

22. R. Lortz, F. Lin, N. Musolino, Y. Wang, A. Junod, B. Rosenstein, N. Toyota, Thermal fluctuations and vortex melting in the superconductor Nb3Sn from high-resolution specific-heat experiments.

Physical Review B 74, 104502 (2006)

21. R. Lortz, T. Tomita, Y. Wang, A. Junod, J.S. Schilling, T. Masui, S. Tajima

On the Origin of the Double Superconducting Transition in overdoped YBa2Cu3Ox

Physica C 434, 194-198 (2006)

20. G. Goll, M. Marz, R. Lortz, A. Junod, W. Goldacker, Observation of a second energy gap in Nb3Sn break junctions, AIP Conference Proceedings Series 850 (2006) 987

19. J. Teyssier, A. Kuzmenko, D. van der Marel, R. Lortz, A. Junod, V. Filippov, N. Shitsevalova, Electronic and optical properties of ZrB12 and YB6. Discussion on electron-phonon coupling, Physica Status Solidi C, Vol. 3/9/2006, 3114 (2006)

18. R. Lortz, Y. Wang, U. Tutsch, S. Abe, C. Meingast, P. Popovich, W. Knafo, N. Shitsevalova, Y. Paderno, A. Junod, Superconductivity mediated by a soft phonon mode: specific heat, resistivity, thermal expansion, and magnetization of YB6. Physical Review B 73, 024512 (2006)

17. T. Plackowski, Y. Wang, R. Lortz, A. Junod, T. Wolf, Reversible and irreversible magnetocaloric effect in the NdBa2Cu3O7 superconductor in relation with specific heat and magnetization, Journal of Physics: Condensed Matter 17, 6871-6888 (2005)

16. R. Lortz, S. Abe, Y. Wang, F. Bouquet, U. Tutsch, A. Junod, Modulated-bath AC calorimetry using modified commercial Peltier elements, Review of Scientific Instruments 76, 103902 1-8 (2005)

15. Y. Wang, R. Lortz, Y. Paderno, V. Filippov, S. Abe, U. Tutsch, A. Junod, Specific heat and magnetization of a ZrB12 single crystal: characterization of a type II/1 superconductor, Physical Review B 72, 024548 (2005)

14. R. Lortz, Y. Wang, S. Abe, C. Meingast, Y. Paderno, V. Filippov, A. Junod, Specific heat, magnetic susceptibility, resistivity and thermal expansion of the superconductor ZrB12, Physical Review B 72, 024547 (2005)

13. R. Lortz, A. Junod, D. Jaccard, Y. Wang, S. Tajima, T. Masui, Evolution of the specific-heat anomaly of the high-temperature superconductor YBa2Cu3O7 under influence of charge transfer through application of high pressure up to 10 GPa, Journal of Physics: Condensed Matter 17, 4135-4145 (2005)

12. V. Guritanu, W. Goldacker, F. Bouquet, Y. Wang, R. Lortz, G. Goll, A. Junod, Specific heat of Nb3Sn: The case for a second energy gap, Physical Review B 70 (2004) 184526 1-8

11. A. Slebarski, K. Grube, R. Lortz, C. Meingast, H. v. Löhneysen, Thermal and magnetic properties of CeRhSn, Journal of Magnetism and Magnetic Materials 272-276 (2004) 234

10. R. Lortz, C. Meingast, A.I. Rykov, S. Tajima, Magnetic-Field-Induced Finite-Size Effect in the High-Temperature Superconductor YBa2Cu3O7-d: A Comparison with Rotating superfluid He. Physical Review Letters 91 (2003) 207001

9. R. Lortz, C. Meingast, U. Welp, W.K. Kwok, G.W. Crabtree, Crystal-lattice coupling to the vortex-melting transition in YBa2Cu3O7-d

Physical Review Letters 90 (2003) 237002

8. R. Lortz, C. Meingast, D. Ernst, B. Renker, D.D. Lawrie, J.P. Franck, High-resolution thermal expansion of MgB2 , Journal of Low Temperature Physics 131 (2003) 1101

7. J.E. Gordon, C. Marcenat, J.P. Franck, I. Isaac, Guanwen Zhang, R. Lortz, C. Meingast, F. Bouquet, R.A. Fisher, N.E. Phillips, Specific heat and thermal expansion of La0.65Ca0.35MnO3: Magnetic-field dependence, isotope effect, and evidence for a first-order phase transition, Physical Review B 65, 024441 (2002)

6. R. Lortz: Interplay between 3dXY-fluctuations and vortices in the high-temperature superconductor YBa2Cu3Ox , PhD Thesis (2002), Wissenschaftliche Berichte, report number FZKA-6750, ISSN 0947-8620.

5. Rolf Lortz and Christoph Meingast, Vortex matter in high-temperature superconductors: A model system to study phenomena related to crystalline melting and glass formation? Journal of Non-Crystalline Solids, 307-310, 459 (2002)

4. A. Inaba, R. Lortz, C. Meingast, J.Q. Guo, A.-P. Tsai, Heat capacity and thermal expansion of a decagonal Al-Co-Ni quasicrystal, Journal of Alloys and Compounds 342, 302 (2002)

3. B. Renker, H. Schober, F. Fernandez-Diaz, G. Roth, P. Nagel, R. Lortz, C. Meingast, Neutron scattering study of molecular motions in solid C60 intercalated with O2 and N2 , Synthetic Metals 121, 1097 (2001)

2. B. Renker, G. Roth, H. Schober, P. Nagel, R. Lortz, C. Meingast, D. Ernst, M. T. Fernandez-Diaz, M. Koza, Intercalation of molecular gases into C60 , Physical Review B 64, 205417 (2002)

1. J.P. Franck, I. Isaac, G. Zhang, J.E. Gordon, C. Marcenat, R. Lortz, C. Meingast, F. Bouquet, R.A. Fisher, N.E. Phillips, A study of the paramagnetic to ferromagnetic transition in the optimally doped CMR compound La0.65Ca0.35MnO3 and its dependence on oxygen mass. Journal of Superconductivity 15, 571 (2002).