Prof. Dr. Jürgen Schnack Universität Bielefeld
Fakultät für Physik
D-33501 Bielefeld

 
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2017

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F. Gayk, J. Ehrens, T. Heitmann, P. Vorndamme, A. Mrugalla, J. Schnack, Young's moduli of carbon materials investigated by various classical molecular dynamics schemes,
submitted (2017)

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C. Beckmann, J. Schnack, Investigation of thermalization in giant-spin models by different Lindblad schemes,
J. Magn. Magn. Mater. 437 (2017) 7-11

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Jürgen Schnack, Magnetismus im Molekülmaßstab,
Physik-Journal 04 (2017) 37

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Nuno A.G. Bandeira, Omid Sadeghi, Toby J. Woods, Yuan-Zhu Zhang, Jürgen Schnack, Kim R. Dunbar, May Nyman, Carles Bo, A magneto-structural analysis of Fe(III) Keggin polyoxometalates,
J. Phys. Chem. A 121 (2017) 1310
 
2016

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Thomas N. Hooper, Ross Inglis, Giulia Lorusso, Jakub Ujma, Perdita E. Barran, Dusan Uhrin, Jürgen Schnack, Stergios Piligkos, Marco Evangelisti, Euan K. Brechin, The structurally flexible and solution stable [Ln4TM8(OH)8(L)8(O2CR)8(MeOH)y](ClO4)4: a playground for magnetic refrigeration,
Inorg. Chem. 55 (2016) 10535

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Yan-Zhen Zheng, Guo-Jun Zhou, Johannes Richter, Jürgen Schnack, Hydrophobicity-Driven Self-Assembly of an Eighteen-Membered Honeycomb Lattice with Almost Classical Spins,
Chem. Eur. J. 22 (2016) 14846–14850

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Eufemio Moreno Pineda, Giulia Lorusso, Karzan Zangana, Elias Palacios, Jürgen Schnack, Marco Evangelisti, Richard E. P. Winpenny, Eric J L McInnes, Observation of the Influence of Dipolar and Spin Frustration Effects on the Magnetocaloric Properties of a Trigonal Prismatic {Gd7} Molecular Nanomagnet,
Chem. Sci. 7 (2016) 4891-4895

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N.B. Ivanov, S.I. Petrova, J. Schnack, Alternating-spin S=3/2 and sigma=1/2 Heisenberg chain with three-body exchange interactions,
Eur. Phys. J. B 89 (2016) 121

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J. Schnack, Influence of intermolecular interactions on magnetic observables,
Phys. Rev. B 93 (2016) 054421

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Maria Palacios, Eufemio Pineda, Sergio Sanz, Ross Inglis, Mateusz Pitak, Simon Coles, Marco Evangelisti, Hiroyuki Nojiri, Christian Heesing, Euan Brechin, Jürgen Schnack, Richard Winpenny, Copper Keplerates: High Symmetry Magnetic Molecules,
ChemPhysChem 17 (2016) 55-60
 
2015

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Naushad Ahmed, Apoorva Upadhyay, Thayalan Rajeshkumar, Shefali Vaidya, Jürgen Schnack, Gopalan Rajaraman, Maheswaran Shanmugam, Carboxylate free μ-oxo bridged ferric wheel with a record exchange coupling,
Dalton Trans. 44 (2015) 18743

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O. Hanebaum, J. Schnack, Thermodynamic observables of Mn12-acetate calculated for the full spin-Hamiltonian,
Phys. Rev. B 92 (2015) 064424

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Eufemio Moreno Pineda, Christian Heesing, Floriana Tuna, Yan-Zhen Zheng, Eric J. L. McInnes, Jürgen Schnack, Richard E. P. Winpenny, Copper Lanthanide Phosphonate Cages: Highly Symmetric {Cu3Ln9P6} and {Cu6Ln6P6} Clusters with C3v and D3h Symmetry,
Inorg. Chem. 54 (2015) 6331–6337

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J. Schnack, Below 1 K: Cooling with magnetic molecules,
G.I.T. Laboratory Journal 3-4 (2015) 12-13

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T. Glaser, V. Hoeke, K. Gieb, J. Schnack, Chr. Schröder, P. Müller, Quantum Tunneling of the Magnetization in [MnIII6M]3+ (M = CrIII, MnIII) SMMs: Impact of the Molecular and Crystal Structure,
Coord. Chem. Rev. 289-290 (2015) 261-278
 
2014

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N.B. Ivanov, J. Schnack, Unconventional phases of the alternating-spin Heisenberg chain with extra three-body exchange terms,
J. Phys.: Conf. Ser. 558 (2014) 012015

