Universität zu Köln

2022

Maluski, D., Mayorga, I. Camara, Hemberger, J. and Grueninger, M. (2022). Terahertz Measurements on Subwavelength-Size Samples Down to the Tunneling Limit. J. Infrared Millim. Terahertz Waves, 43 (3-4). S. 314 - 335. NEW YORK: SPRINGER. ISSN 1866-6906

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

Vergara, I, Magnaterra, M., Warzanowski, P., Attig, J., Kunkemoeller, S., Khomskii, D., I, Braden, M., Hermanns, M. and Grueninger, M. (2022). Spin-orbit coupling and crystal-field splitting in Ti-doped Ca2RuO4 studied by ellipsometry. Phys. Rev. B, 106 (8). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

2018

Shportko, K., Zalden, P., Lindenberg, A. M., Rueckamp, R. and Grueninger, M. (2018). Anharmonicity of the vibrational modes of phase-change materials: A far-infrared, terahertz, and Raman study. Vib. Spectrosc., 95. S. 51 - 57. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-3697

2017

Knispel, T., Jolie, W., Borgwardt, N., Lux, J., Wang, Zhiwei ORCID: 0000-0003-0182-2471, Ando, Yoichi ORCID: 0000-0002-3553-3355, Rosch, A., Michely, T. and Grueninger, M. (2017). Charge puddles in the bulk and on the surface of the topological insulator BiSbTeSe2 studied by scanning tunneling microscopy and optical spectroscopy. Phys. Rev. B, 96 (19). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

2016

Borgwardt, N., Lux, J., Vergara, I., Wang, Zhiwei ORCID: 0000-0003-0182-2471, Taskin, A. A., Segawa, Kouji, van Loosdrecht, P. H. M., Ando, Yoichi ORCID: 0000-0002-3553-3355, Rosch, A. and Grueninger, M. (2016). Self-organized charge puddles in a three-dimensional topological material. Phys. Rev. B, 93 (24). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Randi, F., Vergara, I., Novelli, F., Esposito, M., Dell'Angela, M., Brabers, V. A. M., Metcalf, P., Kukreja, R., Duerr, H. A., Fausti, D., Grueninger, M. and Parmigiani, F. (2016). Phase separation in the nonequilibrium Verwey transition in magnetite. Phys. Rev. B, 93 (5). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Versteeg, R. B., Vergara, I., Schaefer, S. D., Bischoff, D., Aqeel, A., Palstra, T. T. M., Grueninger, M. and van Loosdrecht, P. H. M. (2016). Optically probed symmetry breaking in the chiral magnet Cu2OSeO3. Phys. Rev. B, 94 (9). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

2015

Thirunavukkuarasu, K., Langenbach, M., Roggenbuck, A., Vidal, E., Schmitz, H., Hemberger, J. and Grueninger, M. (2015). Self-normalizing phase measurement in multimode terahertz spectroscopy based on photomixing of three lasers. Appl. Phys. Lett., 106 (3). MELVILLE: AMER INST PHYSICS. ISSN 1077-3118

2014

Langenbach, M., Roggenbuck, A., Mayorga, I. Camara, Deninger, A., Thirunavukkuarasu, K., Hemberger, J. and Grueninger, M. (2014). Group Delay in THz Spectroscopy with Ultra-Wideband Log-Spiral Antennae. J. Infrared Millim. Terahertz Waves, 35 (11). S. 918 - 932. NEW YORK: SPRINGER. ISSN 1866-6906

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

2013

Benckiser, E., Fels, L., Ghiringhelli, G., Sala, M. Moretti, Schmitt, T., Schlappa, J., Strocov, V. N., Mufti, N., Blake, G. R., Nugroho, A. A., Palstra, T. T. M., Haverkort, M. W., Wohlfeld, K. and Grueninger, M. (2013). Orbital superexchange and crystal field simultaneously at play in YVO3: Resonant inelastic x-ray scattering at the V L edge and the O K edge. Phys. Rev. B, 88 (20). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

2012

Reul, J., Nugroho, A. A., Palstra, T. T. M. and Grueninger, M. (2012). Probing orbital fluctuations in RVO3 (R = Y, Gd, or Ce) by ellipsometry. Phys. Rev. B, 86 (12). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1098-0121

2011

Komarek, A. C., Moeller, T., Isobe, M., Drees, Y., Ulbrich, H., Azuma, M., Fernandez-Diaz, M. T., Senyshyn, A., Hoelzel, M., Andre, G., Ueda, Y., Grueninger, M. and Braden, M. (2011). Magnetic order, transport and infrared optical properties in the ACrO(3) system (A = Ca, Sr, and Pb). Phys. Rev. B, 84 (12). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969