Spin, charge, and orbitals in transition metal compounds


A. Vasiliev, O. Volkova, I. Presniakov, A. Baranov, G. Demazeau, J.-M. Broto, M. Millot, N. Leps, R. Klingeler, B. Buechner, M.B. Stone, A. Zheludev. Thermodynamic properties and neutron diffraction studies of silver ferrite AgFeO2, Journal of Physics: Condensed Matter 22 (2010) Nr. 1, S. 16007/1-6 URL

M. Yehia, E. Vavilova, A. Moeller, T. Taetz, U. Loew, R. Klingeler, V. Kataev, B. Buechner. Finite-size effects and magnetic order in the spin -1/2 honeycomb-lattice compound InCu2/3V1/3O3, Physical Review B 81 (2010), S. 60414/1-4 URL


N. Wizent, G. Behr, F. Lipps, I. Hellmann, R. Klingeler, V. Kataev, W. Loeser, N. Sato, B. Buechner. Single-crystal growth of LiMnPO4 by the floating-zone method, Journal of Crystal Growth 311 (2009) Nr. 5, S. 1273-1277 URL


K.-Y. Choi, P. Lemmens, D. Heydhausen, G. Guentherodt, C. Baumann, R. Klingeler, P. Reutler, B. Buechner
Anomalous orbital dynamics in LaSrMnO4 observed by Raman spectroscopy, Physical Review B 77 (2008) Nr. 6, S. 64415/1-5 URL

A.N. Vasiliev, O.S. Volkova, L.S. Lobanovskii, I.O. Troyanchuk, Z. Hu, L.H. Tjeng, D.I. Khomskii, H.-J. Lin, C.T. Chen, N. Tristan, F. Kretzschmar, R. Klingeler, B. Buechner. Valence states and metamagnetic phase transition in partially B-site-disordered perovskite EuMn0.5Co0.5O3, Physical Review B 77 (2008) Nr. 10, S. 104442/1-5 URL

J.M. Tranquada, G.D. Gu, M. Huecker, Q. Jie, H.-J. Kang, R. Klingeler, Q. Li, N. Tristan, J.S. Wen, G.Y. Xu, Z.J. Xu, J. Zhou, M. von Zimmermann. Evidence for unusual superconducting correlations coexisting with stripe order in La1.875Ba0.125CuO4, Physical Review B 78 (2008) Nr. 17, S. 174529/1-13 URL


J. Hadermann, A.M. Abakumov, H. D`Hondt, A.S. Kalyuzhnaya, M.G. Rozova, M.M. Markina, M.G. Mikheev, N. Tristan, R. Klingeler, B. Buechner, E.V. Antipov
Synthesis and crystal structure of the Sr2Al1.07Mn0.93O5 brownmillerite, Journal of Materials Chemistry 17 (2007) Nr. 7, S. 692-698

A.M. Abakumov, J. Hadermann, G. Van Tendeloo, M.L. Kovba, Y.Y. Skolis, S.N. Mudretsova, E.V. Antipov, O.S. Volkova, A.N. Vasiliev, N. Tristan, R. Klingeler, B. Buechner
[SrF0.8(OH)0.2]2.526[Mn6O12]: Columnar rock-salt fragments inside the todorokite-type tunnel structure, Chemistry of Materials 19 (2007) Nr. 5, S. 1181-1189 URL

M. Goiran, R. Klingeler, Z.A. Kazei, V.V. Snegirev. Microwave absorption in the singlet paramagnet HoVO4 in high pulsed magnetic fields up to 40 T, Journal of Magnetism and Magnetic Materials 318 (2007) Nr. 1-2, S. 1-7 URL


C. Baumann, G. Allodi, A. Amato, B. Buechner, D. Cattani, R. De Renzi, R. Klingeler, P. Reutler, A. Revcolevschi
Anisotropic magnetic moments in LaSrMnO4, Physica B 374-375 (2006), S. 83-86 URL

R. Klingeler, J. Geck, S. Arumugam, N. Tristan, P. Reutler, B. Buechner, L. Pinsard-Gaudart, A. Revcolevschi
Pressure-induced melting of the orbital polaron lattice in La1xSrxMnO3, Physical Review B 73 (2006) Nr. 21, S. 214432/1-5 URL

K. Kuepper, R. Klingeler, P. Reutler, B. Buechner, M. Neumann
Electronic structure of LaSrMnO4: X-ray photoelectron spectroscopy and x-ray emission spectroscopy studies, Journal of Applied Physics 99 (2006) Nr. 8, S. 8Q308/1-3 URL