J.W. Sharples, D. Collison, E.J.L. McInnes, J. Schnack, E. Palacios, M. Evangelisti, Quantum signatures of a molecular nanomagnet in direct magnetocaloric measurements,
Nature Communications 5 (2014) 5321

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N.B. Ivanov, J. Ummethum, J. Schnack, Phase diagram of the alternating-spin Heisenberg chain with extra isotropic three-body exchange interactions,
Eur. Phys. J. B 87 (2014) 226

J. Schnack, Modern Computer Algebra and a Lot More,
Computing in Science & Engineering 16 (2014) 4-5

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O. Hanebaum, J. Schnack, Advanced Finite-Temperature Lanczos Method for anisotropic spin systems,
Eur. Phys. J. B 87 (2014) 194

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E. Garlatti, S. Carretta, J. Schnack, G. Amoretti and P. Santini, Response to 'Comment on "Theoretical design of molecular nanomagnets for magnetic refrigeration"',
Appl. Phys. Lett. 105 (2014) 046101

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A. Mrugalla, J. Schnack, Classical molecular dynamics investigations of biphenyl-based carbon nano membranes,
Beilstein J. of Nanotechnology 5 (2014) 865-871

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Jamie Frost, Sergio Sanz, Thayalan Rajeshkumar, Mateusz Pitak, Simon Coles, Gopalan Rajaraman, Wolfgang Wernsdorfer, Juergen Schnack, Paul Lusby, Euan Kenneth Brechin, A Truncated [MnIII12] Tetrahedron from Oxime-based [MnIII3O] Building Blocks,
Dalton Trans. 43 (2014) 10690-10694

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Chandan Mukherjee, V. Hoeke, A. Stammler, H. Bögge, J. Schnack, T. Glaser, Switching from Antiferromagnetic to Ferromagnetic Coupling in Heptanuclear [Mt6Mc]n+ Complexes by Going from an Achiral to a Chiral Triplesalen Ligand,
Dalton Trans. 43 (2014) 9690-9703

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J. Schnack, Leserbrief Grundlegendes Problem,
Forschung & Lehre 4 (2014) 298

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Eufemio Moreno Pineda, Floriana Tuna, Yan-Zhen Zheng, Simon J. Teat, Richard E. P. Winpenny, Jürgen Schnack, and Eric J. L. McInnes, Iron Lanthanide Phosphonate Clusters: {Fe6Ln6P6} Wells-Dawson-like Structures with D3d Symmetry,
Inorg. Chem. 53 (2014) 3032-3038

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Sergio Sanz, Jamie M. Frost, Thayalan Rajeshkumar, Scott J. Dalgarno, Gopalan Rajaraman, Wolfgang Wernsdorfer, Jürgen Schnack, Paul. J. Lusby, Euan K. Brechin, Combining Complementary Ligands into one Framework for the Construction of a Ferromagnetically Coupled [MnIII12] Wheel,
Chem. Eur. J. 20 (2014) 3010-3013

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Karzan H. Zangana, Eufemio Moreno Pineda, Eric J. L. McInnes, Jürgen Schnack, Richard E. P. Winpenny, Centred nine-metal rings of lanthanides,
Chem. Commun. 50 2014, 1438-1440

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V. Hoeke, A. Stammler, H. Bögge, J. Schnack, T. Glaser, Strong and Anisotropic Superexchange in the Single-Molecule Magnet (SMM) [MnIII6OsIII]3+: Promoting SMM Behavior through 3d-5d Transition Metal Substitution,
Inorg. Chem. 53 (2014) 257
 
2013

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H.-T. Langwald, J. Schnack, Magnetization curves of deposited finite spin chains,
Phys. Rev. B (2013) submitted

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J. Schnack, A.M. Todea, A. Müller, H. Nojiri, S. Yeninas, Y. Furukawa, R. Prozorov, M. Luban, Exchange randomness and spin dynamics in the frustrated magnetic Keplerate {W72V30},
Phys. Rev. B (2013) submitted

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A. Merca, J. Schnack, J. van Slageren, T. Glaser, H. Bögge, V. Hoeke, M. Läge, A. Müller, B. Krebs, Systematic Study of the Interaction Between VIV Centres and LnIII Ions in Well Defined {VIV2LnIII}{AsIIIW9O33}2 Sandwich-Type Clusters: Part 2,
Journal of Cluster Science 24 (2013) 979

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E. Garlatti, S. Carretta, J. Schnack, G. Amoretti and P. Santini, Theoretical design of molecular nanomagnets for magnetic refrigeration,
Appl. Phys. Lett. 103 (2013) 202410

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J. Schnack, J. Ummethum, Advanced quantum methods for the largest magnetic molecules,
Polyhedron 66 (2013) 28-33

