Universität zu Köln

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

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

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

Baum, M., Komarek, A. C., Holbein, S., Fernandez-Diaz, M. T., Andre, G., Hiess, A., Sidis, Y., Steffens, P., Becker, P., Bohaty, L. and Braden, M. (2015). Magnetic structure and multiferroic coupling in pyroxene NaFeSi2O6. Phys. Rev. B, 91 (21). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1550-235X

Baum, M., Leist, J., Finger, Th., Schmalzl, K., Hiess, A., Regnault, L. P., Becker, P., Bohaty, L., Eckold, G. and Braden, M. (2014). Kinetics of the multiferroic switching in MnWO4. Phys. Rev. B, 89 (14). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

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

Biesenkamp, S., Gorkov, D., Schmidt, W., Schmalzl, K., Sidis, Y., Becker, P., Bohaty, L. and Braden, M. (2021). Chiral order and multiferroic domain relaxation in NaFeGe2O6. Phys. Rev. B, 104 (18). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Biesenkamp, S., Qureshi, N., Sidis, Y., Becker, P., Bohaty, L. and Braden, M. (2020). Structural dimerization in the commensurate magnetic phases of NaFe(WO4)(2) and MnWO4. Phys. Rev. B, 102 (14). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

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

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

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

Halevy, A., Megidish, E., Dovrat, L., Eisenberg, H. S., Becker, P. and Bohaty, L. (2011). The biaxial nonlinear crystal BiB3O6 as a polarization entangled photon source using non-collinear type-II parametric down-conversion. Opt. Express, 19 (21). S. 20420 - 20435. WASHINGTON: OPTICAL SOC AMER. ISSN 1094-4087

Hoffmann, T., Thielen, P., Becker, P., Bohaty, L. and Fiebig, M. (2011). Time-resolved imaging of magnetoelectric switching in multiferroic MnWO4. Phys. Rev. B, 84 (18). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1098-0121

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

Hollmann, N., Hu, Z., Willers, T., Bohaty, L., Becker, P., Tanaka, A., Hsieh, H. H., Lin, H. -J., Chen, C. T. and Tjeng, L. H. (2010). Local symmetry and magnetic anisotropy in multiferroic MnWO4 and antiferromagnetic CoWO4 studied by soft x-ray absorption spectroscopy. Phys. Rev. B, 82 (18). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Kaminskii, A. A., Becker, P., Rhee, H., Lux, O., Kaltenbach, A., Eichler, H. J., Shirakawa, A., Yoneda, H., Nemec, I., Fridrichova, M. and Bohaty, L. (2013). Stimulated Raman scattering in monoclinic non-centrosymmetric guanylurea(1+) hydrogen phosphite (GUHP). Phys. Status Solidi B-Basic Solid State Phys., 250 (9). S. 1837 - 1857. WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 1521-3951

Kaminskii, A. A., Bohaty, L., Becker, P., Kleinschrodt, R., Eichler, H. J., Rhee, H., Ueda, K., Shirakawa, A. and Koltashev, V. V. (2010). More than two-octaves span of the Stokes and anti-Stokes picosecond lasing comb in orthorhombic natural single crystals of celestine, SrSO4. Laser Phys. Lett., 7 (10). S. 743 - 752. BRISTOL: IOP PUBLISHING LTD. ISSN 1612-202X

Kaminskii, A. A., Bohaty, L., Becker, P., Rhee, H., Eichler, H. J., Lux, O. and Koltashev, V. V. (2011). Stimulated Raman scattering in natural crystals of SrSO4, BaSO4 and PbSO4: High-order Stokes and anti-Stokes generation with single-wavelength UV, visible, and near-IR excitation, as well as cascaded up-conversion nonlinear chi ((3)) <-> chi ((3)) lasing effects under dual-wavelength picosecond collinear coherent pumping. Appl. Phys. B-Lasers Opt., 105 (2). S. 363 - 379. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1432-0649

Kaminskii, A. A., Nakao, H., Bohaty, L., Becker, P., Liebertz, J., Kleinschrodt, R., Ueda, K. and Shirakawa, A. (2010). Stimulated emission (F-4(3/2) -> I-4(11/2) channel) with LD and Xe-flashlamp pumping of tetragonal, incommensurately modulated Ca2MgSi2O7:Nd3+(Na+) - a new disordered laser crystal. Laser Phys. Lett., 7 (12). S. 876 - 884. BRISTOL: IOP PUBLISHING LTD. ISSN 1612-202X