M. Huecker, M.v. Zimmermann, R. Klingeler, S. Kiele, J. Geck, S.N. Bakehe, J.Z. Zhang, J.P. Hill, A. Revcolevschi, D.J. Buttrey, B. Buechner, J.M. Tranquada
Unidirectional diagonal order and three-dimensional stacking of charge stripes in orthorhombic Pr1.67Sr0.33NiO4 and Nd1.67Sr0.33NiO4, Physical Review B 74 (2006) Nr. 8, S. 85112/1-12 URL

K. Kuepper, R. Klingeler, P. Reutler, B. Buechner, M. Neumann. Excited and ground state properties of LaSrMnO4: A combined x-ray spectroscopic study, Physical Review B 74 (2006) Nr. 11, S. 115103/1-7 URL


K. Doerr, K.-H. Mueller, N. Kozlova, P. Reutler, R. Klingeler, B. Buechner, L. Schultz
Field dependence of colossal magnetoresistance in magnetic fields up to 50 T, Journal of Magnetism and Magnetic Materials 290-291 (2005) Nr. Part 1, S. 416-419 URL

J. Geck, P. Wochner, S. Kiele, R. Klingeler, A. Revcolevschi, M. von Zimmermann, B. Buechner
Correlated magnetism in low-doped manganites, Journal of Magnetism and Magnetic Materials 290-291 (2005) Nr. Part 2, S. 940-943 URL

R. Klingeler, D. Bruns, C. Baumann, P. Reutler, A. Revcolevschi, B. Buechner
Temperature driven orbital redistribution in La1-xSr1+xMnO4, Journal of Magnetism and Magnetic Materials 290-291 (2005) Nr. Part 2, S. 944-947 URL

R. Klingeler, B. Buechner, S.-W. Cheong, M. Huecker
Weak ferromagnetic spin and charge stripe order in La5/3Sr1/3NiO4, Physical Review B 72 (2005) Nr. 10, S. 104424/1-9 URL

J. Geck, P. Wochner, S. Kiele, R. Klingeler, P. Reutler, A. Revcolevschi, M. von Zimmermann, B. Buechner. Orbital polaron lattice formation in lightly doped La1-xSrxMnO3, Physical Review Letters 95 (2005) Nr. 23, S. 236401/1-4 URL


J. Geck, P. Wochner, S. Kiele, R. Klingeler, A. Revcolevschi, M. von Zimmermann, B. Buechner, P. Reutler. Orbital order induced ferromagnetic insulating properties, New Journal of Physics 6 (2004), S. 152/1-27 URL


R. Klingeler. Spins und Ladungen in Übergangsmetalloxiden: Thermodynamische und magnetische Untersuchungen. Dissertation, RWTH Aachen. (2003)


R. Klingeler, J. Geck, R. Gross, L. Pinsard-Gaudart, A. Revcolevschi, and B. Buechner
Magnetism and the charge ordering transition in lightly doped La1-xSrxMnO3
Phys. Rev. B , 65(174404). (2002)

J. Geck, D. Bruns, C. Hess, R. Klingeler, P. Reutler, M. v. Zimmermann, S. Cheong, and B. Buechner
Anisotropic CE-type orbital correlations in the ferromagnetic metallic phase of Nd1/2Sr1/2MnO3
Phys. Rev. B, 66(184407). (2002)


V. Ravindranath, M. Ramachandra Rao, G. Rangarajan, Y. Lu, J. Klein, R. Klingeler, S. Uhlenbruck, B. Buechner, and R. Gross
Magnetotransport studies and mechanism of Ho- and Y-doped La0.7Ca0.3MnO3
Phys. Rev. B, 63(184434). (2001)

J. Geck, B. Buechner, M. Huecker, R. Klingeler, R. Gross, L. Pinsard-Gaudart, and A. Revcolevschi
Evidence for canted antiferromagnetism in lightly doped La1-xSrMnO3
Phys. Rev. B , 64(144430). (2001)


R. Klingeler, B. Büchner, J. Geck, R. Gross, R. Kessler, T. Niemöller, L. Pinsard, A. Revcolevschi, and S. Uhlenbruck. Entropy, Magnetization and Structure of lightly doped La1-xSrxMnO3. Bulletin of the Stefan University, 11:365. (1999)

S. Uhlenbruck, R. Teipen, R. Klingeler, B. Buechner, O. Friedt, M. Huecker, H. Kierspel, T. Niemöller, L. Pinsard, A. Revcolevschi, and R. GrossInterplay between Charge Order, Magnetism and Structure in La0.875Sr0.125MnO3. Phys. Rev. Lett. , 82 (1999)

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