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Ian Casson, Christopher A. Muryn, Floriana Tuna, Jürgen Schnack, Richard E.P. Winpenny, An {Fe16} barrel: synthesis, structural and magnetic characterisation of an {Fe8} ring and its dimer,
Polyhedron 64 (2013) 59-62

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Karzan H. Zangana, Eufemio Moreno Pineda, Jürgen Schnack, Richard E. P. Winpenny, Octametallic 4f-phosphonate horseshoes,
Dalton Trans. 42 (2013) 14045-14048

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Veronika Hoeke, Erich Krickemeyer, Maik Heidemeier, Hubert Theil, Anja Stammler, Hartmut Bögge, Thomas Weyhermüller, Jürgen Schnack, Thorsten Glaser, A Comprehensive Study on Triplesalen-Based [MnIII6FeIII]3+ and [MnIII6FeII]2+ Complexes: Redox-Induced Variation of Molecular Magnetic Properties,
Eur. J. Inorg. Chem. (2013) 4398-4409

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M. Höck, J. Schnack, Numerical Renormalization Group calculations of the magnetization of isotropic and anisotropic Kondo impurities,
Phys. Rev. B 87 (2013) 184408

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J. Schnack, C. Heesing, Application of the finite-temperature Lanczos method for the evaluation of magnetocaloric properties of large magnetic molecules,
Eur. Phys. J. B 86 (2013) 46

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Yong Zheng, Qian-Chong Zhang, La-Sheng Long, Rong-Bin Huang, Achim Müller, Jürgen Schnack, Lan-Sun Zheng and Zhiping Zheng Molybdate templated assembly of Ln12Mo4-type clusters (Ln = Sm, Eu, Gd) containing a truncated tetrahedron core,
Chem. Commun. 49 (2013) 36-38

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J. Ummethum, J. Schnack, A.M. Laeuchli, Large-scale numerical investigations of the antiferromagnetic Heisenberg icosidodecahedron,
J. Magn. Magn. Mater. 327 (2013) 103-109
 
2012

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Veronika Hoeke, Maik Heidemeier, Erich Krickemeyer, Anja Stammler, Hartmut Bögge, Jürgen Schnack, Andrei Postnikov, Thorsten Glaser, Environmental Influence on the Single-Molecule Magnet Behavior of [MnIII6CrIII]3+: Molecular Symmetry versus Solid-State Effects,
Inorg. Chem. 51 (2012) 10929-10954

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Veronika Hoeke, Maik Heidemeier, Erich Krickemeyer, Anja Stammler, Hartmut Bögge, Jürgen Schnack, Thorsten Glaser, Structural influences on the exchange coupling and zero-field splitting in the single-molecule magnet [MnIII6MnIII]3+,
Dalton. Trans. 41 (2012) 12942-12959

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J. Ummethum, J. Nehrkorn, S. Mukherjee, N. B. Ivanov, S. Stuiber, Th. Strässle, P. L. W. Tregenna-Piggott, H. Mutka, G. Christou, O. Waldmann, J. Schnack, Discrete antiferromagnetic spin-wave excitations in the giant ferric wheel Fe18,
Phys. Rev. B 86 (2012) 104403

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Veronika Hoeke, Klaus Gieb, Paul Müller, Liviu Ungur, Liviu F. Chibotaru, Maik Heidemeier, Erich Krickemeyer, Anja Stammler, Hartmut Bögge, Christian Schröder, Jürgen Schnack, Thorsten Glaser, Hysteresis in the ground and excited spin state up to 10 T of a [MnIII6MnIII]3+ triplesalen single-molecule magnet,
Chem. Sci. 3 (2012) 2868

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Thomas N. Hooper, Jürgen Schnack, Stergios Piligkos, Marco Evangelisti, Euan K. Brechin, The Importance of Being Exchanged: [GdIII4MII8(OH)8(L)8(O2CR)8]4+ Clusters for Magnetic Refrigeration,
Angew. Chem. Int. Ed. 51 (2012) 4633-4636

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Yugo Oshima, Hiroyuki Nojiri, Jürgen Schnack, Paul Kögerler, Marshall Luban, Determination of exchange energies in the sawtooth spin ring {Mo75V20} by ESR,
Phys. Rev. B 85 (2012) 024413
 
2011

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J.Schnack,
Theoretical Treatment of Magnetic Molecules,
InSide, Vol. 9, No. 2 (2011) 22-25

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K. Graham, F.J. Douglas, J.S. Mathieson, S.A. Moggach, J.Schnack, M. Murrie,
Cubic assembly of a geometrically frustrated {Fe12} spin cluster,
Dalton Trans. 40 (2011) 12271-12276

