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<code bibtex> @article{Praetorius_2016ck, author = {Praetorius, C and Zinner, M and Hansmann, P and Haverkort, Maurits W and Fauth, K}, title = {{Exploring small energy scales with x-ray absorption and dichroism}}, journal = {Physical Review B}, year = {2016}, volume = {93}, number = {16}, pages = {165107}, month = apr } @article{Sundermann_2015go, author = {Sundermann, Martin and Strigari, Fabio and Willers, Thomas and Winkler, Hannes and Prokofiev, Andrey and Ablett, James M and Rueff, Jean-Pascal and Schmitz, Detlef and Weschke, Eugen and Sala, Marco Moretti and Al-Zein, Ali and Tanaka, Arata and Haverkort, Maurits W and Kasinathan, Deepa and Tjeng, Liu Hao and Paschen, Silke and Severing, Andrea}, title = {{CeRu$_{4}$Sn$_{6}$: a strongly correlated material with nontrivial topology}}, journal = {Scientific Reports}, year = {2015}, pages = {1--9}, month = nov } @article{Rueff_2015jr, author = {Rueff, J P and Ablett, J M and Strigari, F and Deppe, M and Haverkort, Maurits W and Tjeng, Liu Hao and Severing, A}, title = {{Absence of orbital rotation in superconducting CeCu2Ge$_{2}$}}, journal = {Physical Review B}, year = {2015}, volume = {91}, number = {20}, pages = {201108}, month = may } @article{Kasinathan_2015cy, author = {Kasinathan, Deepa and Koepernik, Klaus and Tjeng, Liu Hao and Haverkort, Maurits W}, title = {{SmO thin films: A flexible route to correlated flat bands with nontrivial topology}}, journal = {Physical Review B}, year = {2015}, volume = {91}, number = {19}, pages = {195127}, month = may } @article{Agrestini:2015km, author = {Agrestini, S and Hu, Zhiwei and Kuo, C Y and Haverkort, Maurits W and Ko, K T and Hollmann, N and Liu, Q and Pellegrin, E and Valvidares, M and Herrero-Mart{\'\i}n, J and Gargiani, P and Gegenwart, P and Schneider, M and Esser, S and Tanaka, Arata and Komarek, A C and Tjeng, Liu Hao}, title = {{Electronic and spin states of SrRuO$_{3 }$thin films: An x-ray magnetic circular dichroism study}}, journal = {Physical Review B}, year = {2015}, volume = {91}, number = {7}, pages = {075127}, month = feb } @article{Strigari:2015ek, author = {Strigari, F and Sundermann, M and Muro, Y and Yutani, K and Takabatake, T and Tsuei, K D and Liao, Y F and Tanaka, Arata and Thalmeier, P and Haverkort, Maurits W and Tjeng, Liu Hao and Severing, A}, title = {{Quantitative study of valence and configuration interaction parameters of the Kondo semiconductors CeM$_{2}$Al$_{10}$ (M = Ru, Os and Fe) by means of bulk-sensitive hard X-ray photoelectron spectroscopy}}, journal = {Journal of Electron Spectroscopy and Related Phenomena}, year = {2015}, volume = {199}, pages = {56--63}, month = feb } @article{Haverkort:2014hq, author = {Haverkort, Maurits W and Sangiovanni, Giorgio and Hansmann, P and Toschi, Alessandro and Lu, Y and Macke, S}, title = {{Bands, resonances, edge singularities and excitons in core level spectroscopy investigated within the dynamical mean-field theory}}, journal = {Europhysics Letters}, year = {2014}, volume = {108}, number = {5}, pages = {57004}, month = dec } @article{Macke:2014cl, author = {Macke, Sebastian and Radi, Abdullah and Hamann-Borrero, Jorge E and Verna, Adriano and Bluschke, Martin and Br{\"u}ck, Sebastian and Goering, Eberhard and Sutarto, Ronny and He, Feizhou and Cristiani, Georg and Wu, Meng and Benckiser, Eva and Habermeier, Hanns-Ulrich and Logvenov, Gennady and Gauquelin, Nicolas and Botton, Gianluigi A and Kajdos, Adam P and Stemmer, Susanne and Sawatzky, George A and Haverkort, Maurits W and Keimer, Bernhard and Hinkov, Vladimir}, title = {{Element Specific Monolayer Depth Profiling}}, journal = {Advanced Materials}, year = {2014}, volume = {26}, number = {38}, pages = {6554--6559}, month = aug } @article{Lu:2014de, author = {Lu, Y and H{\"o}ppner, M and Gunnarsson, Olle and Haverkort, Maurits W}, title = {{Efficient real-frequency solver for dynamical mean-field theory}}, journal = {Physical Review B}, year = {2014}, volume = {90}, number = {8}, pages = {085102}, month = aug } @article{Veenstra:2014ka, author = {Veenstra, C N and Zhu, Z H and Raichle, M and Ludbrook, B M and Nicolaou, A and Slomski, B and Landolt, G and Kittaka, S and Maeno, Yoshiteru and Dil, J H and Elfimov, I S and Haverkort, Maurits W and Damascelli, A}, title = {{Spin-Orbital Entanglement and the Breakdown of Singlets and Triplets in Sr$_{2}$RuO$_{4}$ Revealed by Spin- and Angle-Resolved Photoemission Spectroscopy}}, journal = {Physical Review Letters}, year = {2014}, volume = {112}, number = {12}, pages = {127002}, month = mar } @article{Zhu:2014kq, author = {Zhu, Z H and Veenstra, C N and Zhdanovich, S and Schneider, M P and Okuda, T and Miyamoto, K and Zhu, S Y and Namatame, H and Taniguchi, M and Haverkort, Maurits W and Elfimov, I S and Damascelli, A}, title = {{Photoelectron Spin-Polarization Control in the Topological Insulator Bi$_{2}$Se$_{3}$}}, journal = {Physical Review Letters}, year = {2014}, volume = {112}, number = {7}, pages = {076802}, month = feb } @article{Benckiser:2013dk, author = {Benckiser, E and Fels, L and Ghiringhelli, Giacomo and Moretti Sala, M and Schmitt, T and Schlappa, J and Strocov, V N and Mufti, N and Blake, G R and Nugroho, A A and Palstra, T T M and Haverkort, Maurits W and Wohlfeld, Krzysztof and Gr{\"u}ninger, M}, title = {{Orbital superexchange and crystal field simultaneously at play in YVO$_{3}$: Resonant inelastic x-ray scattering at the V \emph{L} edge and the O \emph{K} edge}}, journal = {Physical Review B}, year = {2013}, volume = {88}, number = {20}, pages = {205115}, month = nov } @article{Wohlfeld:2013ii, author = {Wohlfeld, Krzysztof and Nishimoto, Satoshi and Haverkort, Maurits W and van den Brink, Jeroen}, title = {{Microscopic origin of spin-orbital separation in Sr$_{2}$CuO$_{3}$}}, journal = {Physical Review B}, year = {2013}, volume = {88}, number = {19}, pages = {195138}, month = nov } @article{Wu:2013jv, author = {Wu, M and Benckiser, E and Haverkort, Maurits W and Frano, A and Lu, Y and Nwankwo, U and Br{\"u}ck, S and Audehm, P and Goering, Eberhard and Macke, S and Hinkov, V and Wochner, P and Christiani, G and Heinze, S and Logvenov, G and Habermeier, H U and Keimer, B}, title = {{Strain and composition dependence of orbital polarization in nickel oxide superlattices}}, journal = {Physical Review B}, year = {2013}, volume = {88}, number = {12}, pages = {125124}, month = sep } @article{Frano:2013gd, author = {Frano, A and Schierle, E and Haverkort, Maurits W and Lu, Y and Wu, M and Blanco-Canosa, S and Nwankwo, U and Boris, A V and Wochner, P and Cristiani, Georg and Habermeier, H U and Logvenov, G and Hinkov, V and Benckiser, E and Weschke, Eugen and Keimer, B}, title = {{Orbital Control of Noncollinear Magnetic Order in Nickel Oxide Heterostructures}}, journal = {Physical Review Letters}, year = {2013}, volume = {111}, number = {10}, pages = {106804}, month = sep } @article{Zhu:2013bw, author = {Zhu, Z H and Veenstra, C N and Levy, G and Ubaldini, A and Syers, P and Butch, N P and Paglione, J and Haverkort, Maurits W and Elfimov, I S and Damascelli, A}, title = {{Layer-By-Layer Entangled Spin-Orbital Texture of the Topological Surface State in Bi$_{2}$Se$_{3}$}}, journal = {Physical Review Letters}, year = {2013}, volume = {110}, number = {21}, pages = {216401}, month = may } @article{Strigari:2013iv, author = {Strigari, F and Willers, T and Muro, Y and Yutani, K and Takabatake, T and Hu, Zhiwei and Agrestini, S and Kuo, C Y and Chin, Y Y and Lin, H J and Pi, T and Chen, C