Universität zu Köln

2021

Biesenkamp, S., Gorkov, D., Bruening, D., Bertin, A., Froehlich, T., Fabreges, X., Gukasov, A., Meven, M., Becker, P., Bohaty, L., Lorenz, T. and Braden, M. (2021). Single-crystal investigations on the multiferroic material LiFe(WO4)(2). Phys. Rev. B, 103 (13). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Breuning, D., Froehlich, T., Gorkov, D., Cisarova, I., Skourski, Y., Rossi, L., Bryant, B., Wiedmann, S., Meven, M., Ushakov, A., Streltsov, S. V., Khomskii, D., Becker, P., Bohaty, L., Braden, M. and Lorenz, T. (2021). Multiple field-induced phases in the frustrated triangular magnet Cs3Fe2Br9. Phys. Rev. B, 104 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

2020

Rossi, L., Bruening, D., Ueda, H., Skourski, Y., Lorenz, T. and Bryant, B. (2020). Magnetoelectric coupling in a frustrated spinel studied using high-field scanning probe microscopy. Appl. Phys. Lett., 116 (26). MELVILLE: AMER INST PHYSICS. ISSN 1077-3118

2019

Jenni, K., Kunkemoeller, S., Bruening, D., Lorenz, T., Sidis, Y., Schneidewind, A., Nugroho, A. A., Rosch, A., Khomskii, D. I. and Braden, M. (2019). Interplay of Electronic and Spin Degrees in Ferromagnetic SrRuO3: Anomalous Softening of the Magnon Gap and Stiffness. Phys. Rev. Lett., 123 (1). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

Revelli, A., Loo, C. C., Kiese, D., Becker, P., Fröhlich, T., Lorenz, T., Moretti Sala, M., Monaco, G., Buessen, F. L., Attig, J., Hermanns, M., Streltsov, S. V., Khomskii, D. I., van den Brink, J., Braden, M., van Loosdrecht, P. H. M., Trebst, S. ORCID: 0000-0002-1479-9736, Paramekanti, A. and Grüninger, M. ORCID: 0000-0002-6550-8054 (2019). Spin-orbit entangled j=12 moments in Ba2CeIrO6 : A frustrated fcc quantum magnet. Physical Review B, 100 (8). APS. ISSN 2469-9950

Revelli, A. ORCID: 0000-0002-1284-4142, Moretti Sala, M. ORCID: 0000-0002-9744-9976, Monaco, G., Becker, P., Bohatý, L., Hermanns, M. ORCID: 0000-0003-2258-1945, Koethe, T. C., Fröhlich, T. ORCID: 0000-0002-3547-1991, Warzanowski, P., Lorenz, T. ORCID: 0000-0003-4832-5157, Streltsov, S. V. ORCID: 0000-0002-2823-1754, van Loosdrecht, P. H. M., Khomskii, D. I., van den Brink, J. and Grüninger, M. ORCID: 0000-0002-6550-8054 (2019). Resonant inelastic x-ray incarnation of Young’s double-slit experiment. Science Advances, 5 (1). eaav4020. AAAS. ISSN 2375-2548

Wang, Zhe ORCID: 0000-0001-7464-5408, Schmidt, M., Loidl, A., Wu, Jianda ORCID: 0000-0002-3571-3348, Zou, Haiyuan ORCID: 0000-0002-7551-0297, Yang, Wang, Dong, Chao, Kohama, Y., Kindo, K., Gorbunov, D., I, Niesen, S., Breunig, O., Engelmayer, J. and Lorenz, T. (2019). Quantum Critical Dynamics of a Heisenberg-Ising Chain in a Longitudinal Field: Many-Body Strings versus Fractional Excitations. Phys. Rev. Lett., 123 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

2018

Wang, Zhe, Lorenz, T., Gorbunov, D., I, Cong, P. T., Kohama, Y., Niesen, S., Breunig, O., Engelmayer, J., Herman, A., Wu, Jianda, Kindo, K., Wosnitza, J., Zherlitsyn, S. and Loidl, A. (2018). Quantum Criticality of an Ising-like Spin-1/2 Antiferromagnetic Chain in a Transverse Magnetic Field. Phys. Rev. Lett., 120 (20). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

2017

Kunkemoeller, S., Bruening, D., Stunault, A., Nugroho, A. A., Lorenz, T. and Braden, M. (2017). Magnetic shape-memory effect in SrRuO3. Phys. Rev. B, 96 (22). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

2016

Holbein, S., Ackermann, M., Chapon, L., Steffens, P., Gukasov, A., Sazonov, A., Breunig, O., Sanders, Y., Becker, P., Bohaty, L., Lorenz, T. and Braden, M. (2016). Strong magnetoelastic coupling at the transition from harmonic to anharmonic order in NaFe(WO4)(2) with 3d(5) configuration. Phys. Rev. B, 94 (10). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

