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Articles

2017

S. Kunkemöller, D. Brüning, A. Stunault, A.A. Nugroho, T. Lorenz, M. Braden
Magnetic shape-memory effect in SrRuO$_3$
Submitted , Phys. Rev. Lett., 2017, arXiv:1709.05688, PDF (5064 kB)

2016

S. Holbein, M. Ackermann, L. Chapon, P. Steffens, A. Gukasov, A. Sazonov, O. Breunig, Y. Sanders, P. Becker, L. Bohaty, T. Lorenz, M. Braden
Strong magnetoelastic coupling at the transition from harmonic to anharmonic order in NaFe(WO4)2 with 3d5 configuration
Phys. Rev. B, 94, 104423, 2016, arXiv:1609.01849, PDF (4648 kB)

2015

M. Baum, A.C. Komarek, S. Holbein, M.T. Fernandez-Diaz, G. Andre, A. Hiess, Y. Sidis, P. Steffens, P. Becker, L. Bohaty, M. Braden
Magnetic structure and multiferroic coupling in pyroxene NaFeSi2O6
Phys. Rev. B, 91, 21, 214415, 2015

S. Holbein, P. Steffens, T. Finger, A. C. Komarek, Y. Sidis, P. Link, M. Braden
Field and temperature dependence of electromagnon scattering in TbMnO3 studied by inelastic neutron scattering
Phys. Rev. B, 91, 014432, 2015

F. Waßer, A. Schneidewind, Y. Sidis, S. Wurmehl, S. Aswartham, B. Büchner, M. Braden
Spin reorientation in Ba0.65Na0.35Fe2As2 studied by single-crystal neutron diffraction
Phys. Rev. B, 91, 060505(R), 2015

N. Qureshi, M. Valldor, L. Weber, A. Senyshyn, Y. Sidis, M. Braden
Magnetic spin-flop transition and interlayer spin-wave dispersion in PrCaFeO4 revealed by neutron diffraction and inelastic neutron scattering
Phys. Rev. B, 91, 224402, 2015

J. Stein, M. Baum, S. Holbein, T. Cronert, V. Hutanu, A. C. Komarek, M. Braden
Control of multiferroic domains by external electric fields in TbMnO3
J. Phys.: Condens. Matter, 27, 446001, 2015

S. Kunkemöller, D. Khomskii, P. Steffens, A. Piovano, A. A. Nugroho, M. Braden
Highly Anisotropic Magnon Dispersion in Ca2RuO4: Evidence for Strong Spin Orbit Coupling
Phys. Rev. Lett., 115, 247201, 2015

2014

M. Baum, J. Leist, Th. Finger, K. Schmalzl, A. Hiess, L.P. Regnault, P. Becker, L. Bohaty, G. Eckold, M. Braden
Kinetics of the multiferroic switching in MnWO4
Phys. Rev. B, 89, 14, 144406, 2014

D. Niermann, C. P. Grams, M. Schalenbach, P. Becker, L. Bohatý, J. Stein, M. Braden, J. Hemberger
Domain dynamics in the multiferroic phase of MnWO4
Phys. Rev. B, 89, 13, 134412, 2014, http://link.aps.org/doi/10.1103/PhysRevB.89.134412

N. Qureshi, C. H. Lee, K. Kihou, K. Schmalzl, P. Steffens, M. Braden
Anisotropy of incommensurate magnetic excitations in slightly overdoped Ba0.5K0.5Fe2As2 probed by polarized inelastic neutron scattering experiments
Phys. Rev. B, 90, 100502(R), 2014

S. Kunkemöller, A. A. Nugroho, Y. Sidis, M. Braden
Spin-density-wave ordering in Ca0.5Sr1.5RuO4 studied by neutron scattering
Phys. Rev. B, 89, 045119, 2014

J. Brand, A. Stunault, S. Wurmehl, L. Harnagea, B. Büchner, M. Meven, M. Braden
Spin susceptibility in superconducting LiFeAs studied by polarized neutron diffraction
Phys. Rev. B, 89, 045141, 2014

N. Qureshi, P. Steffens, D. Lamago, Y. Sidis, O. Sobolev, R. A. Ewings, L. Harnagea, S. Wurmehl, B. Büchner, M. Braden
Fine structure of the incommensurate antiferromagnetic fluctuations in single-crystalline LiFeAs studied by inelastic neutron scattering
Phys. Rev. B, 90, 144503, 2014

T. Finger, K. Binder, Y. Sidis, A. Maljuk, D. N. Argyriou, M. Braden
Magnetic order and electromagnon excitations in DyMnO3 studied by neutron scattering experiments
Phys. Rev. B, 90, 224418, 2014

2013

M. Baum, K. Schmalzl, P. Steffens, A. Hiess, L.P. Regnault, . M. Meven, P. Becker, L. Bohaty, M. Braden
Controlling toroidal moments by crossed electric and magnetic fields
Phys. Rev. B, 88, 2, 024414, 2013