T and Weschke, Eugen and Schierle, E and Tanaka, Arata and Haverkort, Maurits W and Tjeng, Liu Hao and Severing, A}, title = {{Crystal field ground state of the orthorhombic Kondo semiconductors CeOs$_{2}$Al$_{10}$ and CeFe$_{2}$Al$_{10}$}}, journal = {Physical Review B}, year = {2013}, volume = {87}, number = {12}, pages = {125119}, month = mar } @article{Strigari:2012fa, author = {Strigari, F and Willers, T and Muro, Y and Yutani, K and Takabatake, T and Hu, Zhiwei and Chin, Y Y and Agrestini, S and Lin, H J and Chen, C T and Tanaka, Arata and Haverkort, Maurits W and Tjeng, Liu Hao and Severing, A}, title = {{Crystal-field ground state of the orthorhombic Kondo insulator CeRu$_{2}$Al$_{10}$}}, journal = {Physical Review B}, year = {2012}, volume = {86}, number = {8}, pages = {081105}, month = aug } @article{Willers:2012bz, author = {Willers, T and Strigari, F and Hiraoka, N and Cai, Y Q and Haverkort, Maurits W and Tsuei, K D and Liao, Y F and Seiro, S and Geibel, C and Steglich, F and Tjeng, Liu Hao and Severing, A}, title = {{Determining the In-Plane Orientation of the Ground-State Orbital of CeCu$_{2}$Si$_{2}$}}, journal = {Physical Review Letters}, year = {2012}, volume = {109}, number = {4}, pages = {046401}, month = jul } @article{Hossain:2012bc, author = {Hossain, M A and Bohnenbuck, B and Chuang, Y D and Haverkort, Maurits W and Elfimov, I S and Tanaka, Arata and Cruz Gonzalez, A G and Hu, Zhiwei and Lin, H J and Chen, C T and Mathieu, R and Tokura, Yoshinori and Yoshida, Yoshiyuki and Tjeng, Liu Hao and Hussain, Z and Keimer, B and Sawatzky, George A and Damascelli, A}, title = {{Mott versus Slater-type metal-insulator transition in Mn-substituted Sr$_{3}$Ru$_{2}$O$_{7}$}}, journal = {Physical Review B}, year = {2012}, volume = {86}, number = {4}, pages = {041102}, month = jul } @article{Glawion:2012gs, author = {Glawion, S and Haverkort, Maurits W and Berner, G and Hoinkis, M and Gavrila, G and Kraus, R and Knupfer, M and Sing, M and Claessen, R}, title = {{Unoccupied electronic structure of TiOCl studied using x-ray absorption near-edge spectroscopy}}, journal = {Journal of Physics: Condensed Matter}, year = {2012}, volume = {24}, number = {25}, pages = {255602}, month = may } @article{Schlappa:2012hj, author = {Schlappa, J and Wohlfeld, Krzysztof and Zhou, K J and Mourigal, M and Haverkort, Maurits W and Strocov, V N and Hozoi, L and Monney, C and Nishimoto, S and Singh, S and Revcolevschi, A and Caux, J S and Patthey, L and R{\o}nnow, H M and van den Brink, Jeroen and Schmitt, T}, title = {{Spin-orbital separation in the quasi-one-dimensional Mott insulator Sr$_{2}$CuO$_{3}$ }}, journal = {Nature}, year = {2012}, volume = {485}, number = {7396}, pages = {82--85}, month = apr } @article{Haverkort:2012du, author = {Haverkort, Maurits W and Zwierzycki, Maciej and Andersen, Ole Krogh}, title = {{Multiplet ligand-field theory using Wannier orbitals}}, journal = {Physical Review B}, year = {2012}, volume = {85}, number = {16}, pages = {165113}, month = apr } @article{Hansmann:2012it, author = {Hansmann, P and Haverkort, Maurits W and Toschi, Alessandro and Sangiovanni, Giorgio and Rodolakis, F and Rueff, J P and Marsi, M and Held, Karsten}, title = {{Atomic and itinerant effects at the transition-metal x-ray absorption K pre-edge exemplified in the case of V$_{2}$O$_{3}$}}, journal = {Physical Review B}, year = {2012}, volume = {85}, number = {11}, pages = {115136}, month = mar } @article{Rodolakis:2011ek, author = {Rodolakis, F and Rueff, J P and Sikora, M and Alliot, I and Iti{\'e}, J P and Baudelet, F and Ravy, S and Wzietek, P and Hansmann, P and Toschi, Alessandro and Haverkort, Maurits W and Sangiovanni, Giorgio and Held, Karsten and Metcalf, P and Marsi, M}, title = {{Evolution of the electronic