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M. Haertel, J. Richter, D. Ihle, J. Schnack, S.-L. Drechsler, Thermodynamics of the one-dimensional frustrated Heisenberg ferromagnet with arbitrary spin,
Phys. Rev. B 84 (2011) 104411

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K. Mason, J. Chang, E. Garlatti, A. Prescimone, S. Yoshii, H. Nojiri, J. Schnack, P. A. Tasker, S. Carretta and E. K. Brechin, Linking [FeIII3] triangles with "double-headed" phenolic oximes,
Chem. Commun. 47 (2011) 6018-6020
 
2010

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J. Schnack, Quasi-exact evaluation of the magnetic properties of a giant Keplerate molecule,

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J. Schnack, O. Wendland, Properties of highly frustrated magnetic molecules studied by the finite-temperature Lanczos method,
Eur. Phys. J. B 78 (2010) 535-541

J. Schnack, R. Schnalle, in High Performance Computing in Science and Engeniering, Garching/Munich 2009, edited by S. Wagner, M. Steinmetz, A. Bode, and M. M. Müller (Springer, Heidelberg, 2010), Chap. Evaluation of Magnetic Spectra Using the Irreducible Tensor Operator Approach, pp. 575-588.

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N.B. Ivanov, J. Schnack, R. Schnalle, J. Richter, P. Kögerler, G.N. Newton, L. Cronin, Y. Oshima, Hiroyuki Nojiri, Heat capacity reveals the physics of a frustrated spin tube,
Phys. Rev. Lett. 105 (2010) 037206

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R. Schnalle, J. Schnack, Calculating the energy spectra of magnetic molecules: application of real- and spin-space symmetries,
Int. Rev. Phys. Chem. 29 (2010) 403-452

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J. Schnack, Effects of frustration on magnetic molecules: a survey from Olivier Kahn until today,
Dalton Trans. 39 (2010) 4677 - 4686

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Erich Krickemeyer, Veronika Hoeke, Anja Stammler, Hartmut Bögge, Jürgen Schnack, and Thorsten Glaser, Synthesis and Characterization of the Heptanuclear Triplesalen Complex [MnIII6CoIII]3+: Evidence for Exchange Pathways Involving CoIII l.s.,
Z. Naturforsch. 65b (2010) 295-303

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J. Nehrkorn, M. Höck, M. Brüger, H. Mutka, J. Schnack, and O. Waldmann, Inelastic neutron scattering study and Hubbard model description of the antiferromagnetic tetrahedral molecule Ni4Mo12,
Eur. Phys. J. B 73 (2010) 515-526

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Manuel Prinz, Karsten Kuepper, Christian Taubitz, Michael Raekers, Sumit Khanra, Biplab Biswas, Thomas Weyhermüller, Marc Uhlarz, Joachim Wosnitza, Jürgen Schnack, Andrei V. Postnikov, Christian Schröder, Simon J. George, Manfred Neumann, and Phalguni Chaudhuri, A Star-shaped Heteronuclear CrIIIMnII3 Species and Its Precise Electronic and Magnetic Structure: Spin Frustration Studied by X-ray Spectroscopic, Magnetic and Theoretical Methods,
Inorg. Chem. 49 (2010) 2093-2102

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Thorsten Glaser, Maik Heidemeier, Hubert Theil, Anja Stammler, Hartmut Bögge and Jürgen Schnack, A MnIII triplesalen-based 1D pearl necklace: exchange interactions and zero-field splittings in a C3-symmetric MnIII6 complex,
Dalton Trans. 39 (2010) 192-199
 
2009

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Ian S. Tidmarsh, Luke J. Batchelor, Emma Scales, Rebecca H. Laye, Lorenzo Sorace, Andrea Caneschi, Jürgen Schnack and Eric J. L. McInnes, Tri-, tetra- and octa-metallic vanadium(III) clusters from new, simple starting materials: interplay of exchange and anisotropy effects,
Dalton Trans. (2009) 9402-9409

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R. Schnalle, A. Läuchli, J. Schnack, Approximate eigenvalue determination of geometrically frustrated magnetic molecules,
Condens. Matter Phys. 12 (2009) 331-342

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J. Schnack, Magnetic response of magnetic molecules with non-collinear local d-tensors,
Condens. Matter Phys. 12 (2009) 323-330

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U. Kortz, A. Müller, J. van Slageren, J. Schnack, N.S. Dalal, M. Dressel, Polyoxometalates: Fascinating structures, unique magnetic properties,
Coord. Chem. Rev. 253 (2009) 2315-2327

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J. Schnack, R. Schnalle, Frustration effects in antiferromagnetic molecules: the cuboctahedron,
Polyhedron 28 (2009) 1620-1623