A. Shuvaev, V. Dziom, Anna Pimenov, M. Schiebl, A. A. Mukhin, A. C. Komarek, T. Finger, M. Braden, A. Pimenov
Electric Field Control of Terahertz Polarization in a Multiferroic Manganite with Electromagnons
Phys. Rev. Lett., 111, 227201, 2013

N. Qureshi, E. Ressouche, A. A. Mukhin, V. Yu Ivanov, S. N. Barilo, S. V. Shiryaev, V. Skumryev
Stabilization of multiferroic spin cycloid in Ni3V2O8 by light Co doping
Phys. Rev. B, 88, 174412, 2013

C. H. Lee, P. Steffens, N. Qureshi, M. Nakajima, K. Kihou, A. Iyo, H. Eisaki, M. Braden
Universality of the Dispersive Spin-Resonance Mode in Superconducting BaFe2As2
Phys. Rev. Lett., 111, 167002, 2013

J. Reul, L. Fels, N. Qureshi, K. Shportko, M. Braden, M. Grüninger
Temperature-dependent optical conductivity of layered LaSrFeO4
Phys. Rev. B, 87, 205142, 2013, http://prb.aps.org/abstract/PRB/v87/i20/e205142, arXiv:1303.0709, PDF (835 kB)

S. K. Niesen, G. Kolland, M. Seher, O. Breunig, M. Valldor, M. Braden, B. Grenier, T. Lorenz
Magnetic phase diagrams, domain switching and a quantum phase transition of the quasi-1D Ising-like antiferromagnet BaCo2V2O8
Phys. Rev. B, 87, 224413, 2013, arXiv:1303.5599, PDF (3234 kB)

N. Qureshi, H. Ulbrich, Y. Sidis, A. Cousson, M. Braden
Magnetic structure and magnon dispersion in LaSrFeO4
Phys. Rev. B, 87, 054433, 2013

P. Steffens, C. H. Lee, N. Qureshi, K. Kihou, A. Iyo, H. Eisaki, M. Braden
Splitting of Resonance Excitations in Nearly Optimally Doped Ba(Fe0.94Co0.06)2As2: An Inelastic Neutron Scattering Study with Polarization Analysis
Phys. Rev. Lett., 110, 137001, 2013

2012

A C. Komarek, M. Reuther, T. Lorenz, A. Cousson, P. Link, W. Morgenroth, D. Trots, C. Baehtz, M. Braden
Evidence for charge and orbital order in the doped titanates RE(1-x)CaxTiO3 (RE=Y, Er, Lu)
Submitted , Phys. Rev. Lett., 2012, arXiv:1109.0234

H. Ulbrich, M. Braden
Neutron scattering studies on stripe phases in non-cuprate materials
Physica C, 481, 31, 2012, arXiv:1201.2356v1

N. Qureshi, P. Steffens, Y. Drees, A. C. Komarek, D. Lamago, Y. Sidis, L. Harnagea, H.-J. Grafe, S. Wurmehl, B. Büchner, M. Braden
Inelastic Neutron-Scattering Measurements of Incommensurate Magnetic Excitations on Superconducting LiFeAs Single Crystals
Phys. Rev. Lett., 108, 117001, 2012

H. Ulbrich, P. Steffens, D. Lamago, Y. Sidis, M. Braden
Hourglass Dispersion in Overdoped Single-Layered Manganites
Phys. Rev. Lett., 108, 247209, 2012

N. Qureshi, P. Steffens, S. Wurmehl, S. Aswartham, B. Büchner, M. Braden
Local magnetic anisotropy in BaFe2As2: A polarized inelastic neutron scattering study
Phys. Rev. B, 86, 060410(R), 2012

J. Knolle, V. B. Zabolotnyy, I. Eremin, S. V. Borisenko, N. Qureshi, M. Braden, D. V. Evtushinsky, T. K. Kim, A. A. Kordyuk, S. Sykora, Ch. Hess, I. V. Morozov, S. Wurmehl, R. Moessner, B. Büchner
Incommensurate magnetic fluctuations and Fermi surface topology in LiFeAs
Phys. Rev. B, 86, 174519, 2012

W.-D. Stein, J. Liebertz, P. Becker, L. Bohatý, M. Braden
Structural investigations of the tetraborates MB4O7 (M = Pb, Sr, Ba)
Euro. Phys. J. B, 85, 236, 2012

H.-H. Wu, M. Buchholz, C. Trabant, C.F. Chang, A.C. Komarek, F. Heigl, M .v. Zimmermann, M . Cwik, F. Nakamura, M. Braden, C. Schüßler-Langeheine
Charge stripe order near the surface of 12-percent doped La2-xSrxCuO4
Nat. Commun., 3, 1023, 2012

2011

M. Valldor, O. Heyer, A. C. Komarek, A. Senyshyn, M. Braden, T. Lorenz
Magnetostrictive Neel ordering of the spin-5/2 ladder compound BaMn2O3: Distortion-induced lifting of geometrical frustration
Phys. Rev. B, 83, 024418, 2011, arXiv:1010.1183, PDF (897 kB)

