Universität zu Köln

Amorese, Andrea, Sundermann, Martin, Leedahl, Brett, Marino, Andrea, Takegami, Daisuke ORCID: 0000-0003-3832-1849, Gretarsson, Hlynur, Gloskovskii, Andrei, Schlueter, Christoph, Haverkort, Maurits W. ORCID: 0000-0002-7216-3146, Huang, Yingkai, Szlawska, Maria, Kaczorowski, Dariusz, Ran, Sheng, Maple, M. Brian, Bauer, Eric D., Leithe-Jasper, Andreas, Hansmann, Philipp, Thalmeier, Peter, Tjeng, Liu Hao and Severing, Andrea ORCID: 0000-0002-9547-2742 (2020). From antiferromagnetic and hidden order to Pauli paramagnetism in UM2Si2 compounds with 5f electron duality. Proc. Natl. Acad. Sci. U. S. A., 117 (48). S. 30220 - 30228. WASHINGTON: NATL ACAD SCIENCES. ISSN 0027-8424

Amorese, Andrea, Marino, Andrea, Sundermann, Martin, Chen, Kai, Hu, Zhiwei, Willers, Thomas, Choukani, Fadi, Ohresser, Philippe, Herrero-Martin, Javier, Agrestini, Stefano, Chen, Chien-Te, Lin, Hong-Ji, Haverkort, Maurits W., Seiro, Silvia, Geibel, Christoph, Steglich, Frank, Tjeng, Liu Hao, Zwicknagl, Gertrud and Severing, Andrea ORCID: 0000-0002-9547-2742 (2020). Possible multiorbital ground state in CeCu2Si2. Phys. Rev. B, 102 (24). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Yavas, Hasan ORCID: 0000-0002-8940-3556, Sundermann, Martin, Chen, Kai, Amorese, Andrea ORCID: 0000-0003-0271-0543, Severing, Andrea ORCID: 0000-0002-9547-2742, Gretarsson, Hlynur, Haverkort, Maurits W. ORCID: 0000-0002-7216-3146 and Tjeng, Liu Hao ORCID: 0000-0002-0595-9312 (2019). Direct imaging of orbitals in quantum materials. Nat. Phys., 15 (6). S. 559 - 564. LONDON: NATURE PUBLISHING GROUP. ISSN 1745-2481

Leedahl, Brett, Sundermann, Martin, Amorese, Andrea ORCID: 0000-0003-0271-0543, Severing, Andrea ORCID: 0000-0002-9547-2742, Gretarsson, Hlynur, Zhang, Lunyong, Komarek, Alexander C., Maignan, Antoine, Haverkort, Maurits W. ORCID: 0000-0002-7216-3146 and Tjeng, Liu Hao ORCID: 0000-0002-0595-9312 (2019). Origin of Ising magnetism in Ca3Co2O6 unveiled by orbital imaging. Nat. Commun., 10. LONDON: NATURE PUBLISHING GROUP. ISSN 2041-1723

Amorese, Andrea ORCID: 0000-0003-0271-0543, Stockert, Oliver, Kummer, Kurt, Brookes, Nicholas B., Kim, Dae-Jeong, Fisk, Zachary, Haverkort, Maurits W., Thalmeier, Peter, Tjeng, Liu Hao ORCID: 0000-0002-0595-9312 and Severing, Andrea ORCID: 0000-0002-9547-2742 (2019). Resonant inelastic x-ray scattering investigation of the crystal-field splitting of Sm3+ in SmB6. Phys. Rev. B, 100 (24). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Amorese, Andrea ORCID: 0000-0003-0271-0543, Kummer, Kurt, Brookes, Nicholas B., Stockert, Oliver, Adroja, Devashibhai T., Strydom, Andre M., Sidorenko, Andrey, Winkler, Hannes, Zocco, Diego A., Prokofiev, Andrey, Paschen, Silke ORCID: 0000-0002-3796-0713, Haverkort, Maurits W. ORCID: 0000-0002-7216-3146, Tjeng, Liu Hao ORCID: 0000-0002-0595-9312 and Severing, Andrea ORCID: 0000-0002-9547-2742 (2018). Determining the local low-energy excitations in the Kondo semimetal CeRu4Sn6 using resonant inelastic x-ray scattering. Phys. Rev. B, 98 (8). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Chen, Kai, Sundermann, Martin, Strigari, Fabio, Kawabata, Jo, Takabatake, Toshiro ORCID: 0000-0002-3293-8592, Tanaka, Arata ORCID: 0000-0001-8301-8502, Bencok, Peter, Choueikani, Fadi and Severing, Andrea ORCID: 0000-0002-9547-2742 (2018). Tuning the hybridization and magnetic ground state of electron and hole doped CeOs2Al10: An x-ray spectroscopy study. Phys. Rev. B, 97 (15). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Sundermann, Martin, Haverkort, Maurits W. ORCID: 0000-0002-7216-3146, Agrestini, Stefano ORCID: 0000-0002-3625-880X, Al-Zein, Ali, Sala, Marco Moretti ORCID: 0000-0002-9744-9976, Huang, Yingkai, Golden, Mark, de Visser, Anne, Thalmeier, Peter, Tjeng, Liu Hao ORCID: 0000-0002-0595-9312 and Severing, Andrea ORCID: 0000-0002-9547-2742 (2016). Direct bulk-sensitive probe of 5f symmetry in URu2Si2. Proc. Natl. Acad. Sci. U. S. A., 113 (49). S. 13989 - 13995. WASHINGTON: NATL ACAD SCIENCES. ISSN 0027-8424