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R. Schnalle, J. Schnack, Numerically exact and approximate determination of energy eigenvalues for antiferromagnetic molecules using irreducible tensor operators and general point-group symmetries,
Phys. Rev. B 79 (2009) 104419

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T. Glaser, M. Heidemeier, E. Krickemeyer, H. Bögge, A. Stammler, R. Fröhlich, E. Bill, J. Schnack, Exchange Interactions and Zero-Field Splittings in C3-Symmetric MnIII6FeIII: Using Molecular Recognition for the Construction of a Series of High Spin Complexes Based on the Triplesalen Ligand,
Inorg. Chem. 48 (2009) 607-620
 
2008

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R. Schnalle, J. Schnack, Optimized perturbation theory for molecular antiferromagnets,

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K. Bärwinkel, J. Schnack, Van Der Waals Revisited,
Physica A 387 (2008) 4581-4588

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J. Schnack, P. Hage, H.-J. Schmidt, Efficient implementation of the Lanczos method for magnetic systems,
J. Comput. Phys. 227 (2008) 4512-4517
 
2007

F. Ouchni, J. Schnack, J. Schulenburg, Exact diagonalization of a one-dimensional Hubbard model at density rho=0.4: Effects of Coulomb repulsions and distant transfer,
Phys. Rev. B 76 (2007) 195106

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J. Schnack, R. Schmidt, J. Richter, Enhanced magnetocaloric effect in frustrated magnetic molecules with icosahedral symmetry,
Phys. Rev. B 76 (2007) 054413

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J. Schnack, R. Klingeler, V. Kataev, B. Büchner, Revisiting and modeling the magnetism of hole-doped CuO2 spin chains in Sr14-xCaxCu24O41,
J. Magn. Magn. Mater. 310 (2007) e397-e399

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J. Schnack, Frustration-induced exotic properties of magnetic molecules,
C. R. Chimie 10 (2007) 15-20

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S. Torbrügge, J. Schnack, Sampling the two-dimensional density of states g(E,M) of a giant magnetic molecule using the Wang-Landau method,
Phys. Rev. B 75 (2007) 054403
 
2006

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J. Schnack, H.-J. Schmidt, A. Honecker, J. Schulenburg, and J. Richter, Exact eigenstates of highly frustrated spin lattices probed in high fields,
J. Phys. Confer. Ser. 51 (2006) 43

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J. Schnack, Frustration effects in magnetic molecules,
J. Low. Temp. Phys. 142 (2006) 279-284

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J. Schnack, P. Shchelokovskyy, Solitary waves on finite-size antiferromagnetic quantum Heisenberg spin rings,
J. Magn. Magn. Mater. 306 (2006) 79-84

M. Prinz, A. Takacs, J. Schnack, I. Balasz, E. Burzo, U. Kortz, K. Kuepper, M. Neumann, Magnetic and electronic properties of transition metal substituted, dimeric polyoxotungstates,
J. Appl. Phys. 99 (2006) 08J505

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M. Allalen, J. Schnack, Theoretical estimates for proton-NMR spin-lattice relaxation rates of heterometallic spin rings,
J. Magn. Magn. Mater. 302 (2006) 206-210

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J. Schnack, M. Brüger, M. Luban, P. Kögerler, E. Morosan, R. Fuchs, R. Modler, Hiroyuki Nojiri, Ram C. Rai, Jinbo Cao, J.L. Musfeldt, Xing Wei, Observation of field-dependent magnetic parameters in the magnetic molecule {Ni4Mo12}
Phys. Rev. B 73 (2006) 094401

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R. Klingeler, B. Büchner, K.-Y. Choi, V. Kataev, U. Ammerahl, A. Revcolevschi, J. Schnack, Magnetism of hole-doped CuO2 spin chains in Sr14Cu24O41: Experimental and numerical results,
Phys. Rev. B 73 (2006) 014426

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V. O. Garlea, S. E. Nagler, J. L. Zarestky, C. Stassis, D. Vaknin, P. Kögerler, D. F. McMorrow, C. Niedermayer, D. A. Tennant, B. Lake, Y. Qiu, M. Exler, J. Schnack, M. Luban, Probing spin frustration in high-symmetry magnetic nanomolecules by inelastic neutron scattering,
Phys. Rev. B 73 (2006) 024414
 
2005

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C. Schröder, H.-J. Schmidt, J. Schnack, and M. Luban, Metamagnetic phase transition of the antiferromagnetic Heisenberg icosahedron,
Phys. Rev. Lett. 94 (2005) 207203

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J. Schnack, Strong Coulomb effects in hole-doped Heisenberg chains,
Eur. Phys. J. B 45 (2005) 311-315

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J. Schnack, Quantum Theory of Molecular Magnetism,
in Magnetism goes Nano, Eds. Stefan Blügel, Thomas Brückel, Claus M. Schneider, Lecture Manuscripts of the 36th Spring School of the Institute of Solid State Research, Jülich, 2005, ISBN 3-89336-381-5.