N. Hollmann, M. W. Haverkort, M. Benomar, M. Cwik, M. Braden, T. Lorenz
Evidence for a temperature-induced spin-state transition of Co3+ in La2-xSrxCoO4
Phys. Rev. B, 83, 174435, 2011, arXiv:1204.0730, PDF (377 kB)

A. C. Komarek, M. Isobe, J. Hemberger, D. Meier, T. Lorenz, D. Trots, A. Cervellino, M. T. Fernández-Díaz, Y. Ueda, M. Braden
Dimerization and Charge Order in Hollandite K2V8O16
Phys. Rev. Lett., 107, 027201, 2011

H. Ulbrich, F. Krüger, A. A. Nugroho, D. Lamago, Y. Sidis, M. Braden
Spin-wave excitations in the ferromagnetic metallic and in the charge-, orbital-, and spin-ordered states in Nd1−xSrxMnO3 with x≈0.5
Phys. Rev. B, 84, 094453, 2011, http://link.aps.org/doi/10.1103/PhysRevB.84.094453

H. Ulbrich, D. Senff, P. Steffens, O. J. Schumann, Y. Sidis, P. Reutler, A. Revcolevschi, M. Braden
Evidence for Charge Orbital and Spin Stripe Order in an Overdoped Manganite
Phys. Rev. Lett., 106, 157201, 2011, http://link.aps.org/doi/10.1103/PhysRevLett.106.157201

A. C. Komarek, T. Möller, M. Isobe, Y. Drees, H. Ulbrich, M. Azuma, M. T. Fernández-Díaz, A. Senyshyn, M. Hoelzel, G. André, Y. Ueda, M. Grüninger, M. Braden
Magnetic order, transport and infrared optical properties in the ACrO3 system (A = Ca, Sr, and Pb)
Phys. Rev. B, 84, 125114, 2011, http://link.aps.org/doi/10.1103/PhysRevB.84.125114

P. Steffens, O. Friedt, Y. Sidis, P. Link, J. Kulda, K. Schmalzl, S. Nakatsuji, M. Braden
Magnetic excitations in the metallic single-layer ruthenates Ca2-xSrxRuO4 studied by inelastic neutron scattering
Phys. Rev. B, 83, 054429, 2011, http://link.aps.org/doi/10.1103/PhysRevB.83.054429

A.C. Komarek, P. Böni, M. Braden
Parabolic versus elliptic focusing - Optimization of the focusing design of a cold triple-axis neutron spectrometer by Monte-Carlo simulations
Nuclear Instruments and Methods in Physics Research Section A, 647, 63, 2011

Hua Wu, C. F. Chang, O.J. Schumann, Z. Hu, J. C. Cezar, T. Burnus, N. Hollmann, N. B. Brookes, A. Tanaka, M. Braden, L. H. Tjeng, D. I. Khomskii
Orbital order in La0.5Sr1.5MnO4: beyond a common local Jahn-Teller picture
Phys. Rev. B, 84, 155126, 2011, http://link.aps.org/doi/10.1103/PhysRevB.84.155126

2010

T. Finger, D. Senff, K. Schmalzl, W. Schmidt, L. P. Regnault, P. Becker, L. Bohatỳ, M. Braden
Electric-field control of the chiral magnetism of multiferroic MnWO4 as seen via polarized neutron diffraction
Phys. Rev. B, 81, 054430, 2010, http://link.aps.org/doi/10.1103/PhysRevB.81.054430

N. Qureshi, Y. Drees, J. Werner, S. Wurmehl, C. Hess, R. Klingeler, B. Büchner, M. T. Fernández-Díaz, M. Braden
Crystal and magnetic structure of the oxypnictide superconductor LaFeAsO1−xFx: A neutron-diffraction study
Phys. Rev. B, 82, 184521, 2010, http://link.aps.org/doi/10.1103/PhysRevB.82.184521

T. Finger, D. Senff, K. Schmalzl, W. Schmidt, L. P. Regnault, P. Becker, L. Bohatý, M. Braden
Polarized-neutron-scattering studies on the chiral magnetism in multiferroic MnWO4
J. Phys.: Conf. Ser., 211, 012001, 2010

M. Janoschek, P. Böni, M. Braden
Optimization of elliptic neutron guides for triple-axis spectroscopy
Physics Research Section A, 613, 119, 2010

Chul-Ho Lee, K. Kihou, K. Horigane, S. Tsutsui, T. Fukuda, H. Eisaki, A. Iyo, H. Yamaguchi, A.Q. R. Baron, M. Braden, K. Yamada
Effect of K Doping on Phonons in Ba1-xKxFe2As2
J. Phys. Soc. Jpn., 79, 014714, 2010

A. Kondrat, J.E. Hamann-Borrero, N. Leps, M. Kosmala, O.J. Schumann, A. KÄohler, J. Werner, G. Behr, M. Braden, R. Klingeler, B. Büchner C. Hess
Synthesis and physical properties of LaO1-xFxFeAs
Euro. Phys. J. B, 70, 461, 2010