2015

Ackermann, M., Andersen, L., Lorenz, T., Bohaty, L. and Becker, P. (2015). Anisotropy study of multiferroicity in the pyroxene NaFeGe2O6. New J. Phys., 17. BRISTOL: IOP PUBLISHING LTD. ISSN 1367-2630

Breunig, O., Garst, M., Rosch, A., Sela, E., Buldmann, B., Becker, P., Bohaty, L., Mueller, R. and Lorenz, T. (2015). Low-temperature ordered phases of the spin-1/2 XXZ chain system Cs2CoCl4. Phys. Rev. B, 91 (2). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Scharffe, S., Breunig, O., Cho, V., Laschitzky, P., Valldor, M., Welter, J. F. and Lorenz, T. (2015). Suppression of Pauling's residual entropy in the dilute spin ice (Dy1-xYx)(2)Ti2O7. Phys. Rev. B, 92 (18). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1550-235X

Toledano, P., Ackermann, M., Bohaty, L., Becker, P., Lorenz, T., Leo, N. and Fiebig, M. (2015). Primary ferrotoroidicity in antiferromagnets. Phys. Rev. B, 92 (9). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Ulrich, C., Khaliullin, G., Guennou, M., Roth, H., Lorenz, T. and Keimer, B. (2015). Spin-Orbital Excitation Continuum and Anomalous Electron-Phonon Interaction in the Mott Insulator LaTiO3. Phys. Rev. Lett., 115 (15). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

2014

Ackermann, M., Lorenz, T., Becker, P. and Bohaty, L. (2014). Magnetoelectric properties of A(2)[FeCl5(H2O)] with A = K, Rb, Cs. J. Phys.-Condes. Matter, 26 (50). BRISTOL: IOP PUBLISHING LTD. ISSN 1361-648X

Niesen, S. K., Breunig, O., Salm, S., Seher, M., Valldor, M., Warzanowski, P. and Lorenz, T. (2014). Substitution effects on the temperature versus magnetic field phase diagrams of the quasi-one-dimensional effective Ising spin-1/2 chain system BaCo2V2O8. Phys. Rev. B, 90 (10). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

2013

Ackermann, M., Bruening, D., Lorenz, T., Becker, P. and Bohaty, L. (2013). Thermodynamic properties of the new multiferroic material (NH4)(2)[FeCl5(H2O)]. New J. Phys., 15. BRISTOL: IOP PUBLISHING LTD. ISSN 1367-2630

Breunig, O., Garst, M., Sela, E., Buldmann, B., Becker, P., Bohaty, L., Mueller, R. and Lorenz, T. (2013). Spin-1/2 XXZ Chain System Cs2CoCl4 in a Transverse Magnetic Field. Phys. Rev. Lett., 111 (18). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

2012

Hu, Z., Wu, Hua ORCID: 0000-0003-1280-202X, Koethe, T. C., Barilo, S. N., Shiryaev, S. V., Bychkov, G. L., Schuessler-Langeheine, C., Lorenz, T., Tanaka, A., Hsieh, H. H., Lin, H-J, Chen, C. T., Brookes, N. B., Agrestini, S., Chin, Y-Y, Rotter, M. and Tjeng, L. H. (2012). Spin-state order/disorder and metal-insulator transition in GdBaCo2O5.5: experimental determination of the underlying electronic structure. New J. Phys., 14. BRISTOL: IOP PUBLISHING LTD. ISSN 1367-2630

2011

Heyer, O., Link, P., Wandner, D., Ruschewitz, U. and Lorenz, T. (2011). Thermodynamic properties and resistivity of the ferromagnetic semiconductor EuC2. New J. Phys., 13. BRISTOL: IOP PUBLISHING LTD. ISSN 1367-2630

2010

Forthaus, M. K., Sengupta, K., Heyer, O., Christensen, N. E., Svane, A., Syassen, K., Khomskii, D. I., Lorenz, T. and Abd-Elmeguid, M. M. (2010). Superconductivity in SnO: A Nonmagnetic Analog to Fe-Based Superconductors? Phys. Rev. Lett., 105 (15). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

Senyshyn, A., Schwarz, B., Lorenz, T., Adamiv, V. T., Burak, Ya. V., Banys, J., Grigalaitis, R., Vasylechko, L., Ehrenberg, H. and Fuess, H. (2010). Low-temperature crystal structure, specific heat, and dielectric properties of lithium tetraborate Li2B4O7. J. Appl. Phys., 108 (9). MELVILLE: AMER INST PHYSICS. ISSN 1089-7550