structure of a Mott system across its phase diagram: X-ray absorption spectroscopy study of (V$_{1-x}$Cr$_{x}$)$_{2}$O$_{3}$}}, journal = {Physical Review B}, year = {2011}, volume = {84}, number = {24}, pages = {245113}, month = dec } @article{Hiraoka:2011cq, author = {Hiraoka, N and Suzuki, M and Tsuei, K D and Ishii, H and Cai, Y Q and Haverkort, Maurits W and Lee, C C and Ku, W}, title = {{dd excitations in three-dimensional q-space: A nonresonant inelastic X-ray scattering study on NiO}}, journal = {Europhysics Letters}, year = {2011}, volume = {96}, number = {3}, pages = {37007}, month = oct } @article{Glawion:2011jf, author = {Glawion, S and Heidler, J and Haverkort, Maurits W and Duda, L C and Schmitt, T and Strocov, V N and Monney, C and Zhou, K J and Ruff, A and Sing, M and Claessen, R}, title = {{Two-spinon and orbital excitations of the spin-Peierls system TiOCl}}, journal = {Physical Review Letters}, year = {2011}, volume = {107}, number = {10}, pages = {107402}, month = sep } @article{SenGupta:2011ca, author = {Sen Gupta, Subhra and Bradley, J A and Haverkort, Maurits W and Seidler, G T and Tanaka, Arata and Sawatzky, George A}, title = {{Coexistence of bound and virtual-bound states in shallow-core to valence x-ray spectroscopies}}, journal = {Physical Review B}, year = {2011}, volume = {84}, number = {7}, pages = {075134}, month = aug } @article{LeTacon:2011ih, author = {Le Tacon, M and Ghiringhelli, Giacomo and Chaloupka, J and Sala, M Moretti and Hinkov, V and Haverkort, Maurits W and Minola, M and Bakr, M and Zhou, K J and Blanco-Canosa, S and Monney, C and Song, Y T and Sun, G L and Lin, C T and De Luca, G M and Salluzzo, M and Khaliullin, Giniyat and Schmitt, T and Braicovich, Lucio and Keimer, B}, title = {{Intense paramagnon excitations in a large family of high-temperature superconductors}}, journal = {Nature Physics}, year = {2011}, volume = {7}, number = {9}, pages = {725--730}, month = jul } @article{Hollmann:2011cm, author = {Hollmann, N and Haverkort, Maurits W and Benomar, M and Cwik, M and Braden, M and Lorenz, Thomas}, title = {{Evidence for a temperature-induced spin-state transition of Co$^{3+}$ in La$_{2-x}$Sr$_{x}$CoO$_{4}$}}, journal = {Physical Review B}, year = {2011}, volume = {83}, number = {17}, pages = {174435}, month = may } @article{Benckiser:2011hc, author = {Benckiser, Eva and Haverkort, Maurits W and Br{\"u}ck, Sebastian and Goering, Eberhard and Macke, Sebastian and Fra{\~n}{\'o}, Alex and Yang, Xiaoping and Andersen, Ole Krogh and Cristiani, Georg and Habermeier, Hanns-Ulrich and Boris, Alexander V and Zegkinoglou, Ioannis and Wochner, Peter and Kim, Heon-Jung and Hinkov, Vladimir and Keimer, Bernhard}, title = {{Orbital reflectometry of oxide heterostructures.}}, journal = {Nature Materials}, year = {2011}, volume = {10}, number = {3}, pages = {189--193}, month = mar } @article{DeLuca:2010iw, author = {De Luca, G M and Ghiringhelli, Giacomo and Moretti Sala, M and Di Matteo, Sergio and Haverkort, Maurits W and Berger, H and Bisogni, V and Cezar, J C and Brookes, Nick B and Salluzzo, M}, title = {{Weak magnetism in insulating and superconducting cuprates}}, journal = {Physical Review B}, year = {2010}, volume = {82}, number = {21}, pages = {214504}, month = dec } @article{Gunnarsson:2010bj, author = {Gunnarsson, Olle and Sangiovanni, Giorgio and Valli, A and Haverkort, Maurits W}, title = {{Fourier transformation and response functions}}, journal = {Physical Review B}, year = {2010}, volume = {82}, number = {23}, pages = {233104}, month = dec } @article{Haverkort:2010db, author = {Haverkort, Maurits W}, title = {{Theory of Resonant Inelastic X-Ray Scattering by Collective Magnetic Excitations}}, journal = {Physical Review Letters}, year = {2010}, volume = {105}, number = {16}, pages = {167404}, month = oct } @article{Gunnarsson:2010jt, author = {Gunnarsson, Olle and Haverkort, Maurits W and Sangiovanni, Giorgio}, title = {{Analytical continuation of imaginary axis data for optical conductivity}}, journal = {Physical Review B}, year = {2010}, volume = {82}, number = {16}, pages = {165125}, month = oct } @article{Haverkort:2010ce, author = {Haverkort, Maurits W and Hollmann, N and Krug, I P and Tanaka, Arata}, title = {{Symmetry analysis of magneto-optical effects: The case of x-ray diffraction and x-ray absorption at the transition metal L$_{2,3}$ edge}}, journal = {Physical Review B}, year = {2010}, volume = {82}, number = {9}, pages = {094403}, month = sep } @article{Haupricht:2010id, author = {Haupricht, T and Sutarto, R and Haverkort, Maurits W and Ott, H and Tanaka, Arata and Hsieh, H H and Lin, H J and Chen, C T and Hu, Zhiwei and Tjeng, Liu Hao}, title = {{Local electronic structure of Fe$^{2+}$ impurities in MgO thin films: Temperature-dependent soft x-ray absorption spectroscopy study}}, journal = {Physical Review B}, year = {2010}, volume = {82}, number = {3}, pages = {035120}, month = jul } @article{Bradley:2010bb, author = {Bradley, J A and Sen Gupta, S and Seidler, G T and Moore, K T and Haverkort, Maurits W and Sawatzky, George A and Conradson, S D and Clark, D L and Kozimor, S A and Boland, K S}, title = {{Probing electronic correlations in actinide materials using multipolar transitions}}, journal = {Physical Review B}, year = {2010}, volume = {81}, number = {19}, pages = {193104}, month = may } @article{Gunnarsson:2010hw, author = {Gunnarsson, Olle and Haverkort, Maurits W and Sangiovanni, Giorgio}, title = {{Analytical continuation of imaginary axis data using maximum entropy}}, journal = {Physical Review B}, year = {2010}, volume = {81}, number = {15}, pages = {155107}, month = apr } @article{Rodolakis:2010il, author = {Rodolakis, F and Hansmann, P and Rueff, J P and Toschi, Alessandro and Haverkort, Maurits W and Sangiovanni, Giorgio and Tanaka, Arata and Saha-Dasgupta, T and Andersen, Ole Krogh and Held, Karsten and Sikora, M and Alliot, I and Iti{\'e}, J P and Baudelet, F and Wzietek, P and Metcalf, P and Marsi, M}, title = {{Inequivalent Routes across the Mott Transition in V$_{2}$O$_{3}$ Explored by X-Ray Absorption}}, journal = {Physical Review Letters}, year = {2010}, volume = {104}, number = {4}, pages = {047401}, month = jan } @article{Rodolakis:2009cm, author = {Rodolakis, F and Hansmann, P and Rueff, J P and Toschi, Alessandro and Haverkort, Maurits W and Sangiovanni, Giorgio and Held, Karsten and Sikora, M and Congeduti, A and Iti{\'e}, J P and Baudelet, F and Metcalf, P and Marsi, M}, title = {{Electronic correlations in V$_{2}$O$_{3}$ studied with \emph{K}-edge x-ray absorption spectroscopy}}, journal = {Journal of Physics: Conference Series}, year = {2009}, volume = {190}, pages = {012092}, month = nov } @article{Gordon:2009kc, author = {Gordon, R A and Haverkort, Maurits W and Gupta, Subhra Sen and Sawatzky, George A}, title = {{Orientation-dependent x-ray Raman scattering from cubic crystals: Natural linear dichroism in MnO and CeO$_{2}$}}, journal = {Journal of Physics: Conference Series}, year = {2009}, volume = {190}, pages = {012047}, month = nov } @article{Altieri:2009fw, author = {Altieri, Salvatore and Finazzi, M and Hsieh, H and Haverkort, Maurits W and Lin, H J and Chen, C T and Frabboni, S and Gazzadi, G and Rota, A and Valeri, S and Tjeng, Liu Hao}, title = {{Image charge screening: A new approach to enhance magnetic ordering temperatures in ultrathin correlated oxide films}}, journal = {Physical Review B}, year = {2009}, volume = {79}, number = {17}, pages = {174431}, month = may } @article{Krug:2008br, author = {Krug, I and