2009

H. Luetkens, H.-H. Klauss, M. Kraken, F. J. Litterst, T. Dellmann, R. Klingeler, C. Hess, R. Khasanov, A. Amato, C. Baines, M. Kosmala, O. J. Schumann, M. Braden, J. Hamann-Borrero, N. Leps, A. Kondrat, G. Behr, J. Werner, B. Büchner
The electronic phase diagram of the LaO1-xFxFeAs superconductor
Nature Mater., 8, 4, 305-309, 2009, http://www.nature.com/nmat/journal/v8/n4/abs/nmat2397.html, arXiv:0806.3533

M. Cwik, M. Benomar, T. Finger, Y. Sidis, D. Senff, M. Reuther, T. Lorenz , M. Braden
Magnetic Correlations in La2-xSrxCoO4 Studied by Neutron Scattering: Possible Evidence for Stripe Phases
Phys. Rev. Lett., 102, 057201, 2009, arXiv:0808.0106, PDF (585 kB)

M. Kriener, M. Braden, H. Kierspel, D. Senff, O. Zabara, C. Zobel, T. Lorenz
Magnetic and structural transitions in La1−xAxCoO3 (A=Ca, Sr, and Ba)
Phys. Rev. B, 79, 224104, 2009, arXiv:0801.4188, PDF (1820 kB)

P. Steffens, S. Price, J. Farrell, A.P. Mackenzie, Y. Sidis, K. Schmalzl, M. Braden and
Incommensurate magnetic ordering in Ti-doped Sr3Ru2O7
Phys. Rev. B, 79, 054422, 2009, http://link.aps.org/doi/10.1103/PhysRevB.79.054422

A.C. Komarek, T. Taetz, M.T. Fernandez-Diaz, D.M. Trots, A. Möller, M. Braden
Strong magnetoelastic coupling in VOCl: Neutron and synchrotron powder x-ray diffraction study
Phys. Rev. B, 79, 104425, 2009, http://link.aps.org/doi/10.1103/PhysRevB.79.104425

N. Aliouane, K. Schmalzl, D. Senff A. Maljuk, K. Prokes, M. Braden, D. N. Argyriou
Flop of Electric Polarization Driven by the Flop of the Mn Spin Cycloid in Multiferroic TbMnO3
Phys. Rev. Lett., 102, 207205, 2009, http://link.aps.org/doi/10.1103/PhysRevLett.102.207205

2008

D. Senff, O. Schumann, M. Benomar, M. Kriener, T. Lorenz, Y. Sidis, K. Habicht, P. Link, M. Braden
Melting of magnetic correlations in charge-orbital ordered La1/2Sr3/2MnO4: competition of ferro and antiferromagnetic states
Phys. Rev. B, 77, 184413, 2008, arXiv:0801.1787, PDF (757 kB)

A. Gössling, M.W. Haverkort, M. Benomar, Hua Wu, D. Senff, T. Möller, M. Braden, J.A. Mydosh, M. Grüninger
Mott-Hubbard versus charge-transfer behavior in LaSrMnO4 studied via optical conductivity
Phys. Rev. B, 77, 03, 035109, 2008, arXiv:0709.3711, PDF (835 kB)

A. C. Komarek, S.V. Streltsov, M. Isobe, T. Möller, M. Hoelzel, A. Senyshyn, D. Trots, M. T. Fernandez-Dıaz, T. Hansen, H. Gotou, T. Yagi, Y. Ueda, V. I. Anisimov, M. Grüninger, D. I. Khomskii, M. Braden
CaCrO3: An Anomalous Antiferromagnetic Metallic Oxide
Phys. Rev. Lett., 101, 167204, 2008, PDF (541 kB)

D. Senff, P. Link, N. Aliouane, D. N. Argyriou, M. Braden
Field dependence of magnetic correlations through the polarization flop transition in multiferroic TbMnO3: evidence for a magnetic memory effect
Phys. Rev. B, 77, 174419, 2008, http://link.aps.org/doi/10.1103/PhysRevB.77.174419

A. Möller, U. Löw, T. Taetz, M. Kriener, G. André, F. Damey, O. Heyer, M. Braden, J.A. Mydosh
Structural domain and finite size effects of the antiferromagnetic S=1/2 honeycomb lattice in InCu2/3V1/3O3
Phys. Rev. B, 78, 024420, 2008, http://link.aps.org/doi/10.1103/PhysRevB.78.024420

D. Senff, N. Aliouane, D. N. Argyriou, A. Hiess, L. P. Regnault, P Link, K. Hradil, Y. Sidis, M Braden
Magnetic excitations in a cycloidal magnet: The magnon spectrum of multiferroic TbMnO3
J. Phys.: Condens. Matter, 20, 434212, 2008

C.H. Lee, A. Iyo, H. Esaki, H. Kito, M.T. Fernandez-Diaz, M. Braden, und K. Yamada
Effect of Structural Parameters on Superconductivity in Fluorine-Free LnFeAsO1-y (Ln=La,Nd)
J. Phys. Soc. Jpn., 77, 083704, 2008