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R. Schmidt, J. Richter, J. Schnack, Frustration effects in magnetic molecules,
J. Magn. Magn. Mater. 295 (2005) 164-167

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J. Schnack, F. Ouchni, Exact diagonalization studies of doped Heisenberg spin rings,
J. Magn. Magn. Mater. 290-291 (2005) 341-344

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C. Schröder, H. Nojiri, J. Schnack, P. Hage, M. Luban, P. Kögerler, Competing Spin Phases in Geometrically Frustrated Magnetic Molecules,
Phys. Rev. Lett. 94 (2005) 017205

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A. Postnikov, M. Brüger, J. Schnack, Exchange interactions and magnetic anisotropy in the "Ni_4" magnetic molecule,
Phase Transitions 78 (2005) 47-59
 
2004

J. Schnack, Molecular Magnetism,
in Lecture Notes in Physics 645, Springer, Berlin, Heidelberg (2004) 155-194

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J. Schnack, Hiroyuki Nojiri, P. Kögerler, Geoffrey J. T. Cooper, Leroy Cronin, Magnetic characterization of the frustrated three-leg ladder compound [(CuCl2tachH)3Cl]Cl2,
Phys. Rev. B 70 (2004) 174420

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C. Schröder, J. Schnack, D. Mentrup, M. Luban, Critical slowing-down in classical and quantum Heisenberg magnetic molecules,
J. Magn. Magn. Mater. 272-276 (2004) e721-e723

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J. Richter, J. Schulenburg, A. Honecker, J. Schnack, H.-J. Schmidt, Exact eigenstates and macroscopic magnetization jumps in strongly frustrated spin lattices,
J. Phys.: Condens. Matter 16 (2004) S779-S784
 
2003

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K. Bärwinkel, P. Hage, H.-J. Schmidt, J. Schnack, Quantum numbers for relative ground states of antiferromagnetic Heisenberg spin rings,
Phys. Rev. B 68 (2003) 054422

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D. Mentrup, J. Schnack, Nose-Hoover sampling of quantum entangled distribution functions,
Physica A 326 (2003) 370-383

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J. Schnack, M. Luban, R. Modler, Rotational band structure of low-lying excitations in small Heisenberg systems,
Int. J. Mod. Phys. B 17 (2003) 5053-5057

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D. Mentrup, J. Schnack, Isothermal quantum dynamics: Nose-Hoover method for coherent states,
Int. J. Mod. Phys. B 17 (2003) 5449-5452

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K. Bärwinkel, H.-J. Schmidt, J. Schnack, Improved upper and lower energy bounds for antiferromagnetic Heisenberg spin systems,
Eur. Phys. J. B 33 (2003) 285

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H.-J. Schmidt, J. Schnack, Symmetric polynomials in physics,
in: J.-P. Gazeau et al (eds.), GROUP 24, Physical and Mathematical Aspects of Symmetries, Proceedings of the 24th International Colloquium on Group Theoretical Methods in Physics (Paris, July 15-20, 2002) , Institute of Physics Conference Series No. 173 (2003), Institute of Physics Publishing, Bristol and Philadelphia, p. 147-153

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M. Exler, J. Schnack, Evaluation of the low-lying energy spectrum of magnetic Keplerate molecules using the density-matrix renormalization group technique,
Phys. Rev. B 67 (2003) 094440
 
2002

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J. Schulenburg, A. Honecker, J. Schnack, J. Richter, H.-J. Schmidt, Macroscopic magnetization jumps due to independent magnons in frustrated quantum spin lattices,
Phys. Rev. Lett. 88 (2002) 167207

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H.-J. Schmidt, J. Schnack, M. Luban, Reply to the Comment by O. Waldmann on "Bounding and approximating parabolas for the spectrum of Heisenberg spin systems",
Europhysics Letters 57 (2002) 620

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H.-J. Schmidt, J. Schnack, Partition functions and symmetric polynomials,
Am. J. Phys. 70 (2002) 53-57
 
2001

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J. Schnack, Selected small quantum systems: Theoretical techniques, fundamental properties, and thermodynamics,
Introduction of the Habilitation thesis. The complete document contains the listed publications.