Hillebrecht, F and Haverkort, Maurits W and Tanaka, Arata and Tjeng, Liu Hao and Gomonay, H and Fraile-Rodr{\'\i}guez, A and Nolting, F and Cramm, Stefan and Schneider, C}, title = {{Impact of interface orientation on magnetic coupling in highly ordered systems: A case study of the low-indexed Fe$_{3}$O$_{4}$/NiO interfaces}}, journal = {Physical Review B}, year = {2008}, volume = {78}, number = {6}, pages = {064427}, month = aug } @article{Gossling:2008ko, author = {G{\"o}ssling, A and Schmitz, R and Roth, H and Haverkort, Maurits W and Lorenz, Thomas and Mydosh, J and M{\"u}ller-Hartmann, E and Gr{\"u}ninger, M}, title = {{Mott-Hubbard exciton in the optical conductivity of YTiO$_{3}$ and SmTiO$_{3}$}}, journal = {Physical Review B}, year = {2008}, volume = {78}, number = {7}, pages = {075122}, month = aug } @article{Hossain:2008kb, author = {Hossain, M and Hu, Zhiwei and Haverkort, Maurits W and Burnus, T and Chang, C and Klein, S and Denlinger, J and Lin, H J and Chen, C T and Mathieu, R and Kaneko, Y and Tokura, Yoshinori and Satow, S and Yoshida, Yoshiyuki and Takagi, H and Tanaka, Arata and Elfimov, I and Sawatzky, George A and Tjeng, Liu Hao and Damascelli, A}, title = {{Crystal-Field Level Inversion in Lightly Mn-Doped Sr$_{3}$Ru$_{2}$O$_{7}$}}, journal = {Physical Review Letters}, year = {2008}, volume = {101}, number = {1}, pages = {016404}, month = jul } @article{Haverkort:2008fh, author = {Haverkort, Maurits W and Elfimov, I and Tjeng, Liu Hao and Sawatzky, George A and Damascelli, A}, title = {{Strong Spin-Orbit Coupling Effects on the Fermi Surface of Sr$_{2}$RuO$_{4}$ and Sr$_{2}$RhO$_{4}$}}, journal = {Physical Review Letters}, year = {2008}, volume = {101}, number = {2}, pages = {026406}, month = jul } @article{vanVeenendaal:2008kv, author = {van Veenendaal, Michel A and Haverkort, Maurits W}, title = {{Effective operator for \emph{d--d} transitions in nonresonant inelastic x-ray scattering}}, journal = {Physical Review B}, year = {2008}, volume = {77}, number = {22}, pages = {224107}, month = jun } @article{Burnus:2008ec, author = {Burnus, T and Hu, Zhiwei and Hsieh, H and Joly, V and Joy, P and Haverkort, Maurits W and Wu, Hua and Tanaka, Arata and Lin, H J and Chen, C T and Tjeng, Liu Hao}, title = {{Local electronic structure and magnetic properties of LaMn$_{0.5}$Co$_{0.5}$O$_{3}$ studied by x-ray absorption and magnetic circular dichroism spectroscopy}}, journal = {Physical Review B}, year = {2008}, volume = {77}, number = {12}, pages = {125124}, month = mar } @article{Hollmann:2008dz, author = {Hollmann, N and Haverkort, Maurits W and Cwik, M and Benomar, M and Reuther, M and Tanaka, Arata and Lorenz, Thomas}, title = {{Anisotropic susceptibility of La$_{2-x}$Sr$_{x}$CoO$_{4}$ related to the spin states of cobalt}}, journal = {New Journal of Physics}, year = {2008}, volume = {10}, number = {2}, pages = {023018}, month = feb } @article{Hansmann:2008kf, author = {Hansmann, P and Severing, A and Hu, Zhiwei and Haverkort, Maurits W and Chang, C and Klein, S and Tanaka, Arata and Hsieh, H and Lin, H J and Chen, C T and F{\aa}k, B and Lejay, P and Tjeng, Liu Hao}, title = {{Determining the Crystal-Field Ground State in Rare Earth Heavy Fermion Materials Using Soft-X-Ray Absorption Spectroscopy}}, journal = {Physical Review Letters}, year = {2008}, volume = {100}, number = {6}, pages = {066405}, month = feb } @article{Gordon:2007hb, author = {Gordon, R A and Seidler, G T and Fister, T T and Haverkort, Maurits W and Sawatzky, George A and Tanaka, Arata and Sham, T K}, title = {{High multipole transitions in NIXS: Valence and hybridization in \emph{4f} systems}}, journal = {Europhysics Letters}, year = {2008}, volume = {81}, number = {2}, pages = {26004}, month = jan } @article{Gossling:2008cu, author = {G{\"o}ssling, A and Haverkort, Maurits W and Benomar, M and Wu, Hua and Senff, D and M{\"o}ller, T and Braden, M and Mydosh, J and Gr{\"u}ninger, M}, title = {{Mott-Hubbard versus charge-transfer behavior in LaSrMnO$_{4}$ studied via optical conductivity}}, journal = {Physical Review B}, year = {2008}, volume = {77}, number = {3}, pages = {035109}, month = jan } @article{Schlappa:2008br, author = {Schlappa, J and Sch{\"u}{\ss}ler-Langeheine, C and Chang, C F and Ott, H and Tanaka, Arata and Hu, Zhiwei and Haverkort, Maurits W and Schierle, E and Weschke, Eugen and Kaindl, G and Tjeng, Liu Hao}, title = {{Direct Observation of \emph{t}$_{\emph{2g}}$ Orbital Ordering in Magnetite}}, journal = {Physical Review Letters}, year = {2008}, volume = {100}, number = {2}, pages = {026406}, month = jan } @article{Krug:2007dw, author = {Krug, I P and Hillebrecht, F U and Gomonaj, H and Haverkort, Maurits W and Tanaka, Arata and Tjeng, Liu Hao and Schneider, C M}, title = {{Magnetic coupling in highly ordered NiO/Fe$_{3}$O$_{4}$(110): Ultrasharp magnetic interfaces vs. long-range magnetoelastic interactions}}, journal = {Europhysics Letters}, year = {2008}, volume = {81}, number = {1}, pages = {17005}, month = jan } @article{Haverkort:2007bv, author = {Haverkort, Maurits W and Tanaka, Arata and Tjeng, Liu Hao and Sawatzky, George A}, title = {{Nonresonant Inelastic X-Ray Scattering Involving Excitonic Excitations: The Examples of NiO and CoO}}, journal = {Physical Review Letters}, year = {2007}, volume = {99}, number = {25}, pages = {257401}, month = dec } @article{Podlesnyak:2006it, author = {Podlesnyak, A and Streule, S and Mesot, J and Medarde, M and Pomjakushina, E and Conder, K and Tanaka, Arata and Haverkort, Maurits W and Khomskii, D}, title = {{Spin-State Transition in LaCoO$_{3}$: Direct Neutron Spectroscopic Evidence of Excited Magnetic States}}, journal = {Physical Review Letters}, year = {2006}, volume = {97}, number = {24}, pages = {247208}, month = dec } @article{Burnus:2006hr, author = {Burnus, T and Hu, Zhiwei and Haverkort, Maurits W and Cezar, J and Flahaut, D and Hardy, V and Maignan, A and Brookes, Nick and Tanaka, Arata and Hsieh, H and Lin, H J and Chen, C T and Tjeng, Liu Hao}, title = {{Valence, spin, and orbital state of Co ions in one-dimensional Ca$_{3}$Co$_{2}$O$_{6}$: An x-ray absorption and magnetic circular dichroism study}}, journal = {Physical Review B}, year = {2006}, volume = {74}, number = {24}, pages = {245111}, month = dec } @article{Haverkort:2006hj, author = {Haverkort, Maurits W and Hu, Zhiwei and Cezar, J and Burnus, T and Hartmann, H and Reuther, M and Zobel, C and Lorenz, Thomas and Tanaka, Arata and Brookes, Nick and Hsieh, H and Lin, H J and Chen, C T and Tjeng, Liu Hao}, title = {{Spin State Transition in LaCoO$_{3}$ Studied Using Soft X-ray Absorption Spectroscopy and Magnetic Circular Dichroism}}, journal = {Physical Review Letters}, year = {2006}, volume = {97}, number = {17}, pages = {176405}, month = oct } @article{Koethe:2006gy, author = {Koethe, T C and Hu, Zhiwei and Haverkort, Maurits W and Sch{\"u}{\ss}ler-Langeheine, C and Venturini, F and Brookes, Nick B and Tjernberg, O and Reichelt, W and Hsieh, H H and Lin, H J and Chen, C T and Tjeng, Liu Hao}, title = {{Transfer of Spectral Weight and Symmetry across the Metal-Insulator Transition in VO$_{2}$}}, journal = {Physical Review Letters}, year = {2006}, volume = {97}, number = {11}, pages = {116402}, month = sep } @article{Haverkort:2005cr, author = {Haverkort, Maurits W and Hu, Zhiwei and Tanaka, Arata and Reichelt, W and Streltsov, S V and Korotin, M A and Anisimov, V I and Hsieh, H H and Lin, H J and Chen, C T and Khomskii, D I and Tjeng, Liu Hao}, title = {{Orbital-Assisted Metal-Insulator Transition in