2007

D. Senff, P. Link, K. Hradil, A. Hiess, L.P. Regnault, Y. Sidis, N. Aliouane, D.N. Argyriou, M. Braden
Magnetic Excitations in Multiferroic TbMnO3: Evidence for a Hybridized Soft Mode
Phys. Rev. Lett., 98, 13, 137206, 2007, http://link.aps.org/abstract/PRL/v98/e137206, arXiv.org:cond-mat/0610620

A. C. Komarek, H. Roth, M. Cwik, W.-D. Stein, J. Baier, M. Kriener, F. Bourée, T. Lorenz, M. Braden
Magnetoelastic coupling in RETiO3 (RE = La, Nd, Sm, Gd, Y) investigated with diffraction techniques and thermal expansion measurements
Phys. Rev. B, 75, 224402, 2007, arXiv.org:cond-mat/0701452, PDF (863 kB)

M. Braden, W. Reichardt, Y. Sidis, Z. Mao, Y. Maeno
Lattice dynamics and electron-phonon coupling in Sr2RuO4
Submitted , , 2007, arXiv.org:cond-mat/0702293

J. Baier, P. Steffens, O. Schumann, M. Kriener, S. Stark, H. Hartmann, O. Friedt, A. Revcolevschi, P.G. Radaelli, S. Nakatsuji, Y. Maeno, J.A. Mydosh, T. Lorenz, M. Braden
Magnetoelastic coupling across the metamagnetic transition in Ca2-xSrxRuO4 (0.2 ≤ x ≤ 0.5)
J. Low Temp. Phys., 147, 405, 2007, arXiv:cond-mat/0610769

M. Kriener, M. Braden, D. Senff, O. Zabara, T. Lorenz
Evidence for Multiple Phase Transitions in La1-xCaxCoO3
J. Magn. Magn. Mater., 310, e187, 2007, arXiv:cond-mat/0605721

W.D. Stein, P. Becker, L. Bohaty, M. Braden
Temperature-dependent X-ray and neutron diffraction study of BiB3O6
Zeitschrift für Kristallographie, 222, 680, 2007

M. Hücker, G. D. Gu GD, J.M. Tranquada, M. von Zimmermann, H.-H. Klauss, N.J. Curro, M. Braden, B. Büchner and
Coupling of stripes to lattice distortions in cuprates and nickelates
Physica C, 460, 170, 2007

P. Steffens, Y. Sidis, P. Link, K. Schmalzl, S. Nakatsuji, Y. Maeno, M. Braden
Field-induced paramagnons at the metamagnetic transition in Ca1.8Sr0.2RuO4
Phys. Rev. Lett., 99, 217402, 2007, http://link.aps.org/doi/10.1103/PhysRevLett.99.217402

2006

C. Ulrich, A. Gössling, M. Grüninger, M. Guennou, H. Roth, M. Cwik, T. Lorenz, G. Khaliullin, B. Keimer
Raman Scattering in the Mott Insulators LaTiO3 and YTiO3: Evidence for Orbital Excitations
Phys. Rev. Lett., 97, 157401, 2006, arXiv.org:cond-mat/0503106, PDF (1261 kB)

D.Senff, F.Krüger, S.Scheidl, M.Benomar, Y.Sidis, F.Demmel, M.Braden
Spin-Wave Dispersion in Orbitally Ordered La1/2Sr3/2MnO4
Phys. Rev. Lett., 96, 25, 257201, 2006, arXiv.org:cond-mat/0512305

J. Baier, T. Zabel, M. Kriener, P. Steffens, O. Schumann, O. Friedt, A. Freimuth, A. Revcolevschi, S. Nakatsuji, Y. Maeno, T. Lorenz, M. Braden
Thermodynamic Properties of (Ca,Sr)2RuO4 in Magnetic Fields
Physica B, 378, 497, 2006, arXiv.org:cond-mat/0511220

K. Berggold, T. Lorenz, J. Baier, M. Kriener, D. Senff, S. Barilo, A. Freimuth
Thermal conductivity of R2CuO4, with R = La, Pr and Gd
Physica B, 378, 1064, 2006, arXiv.org:cond-mat/0508154

K. Berggold, T. Lorenz, J. Baier, M. Kriener, D. Senff, H. Roth, A. Severing, H. Hartmann, A. Freimuth, S. Barilo, F. Nakamura
Magnetic heat transport in R2CuO4 (R = La, Pr, Nd, Sm, Eu, and Gd)
Phys. Rev. B, 73, 10, 104430, 2006, arXiv.org:cond-mat/0509414

2005

M. Kriener, P. Steffens, J. Baier, O. Schumann, T. Zabel, T. Lorenz, O. Friedt, R. Mueller, A. Gukasov, P. Radaelli, P. Reutler, A. Revcolevschi, S. Nakatsuji, Y. Maeno, M. Braden
Structural aspects of metamagnetism in Ca2-xSrxRuO4 (0.2 < x < 0.5): field tuning of orbital occupation
Phys. Rev. Lett., 95, 26, 267403, 2005, http://link.aps.org/abstract/PRL/v95/e267403, arXiv.org:cond-mat/0408015