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J. Schnack, H.-J. Schmidt, J. Richter, J. Schulenburg, Independent magnon states on magnetic polytopes,
Eur. Phys. J. B 24 (2001) 475

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J. Schnack, M. Luban, R. Modler, Quantum rotational band model for the Heisenberg molecular magnet Mo_72Fe_30,
Europhysics Letters 56 (2001) 863

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J. Schnack, M. Luban, R. Modler, Rotational band structure of low-lying excitations in small Heisenberg systems, in Advances in Quantum Many-Body Theory, Proceedings of "The 11th International Conferences on Recent Progress in Many-Body Theories", Manchester, edited by Raymond F. Bishop, Tobias Brandes, Klaus A. Gernoth, Niels R. Walet, and Yang Xian (UMIST, Manchester, UK, 2001), World Scientific

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D. Mentrup, J. Schnack, Isothermal quantum dynamics: Nose-Hoover method for coherent states, in Advances in Quantum Many-Body Theory, Proceedings of "The 11th International Conferences on Recent Progress in Many-Body Theories", Manchester, edited by Raymond F. Bishop, Tobias Brandes, Klaus A. Gernoth, Niels R. Walet, and Yang Xian (UMIST, Manchester, UK, 2001), World Scientific

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H.-J. Schmidt, J. Schnack, M. Luban, Heisenberg exchange parameters of molecular magnets from the high-temperature susceptibility expansion,
Phys. Rev. B 64 (2001) 224415

A. Müller, M. Luban, C. Schröder, R. Modler, P. Kögerler, M. Axenovich, J. Schnack, P.C. Canfield, S. Bud'ko, and Neil Harrison,
Classical and Quantum Magnetism in Giant Keplerate Magnetic Molecules,
Chem. Phys. Chem. 2 (2001) 517

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D. Mentrup, J. Schnack, Nose-Hoover dynamics for coherent states,
Physica A 297 (2001) 337-347

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H.-J. Schmidt, J. Schnack, M. Luban, Bounding and approximating parabolas for the spectrum of Heisenberg spin systems,
Europhysics Letters 55 (2001) 105-110

A. Pop, A. Andronic, I. Berceanu, M. Duma, D. Mois, M. Petrovici, V. Simion, A. Bonasera, G. Immé, G. Lanzanò, A. Pagano, G. Raciti, N. Colonna, G. d'Erasmo, A. Pantaleo, H. Feldmeier, and J. Schnack,
Global features of dissipative processes in light heavy-ion collisions,
Nucl. Phys. A 679 (2001) 793-823
 
2000

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J. Schnack, M. Luban, Rotational modes in molecular magnets with antiferromagnetic Heisenberg exchange,
Phys. Rev. B 63 (2000) 014418

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J. Schnack, Properties of the first excited state of nonbipartite Heisenberg spin rings,
Phys. Rev. B 62 (2000) 14855-14859

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H. Feldmeier, J. Schnack, Molecular Dynamics for Fermions, Rev. Mod. Phys. 72 (2000) 655-688

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K. Bärwinkel, H.-J. Schmidt, J. Schnack, Ground state properties of antiferromagnetic Heisenberg spin rings,
Journal of Magnetism and Magnetic Materials 220 (2000) 227

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D. Mentrup, H.-J. Schmidt, J. Schnack, M. Luban, Transition from quantum to classical Heisenberg trimers: Thermodynamics and time correlation functions,
Physica A 278 (2000) 214

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Y. Furukawa, M. Luban, F. Borsa, D.C. Johnston, A.V. Mahajan, L.L. Miller, D. Mentrup, J. Schnack, A. Bino, Magnetism and spin dynamics in the cluster compound [Cr_4S(O_2CCH_3)_8(H_2O)_4](NO_3)_2H_2O,
Phys. Rev. B 61 (2000) 8635

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K. Bärwinkel, H.-J. Schmidt, J. Schnack, Structure and relevant dimension of the Heisenberg model and applications to spin rings,
Journal of Magnetism and Magnetic Materials 212 (2000) 240
 
1999

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J. Schnack, Referee report on the book Quantum Mechanics by E. Merzbacher in Phys. Bl. 7/8 (1999) 109

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D. Mentrup, J. Schnack, M. Luban, Spin dynamics of quantum and classical Heisenberg dimers,
Physica A 272 (1999) 153-161

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J. Schnack, Thermodynamics of the harmonic oscillator using coherent states,
Europhysics Letters 45 (1999) 647-652

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T. Neff, H. Feldmeier, R. Roth, J. Schnack, Realistic interactions and configuration mixing in Fermionic Molecular Dynamics, Proc. Int. Workshop XXXVII, Hirschegg (1999) 283-292

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H.-J. Schmidt, J. Schnack, Thermodynamic fermion-boson symmetry in harmonic oscillator potentials,
Physica A 265 (1999) 584-589