Sundermann, Martin, Strigari, Fabio, Willers, Thomas, Winkler, Hannes, Prokofiev, Andrey, Ablett, James M., Rueff, Jean-Pascal ORCID: 0000-0003-3594-918X, Schmitz, Detlerg, Weschke, Eugen ORCID: 0000-0002-2141-0944, Sala, Marco Moretti ORCID: 0000-0002-9744-9976, Al-Zein, Ali, Tanaka, Arata ORCID: 0000-0001-8301-8502, Haverkort, Maurits W. ORCID: 0000-0002-7216-3146, Kasinathan, Deepa ORCID: 0000-0002-9063-6867, Tjeng, Liu Hao ORCID: 0000-0002-0595-9312, Paschen, Silke ORCID: 0000-0002-3796-0713 and Severing, Andrea ORCID: 0000-0002-9547-2742 (2015). CeRu4Sn6: a strongly correlated material with nontrivial topology. Sci Rep, 5. LONDON: NATURE PUBLISHING GROUP. ISSN 2045-2322

Willers, Thomas, Strigari, Fabio, Hu, Zhiwei ORCID: 0000-0003-0324-2227, Sessi, Violetta, Brookes, Nicholas B., Bauer, Eric D., Sarrao, John L., Thompson, J. D., Tanaka, Arata ORCID: 0000-0001-8301-8502, Wirth, Steffen, Tjeng, Liu Hao ORCID: 0000-0002-0595-9312 and Severing, Andrea ORCID: 0000-0002-9547-2742 (2015). Correlation between ground state and orbital anisotropy in heavy fermion materials. Proc. Natl. Acad. Sci. U. S. A., 112 (8). S. 2384 - 2389. WASHINGTON: NATL ACAD SCIENCES. ISSN 0027-8424

Willers, Thomas, Strigari, Fabio, Hu, Zhiwei ORCID: 0000-0003-0324-2227, Sessi, Violetta, Brookes, Nicholas B., Bauer, Eric D., Sarrao, John L., Thompson, J. D., Tanaka, Arata ORCID: 0000-0001-8301-8502, Wirth, Steffen, Tjeng, Liu Hao ORCID: 0000-0002-0595-9312 and Severing, Andrea ORCID: 0000-0002-9547-2742 (2015). Correlation between ground state and orbital anisotropy in heavy fermion materials. Proc. Natl. Acad. Sci. U. S. A., 112 (8). S. 2384 - 2389. WASHINGTON: NATL ACAD SCIENCES. ISSN 0027-8424

Zekko, Yumiko, Yamamoto, Yoshiya, Yamaoka, Hitoshi, Tajima, Fumisato, Nishioka, Takashi, Strigari, Fabio, Severing, Andrea ORCID: 0000-0002-9547-2742, Lin, Jun-Fu, Hiraoka, Nozomu, Ishii, Hirofumi, Tsuei, Ku-Ding and Mizuki, Jun'ichiro (2014). Correlation between the valence state of cerium and the magnetic transition in Ce(Ru1-xFex)(2)Al-10 studied by resonant x-ray emission spectroscopy. Phys. Rev. B, 89 (12). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1550-235X