M. Braden, L. Pintschovius, T. Uefuji, K. Yamada
Dispersion of the high-energy phonon modes in Nd1.85Ce0.15CuO4
Phys. Rev. B, 72, 18, 184517, 2005, http://link.aps.org/abstract/PRB/v72/e184517, arXiv.org:cond-mat/0507192

C. Schüßler-Langeheine, J. Schlappa, A. Tanaka, Z. Hu, C. F. Chang, E. Schierle, M. Benomar, H. Ott, E. Weschke, G. Kaindl, O. Friedt, G. A. Sawatzky, H.-J. Lin, C. T. Chen, M. Braden, L. H. Tjeng
Spectroscopy of Stripe Order in La1.8Sr0.2NiO4 Using Resonant Soft X-Ray Diffraction
Phys. Rev. Lett., 95, 15, 156402, 2005, http://link.aps.org/abstract/PRL/v95/e156402, arXiv.org:cond-mat/0502357, PDF (467 kB)

P. Steffens, O. Friedt, P. Alireza, W. G. Marshall, W. Schmidt, F. Nakamura, S. Nakatsuji, Y. Maeno, R. Lengsdorf, M. M. Abd-Elmeguid, M. Braden
High pressure diffraction studies on Ca2RuO4
Phys. Rev. B, 72, 9, 094104, 2005, http://link.aps.org/abstract/PRB/v72/e094104, arXiv.org:cond-mat/0502332

Th. Strässle, S. Klotz, S. Loveday, M. Braden
Equation of state of ordinary ice Ih at 145 K under true hydrostatic pressure up to 5 kbar
J. Phys.: Condens. Matter, 17, 40, 3029, 2005, http://www.iop.org/EJ/abstract/0953-8984/17/40/006

D. Senff, P. Reutler, M. Braden, O. Friedt, D. Bruns, A. Cousson, F. Bouree, M. Merz, B. Buechner, A. Revcolevschi
Crystal and magnetic structure of La1-xSr1+xMnO4: role of the orbital degree of freedom
Phys. Rev. B, 71, 2, 024425, 2005, http://link.aps.org/abstract/PRB/v71/e024425, arXiv.org:cond-mat/0408141

M. Braden, O. Friedt, O. Schumann, J. Baier, P. Steffens, M. Kriener, T. Lorenz, F. Bouree, G. Andre, A. Gukasov, P.G. Radaelli, S. Nakastuji, und Y. Maeno
The phase-diagram of Ca2¡xSrxRuO4 : relation between crystal distortions and and physical properties
Mat. Res. Soc. Symp. Proc., 840, 71, 2005

2004

O. Friedt, P. Steffens, M. Braden, Y. Sidis, S. Nakatsuji, Y. Maeno
Strongly Enhanced Magnetic Fluctuations in a Heavy-mass Layered Ruthenate
Phys. Rev. Lett., 93, 14, 147404, 2004, http://link.aps.org/abstract/PRL/v93/e147404, arXiv.org:cond-mat/0311652

M. Braden, J. Etrillard, A. Gukasov, U. Ammerahl, A. Revcolevschi
Neutron diffraction study of the lattice distortion related to charge ordering in Sr14Cu24O41
Phys. Rev. B, 69, 21, 214426, 2004, http://link.aps.org/abstract/PRB/v69/e214426

M. Braden, P. Steffens, Y. Sidis, J. Kulda, S. Hayden, N. Kikugawa, Y. Maeno
Anisotropy of the incommensurate fluctuations in Sr2RuO4: a study with polarized neutrons
Phys. Rev. Lett., 92, 9, 097402, 2004, http://link.aps.org/abstract/PRL/v92/e097402, arXiv.org:cond-mat/0307662

A. Barla, M. Chefki, C. Huhnt, M. Braden, O. Leupold, R. Rüffer, J. P. Sanchez, A. Mewis, M. M. Abd-Elmeguid
Interplay between structural instability and lattice dynamics in EuRh2(PxAs1-x)2
Phys. Rev. B, 69, 100102(R), 2004

J. Etrillard, M. Braden, A. Gukasov, U. Ammerahl, A. Revcolevschi
Structural aspects of the spin-ladder compound Sr14Cu24O41
Physica C, 403, 290, 2004

H. Wolfram, H. H. Otto, M. Cwik, M. Braden, G. André , F. Bouree, M. Baenitz, F. Steglich
Neutron diffraction study of the nuclear and magnetic structure of the quasi-one-dimensional compound CuSiO3 around TN = 7.9 K
Phys. Rev. B, 69, 144115, 2004, http://link.aps.org/doi/10.1103/PhysRevB.69.144115

T. Strassle, AM. Saitta, S. Klotz, M. Braden and
Phonon dispersion of ice under pressure
Phys. Rev. Lett., 93, 225901, 2004, http://link.aps.org/doi/10.1103/PhysRevLett.93.225901