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K. Bärwinkel, J. Schnack, U. Thelker, Quasi-Particle Picture for Monatomic Gases,
Physica A 262 (1999) 496-504

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H. Feldmeier, J. Schnack, Liquid-gas phase transition in finite nuclei,
GSI-Nachrichten 1999/1 (1999) 11

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T. Neff, H. Feldmeier, R. Roth, J. Schnack, Configuration Mixing with Coherent States, GSI annual report 1998, GSI Report 99-1, p. 42

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K. Bärwinkel, H.-J. Schmidt, J. Schnack, On cyclically shifted strings,
unpublished
 
1998

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J. Schnack, Referee report on the book Quantenmechanik by C. Cohen-Tannoudji, B. Diu and F. Laloe in Phys. Bl. 7/8 (1998) 679

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H. Feldmeier, J. Schnack, Liquid-gas phase transition in finite nuclei within Fermionic Molecular Dynamics, Invited talk of H. Feldmeier at "Workshop on Nuclear Matter in Different Phases and Transitions", March 31 - April 10, 1998 Les Houches, France. To be published in the proceedings, Kluwer Academic Publ. in Fundamental Theories of Physics

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H.-J. Schmidt, J. Schnack, Investigations on finite ideal quantum gases,
Physica A 260 (1998) 479-489

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H. Feldmeier, T. Neff, R. Roth, J. Schnack, Fermionic Molecular Dynamics and short range correlations, Invited talk of H. Feldmeier at "XVII RCNP International Symposium on Innovative Computational Methods in Nuclear Many-Body Problems", November 10 - 15, 1997, Osaka. To be published in the proceedings, World Scientific; GSI-Preprint-98-2

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J. Schnack, Molecular dynamics investigations on a quantum system in a thermostat,
Physica A 259 (1998) 49-58

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H. Feldmeier, T. Neff, R. Roth, J. Schnack, A unitary correlation operator method,
Nucl. Phys. A632 (1998) 61-95

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H. Feldmeier, T. Neff, R. Roth, J. Schnack, Mutifragmentation in Fermionic Molecular Dynamics, GSI annual report 1997, GSI Report 98-1
 
1997

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J. Schnack, H. Feldmeier, The nuclear liquid-gas phase transition within Fermionic Molecular Dynamics,
Phys. Lett. B409 (1997) 6-10

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H. Feldmeier, J. Schnack, Fermionic Molecular Dynamics: Multifragmentation in heavy-ion collisions and in excited nuclei, Advances in Nuclear Dynamics 3, Proceedings of 13th Winter Workshop on Nuclear Dynamics, edited by W. Bauer and A. Mignerey, Plenum Press (1997) 83-90

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H. Feldmeier, J. Schnack, Fermionic Molecular Dynamics, Prog. Part. Nucl. Phys. 39 (1997) 393-442

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H. Feldmeier, J. Schnack, The nuclear liquid-gas phase transition within FMD, GSI annual report 1996, GSI Report 97-1

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H. Feldmeier, T. Neff, R. Roth, J. Schnack, Short range unitary two-body correlations, GSI annual report 1996, GSI Report 97-1
 
1996

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J. Schnack, Kurzreichweitige Korrelationen in der Fermionischen Molekulardynamik, Doktorarbeit, TH Darmstadt (1996)

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J. Schnack, H. Feldmeier, Statistical Properties of Fermionic Molecular Dynamics, Nuclear Physics A 601 (1996) 181-194

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H. Feldmeier, J. Schnack, Statistical properties of Fermionic Molecular Dynamics, GSI annual report 1995, GSI Report 96-1
 
1995

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H. Feldmeier, K. Bieler, J. Schnack, Fermionic Molecular Dynamics for Ground States and Collisions of Nuclei, Nuclear Physics A 586 (1995) 493-532

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H. Feldmeier, J. Schnack, Proc. Fifth Int. Conference on Nucleus Nucleus Collisions, Taormina (1994), Nucl. Phys. A 583 (1995) 347c-352c

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H. Feldmeier, J. Schnack, Fermionic Molecular Dynamics: From Fusion to Multifragmentation, GSI annual report 1994, GSI Report 95-1
 
1994

H. Feldmeier, J. Schnack, Multifragmentation, Proc. Int. Workshop XXXII, Hirschegg (1994) 207
 
1993

H. Feldmeier, J. Schnack, Proc. Int. Workshop on Dynamical Features of Nuclei and Finite Fermi Systems, Sitges (1993), World Scientific

J. Schnack, Diploma Thesis (GSI-REPORT) GSI-93-21 (1993)

 
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