Kaminskii, A. A., Rhee, H., Lux, O., Eichler, H. J., Bohaty, L., Becker, P., Liebertz, J., Ueda, K., Shirakawa, A., Koltashev, V. V., Hanuza, J., Dong, J. and Stavrovskii, D. B. (2011). Many-phonon stimulated Raman scattering and related cascaded and cross-cascaded ?(3)-nonlinear optical effects in melilite-type crystal Ca2ZnSi2O7. Laser Phys. Lett., 8 (12). S. 859 - 875. BRISTOL: IOP PUBLISHING LTD. ISSN 1612-202X

Meier, D., Leo, N., Yuan, G., Lottermoser, Th., Fiebig, M., Becker, P. and Bohaty, L. (2010). Second harmonic generation on incommensurate structures: The case of multiferroic MnWO4. Phys. Rev. B, 82 (15). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Moeller, T., Becker, P., Bohaty, L., Hemberger, J. and Grueninger, M. (2014). Infrared-active phonon modes in monoclinic multiferroic MnWO4. Phys. Rev. B, 90 (15). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Niermann, D., Grams, C. P., Becker, P., Bohaty, L., Schenck, H. and Hemberger, J. (2015). Critical Slowing Down near the Multiferroic Phase Transition in MnWO4. Phys. Rev. Lett., 114 (3). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

Niermann, D., Grams, C. P., Schalenbach, M., Becker, P., Bohaty, L., Stein, J., Braden, M. and Hemberger, J. (2014). Domain dynamics in the multiferroic phase of MnWO4. Phys. Rev. B, 89 (13). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1550-235X

Prosnikov, M. A., Davydov, V. Yu., Smirnov, A. N., Volkov, M. P., Pisarev, R. V., Becker, P. and Bohaty, L. (2017). Lattice and spin dynamics in a low-symmetry antiferromagnet NiWO4. Phys. Rev. B, 96 (1). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

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

Revelli, A., Sala, M. Moretti, Monaco, G., Magnaterra, M., Attig, J., Peterlini, L., Dey, T., Tsirlin, A. A., Gegenwart, P., Froehlich, T., Braden, M., Grams, C., Hemberger, J., Becker, P., van Loosdrecht, P. H. M., Khomskii, D. I., van den Brink, J., Hermanns, M. and Grueninger, M. (2022). Quasimolecular electronic structure of the spin-liquid candidate Ba3InIr2O9. Phys. Rev. B, 106 (15). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Sahasrabudhe, A., Kaib, D. A. S. ORCID: 0000-0002-1448-0063, Reschke, S., German, R. ORCID: 0000-0003-2792-4142, Koethe, T. C. ORCID: 0000-0002-8976-0158, Buhot, J. ORCID: 0000-0003-3519-803X, Kamenskyi, D., Hickey, C., Becker, P., Tsurkan, V., Loidl, A. ORCID: 0000-0002-5579-0746, Do, S. H., Choi, K. Y., Grüninger, M. ORCID: 0000-0002-6550-8054, Winter, S. M., Wang, Zhe, Valentí, R. and van Loosdrecht, Paul H. M. ORCID: 0000-0002-3704-9890 (2020). High-field quantum disordered state in α−RuCl3 : Spin flips, bound states, and multiparticle continuum. Physical Review B, 101 (14). 140410(R). APS. ISSN 2469-9950

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

Versteeg, R. B. ORCID: 0000-0002-9928-5792, Boguschewski, C., Becker, P. and van Loosdrecht, P. H. M. (2019). Inelastic light scattering in the spin cluster Mott insulator Cu2OSeO3. Physical Review B, 100 (22). p. 224426. APS. ISSN 2469-9950

Versteeg, R. B., Zhu, J., Boguschewski, C., Sekiguchi, F., Sahasrabudhe, A., Budzinauskas, K., Padmanabhan, P., Becker, P., Khomskii, D. I. and van Loosdrecht, P. H. M. (2019). Coupled dynamics of long-range and cluster-internal spin order in the cluster Mott insulator Cu2OSeO3. Physical Review B, 100 (6). 064401. APS. ISSN 2469-9950

Versteeg, R. B., Zhu, J., Padmanabhan, P., Boguschewski, C., German, R., Goedecke, M., Becker, P. and van Loosdrecht, P. H. M. (2018). A tunable time-resolved spontaneous Raman spectroscopy setup for probing ultrafast collective excitation and quasiparticle dynamics in quantum materials. Structural Dynamics, 5 (4). 044301. ACA. ISSN 2329-7778