2003

M. Cwik, T. Lorenz, J. Baier, R. Mueller, G. Andre, F. Bouree, F. Lichtenberg, A. Freimuth, E. Mueller-Hartmann, M. Braden
Crystal and magnetic structure of LaTiO3 : evidence for non-degenerate t2g-orbitals
Phys. Rev. B, 68, 6, 060401, 2003, http://link.aps.org/abstract/PRB/v68/e060401, arXiv.org:cond-mat/0302087, PDF (159 kB)

P. Reutler, O. Friedt, B. BÄuchner, M. Braden und A. Revcolevschi
Growth of La1-xSr1+xMnO4 single crystals and characterization by scattering techniques
J. Cryst. Growth, 249, 222, 2003

M. Braden, O. Friedt, Y. Sidis, P. Bourges. P. Pfeuty, S. Nakatsuji, Y. Maeno, N. Kikugawa, Z. Mao, M. Minakata, Y. Maeno
Magnetic excitations in 214-ruthenates
Physica C, 388, 489, 2003

P. Bourges, Y. Sidis, M. Braden, K. Nakajima, J. Tranquada
High Energy spin dynamics in LaSrNiO4
Phys. Rev. Lett., 90, 147202, 2003, http://link.aps.org/doi/10.1103/PhysRevLett.90.147202

S. Klotz, P. Derollez, R. Fouret, M. Braden, B. Hennion, Ch. Hubert, F. Meducin, J. Lazewski, J. Gonzalez
Anomalous pressure dependence of acoustic phonons of AgGaSe2 investigated by inelastic neutron scattering to 4.3 GPa
Phys. Stat. Sol. B, 235, 331, 2003

2002

M. Braden, W. Reichardt, B. Hennion, G. Dhalenne, A. Revcolevschi
Lattice dynamics of CuGeO3: Inelastic neutron scattering and model calculations
Phys. Rev. B, 66, 21, 214417, 2002, http://link.aps.org/abstract/PRB/v66/e214417, arXiv.org:cond-mat/0205215

M. Braden, Y. Sidis, P. Bourges, P. Pfeuty, J. Kulda, Z. Mao, Y. Maeno
Inelastic neutron scattering study of magnetic excitations in Sr2RuO4
Phys. Rev. B, 66, 6, 064522, 2002, http://link.aps.org/abstract/PRB/v66/e064522, arXiv.org:cond-mat/0206304

M. Braden, O. Friedt, Y. Sidis, P. Bourges, M. Minakata, Y. Maeno
Incommensurate Magnetic Ordering in Sr2Ru1–xTixO4
Phys. Rev. Lett., 88, 19, 197002, 2002, http://link.aps.org/abstract/PRL/v88/e197002, arXiv.org:cond-mat/0107579

A. Möller, B.M. Sobotka, J. Baier, A. Freimuth
Ein Natrium-Oxocobaltat(II)-Sulfat: Na8[CoO3][SO4]2
Z. f. Anorg. u. Allg. Chemie, 628, 2705, 2002

J.M. Tranquada, K. Nakajima, M. Braden, L. Pintschovius, und R.J. McQueene
Bond-Stretching-Phonon Anomalies in Stripe-Ordered La1.69Sr0.31NiO4
Phys. Rev. Lett., 88, 075505, 2002, http://link.aps.org/doi/10.1103/PhysRevLett.88.075505

P. A. Alekseev, J.-M. Mignot, A. Ochiai, E. V. Nefeodova, I. P. Sadikov, E. S. Clementyev, V. N. Lazukov, M. Braden, K. S. Nemkovski
Collective magnetic excitations in mixed-valence Sm0.83Y0.17S
Phys. Rev. B, 65, 153201, 2002, http://link.aps.org/doi/10.1103/PhysRevB.65.153201

N.L. Wang, T. Timusk, J.P. Franck, P. Schweiss, M. Braden und A. Erb
The oxygen isotope effect in the ab-reflectance of underdoped YBa2Cu3O7-d
Phys. Rev. Lett., 89, 087003, 2002, http://link.aps.org/doi/10.1103/PhysRevLett.89.087003

M. Astuto, P. Mang. P. Giura, A. Shukla, P. Ghigna, A. Mirone, M. Braden, M. Greven, M. Krisch und F. Sette
Anomalous Dispersion of Longitudinal Optical Phonons in Na1.86Ce0.14CuO4 determined by inelastic X-ray scattering
Phys. Rev. Lett., 88, 167002, 2002, http://link.aps.org/doi/10.1103/PhysRevLett.88.167002

M. Braden, W. Reichardt, S. Shiryaev, S. Barilo
Giant phonon anomalies in doped BaBiO3 : comparison to cuprates manganates and nickelates
Physica C, 378, 89, 2002

P. Alekseev, J.-M. Mignot, U. Staub, A. Ochiai, A.V. Golubkov, M. Braden, R.I. Brewley, E.V. Nefeodova, I.P. Sadikov, E.S. Clementiev, V.N. Lazukov, K.S. Nemkovsk
f-Electron excitations in the neutron spectra of mixed-valence Sm1−xYxS
Physica B, 312, 333, 2002