VO$_{2}$}}, journal = {Physical Review Letters}, year = {2005}, volume = {95}, number = {19}, pages = {196404}, month = nov } @article{Csiszar:2005jc, author = {Csiszar, S and Haverkort, Maurits W and Hu, Zhiwei and Tanaka, Arata and Hsieh, H and Lin, H J and Chen, C T and Hibma, Tjibke and Tjeng, Liu Hao}, title = {{Controlling Orbital Moment and Spin Orientation in CoO Layers by Strain}}, journal = {Physical Review Letters}, year = {2005}, volume = {95}, number = {18}, pages = {187205}, month = oct } @article{Wu:2005cs, author = {Wu, Hua and Haverkort, Maurits W and Hu, Zhiwei and Khomskii, D and Tjeng, Liu Hao}, title = {{Nature of Magnetism in Ca$_{3}$Co$_{2}$O$_{6}$}}, journal = {Physical Review Letters}, year = {2005}, volume = {95}, number = {18}, pages = {186401}, month = oct } @article{Ruckamp:2005gy, author = {R{\"u}ckamp, R and Baier, J and Kriener, M and Haverkort, Maurits W and Lorenz, Thomas and Uhrig, G and Jongen, L and M{\"o}ller, A and Meyer, G and Gr{\"u}ninger, M}, title = {{Zero-Field Incommensurate Spin-Peierls Phase with Interchain Frustration in TiOCl}}, journal = {Physical Review Letters}, year = {2005}, volume = {95}, number = {9}, pages = {097203}, month = aug } @phdthesis{Haverkort:2005un, author = {Haverkort, Maurits W}, title = {{Spin and Orbital Degrees of Freedom in Transition Metal Oxides and Oxide Thin Films Studied by Soft X-ray Absorption Spectroscopy}}, school = {Universit{\"a}t zu K{\"o}ln}, year = {2005}, month = jun } @article{Haverkort:2005gi, author = {Haverkort, Maurits W and Hu, Zhiwei and Tanaka, Arata and Ghiringhelli, Giacomo and Roth, H and Cwik, M and Lorenz, Thomas and Sch{\"u}{\ss}ler-Langeheine, C and Streltsov, S and Mylnikova, A and Anisimov, V I and De Nada{\"\i}, C and Brookes, Nick and Hsieh, H and Lin, H J and Chen, C T and Mizokawa, T and Taguchi, Y and Tokura, Yoshinori and Khomskii, D and Tjeng, Liu Hao}, title = {{Determination of the Orbital Moment and Crystal-Field Splitting in LaTiO$_{3}$}}, journal = {Physical Review Letters}, year = {2005}, volume = {94}, number = {5}, pages = {056401}, month = feb } @article{Ruckamp:2005kz, author = {R{\"u}ckamp, R and Benckiser, E and Haverkort, Maurits W and Roth, H and Lorenz, Thomas and Freimuth, A and Jongen, L and M{\"o}ller, A and Meyer, G and Reutler, P and B{\"u}chner, B and Revcolevschi, A and Cheong, S W and Sekar, C and Krabbes, G and Gr{\"u}ninger, M}, title = {{Optical study of orbital excitations in transition-metal oxides}}, journal = {New Journal of Physics}, year = {2005}, volume = {7}, pages = {144--144}, month = jan } @article{Hu:2004bj, author = {Hu, Zhiwei and Wu, Hua and Haverkort, Maurits W and Hsieh, H and Lin, H and Lorenz, Thomas and Baier, J and Reichl, A and Bonn, I and Felser, C and Tanaka, Arata and Chen, C T and Tjeng, Liu Hao}, title = {{Different Look at the Spin State of Co$^{3+}$ Ions in a CoO$^{5}$ Pyramidal Coordination}}, journal = {Physical Review Letters}, year = {2004}, volume = {92}, number = {20}, pages = {207402}, month = may } @article{Rata:2004kp, author = {Rata, A and Chezan, A and Haverkort, Maurits W and Hsieh, H and Lin, H J and Chen, C T and Tjeng, Liu Hao and Hibma, Tjibke}, title = {{Growth and properties of strained VO$_{x}$ thin films with controlled stoichiometry}}, journal = {Physical Review B}, year = {2004}, volume = {69}, number = {7}, pages = {075404}, month = feb } @article{Haverkort:2004gg, author = {Haverkort, Maurits W and Csiszar, S and Hu, Zhiwei and Altieri, Salvatore and Tanaka, Arata and Hsieh, H and Lin, H J and Chen, C T and Hibma, Tjibke and Tjeng, Liu Hao}, title = {{Magnetic versus crystal-field linear dichroism in NiO thin films}}, journal = {Physical Review B}, year = {2004}, volume = {69}, number = {2}, pages = {020408}, month = jan } </code>