O. Friedt, M. Braden, G. Andre, S. Nakatsuji, Y. Maeno
Neutron diffraction study of the crystal structure of Ca1.5Sr0.5RuO4
Appl. Phys. A, 74, 1627, 2002

M. Loewenhaupt, Ulrike Witte, Sirko Kramp, Markus Braden, Pavel Svoboda
Unusual phonon softening in the Kondo lattice CeCu2
Physica B, 312, 181, 2002

P. Derollez, S. Klotz, J. Lazewski, M. Braden, B. Hennion, R. Fouret, J. Conzalez
Pressure dependence of accoustic modes in AgGaSe2
High Pressure Research, 22, 283, 2002

PhD thesis

2013

M. Baum
Neutron-Scattering Studies on Chiral Multiferroics
, PhD thesis, Universität zu Köln, 2013, http://kups.ub.uni-koeln.de/id/eprint/5258

Diploma thesis

2011

S. Holbein
Mikroskopische und makroskopische Untersuchungen an Multiferroika
, Diploma thesis, Universität zu Köln, 2011

A. Bielefeld
Charakterisierung von La2-xSrxNiO4-Einkristallen: Eingrenzung der Streifenkorrelationen
, Diploma thesis, Universität zu Köln, 2011

2010

A. Silex
Mott transition, Ferromagnetism and Metamagnetism in Ruthenates
, Diploma thesis, Universität zu Köln, 2010

Y. Drees
Strukturuntersuchungen mit Röntgen- und Neutronenbeugung an LaO1-xFeAsFx und Li1-dFeAs
, Diploma thesis, Universität zu Köln, 2010

J. Brand
Strukturbestimmungen an Ruthenaten und Na10Mn4O9
, Diploma thesis, Universität zu Köln, 2010

PhD thesis

O.J. Schumann
Structural Investigations on layered Manganates and Ruthenates
, PhD thesis, Universität zu Köln, 2010

Diploma thesis

2009

M. Baum
Magnetische Struktur und Anregungen in Multiferroika
, Diploma thesis, Universität zu Köln, 2009

H. Ulbrich
Strukturelle und dynamische Untersuchungen in 113 und 214-Manganaten
, Diploma thesis, Universität zu Köln, 2009

M. Kosmala
Strukturuntersuchungen am 1111-FeAs-Supraleiter und halb-dotiertem einfach geschichteten Perowskitten
, Diploma thesis, Universität zu Köln, 2009

M. Gottschlich
Strukturbestimmungen an Sr2RhO4, Sr2Ru1-xTixO4, Ti2O3 und V2O3
, Diploma thesis, Universität zu Köln, 2009

PhD thesis

A.C. Komarek
Complex Ordering phenomena in transition-metal oxides and oxyhalides
, PhD thesis, Universität zu Köln, 2009

Bachelor thesis

M. Gellesch
Präparation und Charakterisation von La/SrMnO3-Kristallen
, Bachelor thesis, Universität zu Köln, 2009

Diploma thesis

2008

S. Price
Streuuntersuchungen an komplexen Schichtruthenaten
, Diploma thesis, Universität zu Köln, 2008

2007

T. Finger
Strukturuntersuchungen an Kobaltaten
, Diploma thesis, Universität zu Köln, 2007

PhD thesis

P. Steffens
Magnetism in layered ruthenates
, PhD thesis, Universität zu Köln, 2007

M. Cwik
The interplay of lattice, spin and charge degrees of freedom in layered cobaltates
, PhD thesis, Universität zu Köln, 2007

D. Senff
Neutron scattering studies on magnetic excitations in complex ordered manganites
, PhD thesis, Universität zu Köln, 2007

W.D. Stein
Struktur und Gitterdynamik in azentrischen Boraten
, PhD thesis, Universität zu Köln, 2007

Diploma thesis

2005

M. Haider
Strukturuntersuchungen an La2-xSrxCo1-yRuyO4 und Umbau der XPD Anlagen
, Diploma thesis, Universität zu Köln, 2005

2004

O.J. Schumann
Neutronen- und Röntgenmessungen an Ruthenium-Verbindungen
, Diploma thesis, Universität zu Köln, 2004

T. Taetz
Präparation und Charakterisierung von NaxCoO2
, Diploma thesis, University of cologne, 2004

A. Komarek
Strukturuntersuchungen an Titanaten
, Diploma thesis, Universität zu Köln, 2004

2003

P. Steffens
Struktur und Magnetismus in Ca2-xSrxRuO4
, Diploma thesis, Universität zu Köln, 2003

D. Senff
Magnetische und orbitale Korrelationen in einfach geschichteten Manganaten der Reihe La1-xSr1+xMnO4
, Diploma thesis, Universität zu Köln, 2003

PhD thesis

O. Friedt
Interplay between electronic, magnetic and structural instabilities in Ca2-xSrxRuO4 a neutron scattering study
, PhD thesis, Université Paris, 2003