Dr. Klaus Koepernik

Department:ITF - Numerical Solid State Physics and Simulation
Address:IFW Dresden
Helmholtzstraße 20
01069 Dresden
Telephone number:+49-351-4659-1818
E-mail:K.Koepernik(at)ifw-dresden.de



Journal papers:82
Contributions to collected editions/proceedings:4
Invited talks:16

Journal papers

2016

M. Altmeyer, H.O. Jeschke, O. Hijano-Cubelos, C. Martins, F. Lechermann, K. Koepernik, A.F. Santander-Syro, M.J. Rozenberg, R. Valenti, M. Gabay: Magnetism, Spin Texture, and In-Gap States: Atomic Specialization at the Surface of Oxygen-Deficient SrTiO3, Physical Review Letters 116 (2016) Nr. 15, S. 157203/1-6 URL

T. Dey, A. Maljuk, D.V. Efremov, O. Kataeva, S. Gass, C.F.G. Blum, F. Steckel, D. Gruner, T. Ritschel, A.U.B. Wolter, J. Geck, C. Hess, K. Koepernik, J. van den Brink, S. Wurmehl, B. Buechner: Ba2YIrO6: A cubic double perovskite material with Ir5+ ions, Physical Review B 93 (2016) Nr. 1, S. 14434/1-7 URL

K. Koepernik, D. Kasinathan, D.V. Efremov, S. Khim, S. Borisenko, B. Buechner, J. van den Brink: TaIrTe4: A ternary type-II Weyl semimetal, Physical Review B 93 (2016) Nr. 20, S. 201101(R)/1-5 URL

K. Lejaeghere, G. Bihlmayer, T. Bjoerkman, P. Blaha, S. Bluegel, V. Blum, D. Caliste, I.E. Castelli, S.J. Clark, A. Dal Corso, S. de Gironcoli, T. Deutsch, J.K. Dewhurst, I. Di Marco, C. Draxl, M. Dulak, O. Eriksson, J.A. Flores-Livas, K.F. Garrity, L. Genovese, P. Giannozzi, M. Giantomassi, S. Goedecker, X. Gonze, O. Granaes, E.K.U. Gross, A. Gulans, F. Gygi, D.R. Hamann, J.P. Hasnip, N.A.W. Holzwarth, D. Iusan, D.B. Jochym, F. Jollet, D. Jones, G. Kresse, K. Koepernik, E. Kuecuekbenli, Y.O. Kvashnin, I.L.M. Locht, S. Lubeck, M. Marsman, N. Marzari, U. Nitzsche, L. Nordstroem, T. Ozaki, L. Paulatto, C.J. Pickard, W. Poelmans, M.I.J. Probert, K. Refson, M. Richter, G.-M. Rignanese, S. Saha, M. Scheffler, M. Schlipf, K. Schwarz, S. Sharma, F. Tavazza, P. Thunstroem, A. Tkatchenko, M. Torrent, D. Vanderbilt, M.J. van Setten, V. van Speybroeck, J.M. Wills, J.R. Yates, G.-X. Zhang, S. Cottenier: Reproducibility in density functional theory calculations of solids, Science 351 (2016) Nr. 6280, S. 123-262 URL

N. Martin, M. Deutsch, J.-P. Itié, J.-P. Rueff, U.K. Roessler, K. Koepernik, L.N. Fomicheva, A.V. Tsvyashchenko, I. Mirebeau: Magnetovolume effect, macroscopic hysteresis, and moment collapse in the paramagnetic state of cubic MnGe under pressure, Physical review B 93 (2016) Nr. 21, S. 4404 URL

C. Pauly, B. Rasche, K. Koepernik, M. Richter, S. Borisenko, M. Liebmann, M. Ruck, J. van den Brink, M. Morgenstern: Electronic Structure of the Dark Surface of the Weak Topological Insulator Bi14Rh3I9, ACS Nano 10 (2016) Nr. 4, S. 3995-4003 URL

B. Rasche, A. Isaeva, M. Ruck, K. Koepernik, M. Richter, J. van den Brink: Correlation between topological band character and chemical bonding in a Bi14Rh3I9-based family of insulators, Scientific Reports 6 (2016), S. 20645/1-7 URL

2015

A. Barla, H. Wilhelm, M.K. Forthaus, C. Strohm, R. Rueffer, M. Schmidt, K. Koepernik, U.K. Roessler, M.M. Abd-Elmeguid: Pressure-Induced Inhomogeneous Chiral-Spin Ground State in FeGe, Physical Review Letters 114 (2015) Nr. 1, S. 16803/1-5 URL

V. Bisogni, K. Wohlfeld, S. Nishimoto, C. Monney, J. Trinckauf, K. Zhou, R. Kraus, K. Koepernik, C. Sekar, V. Strocov, B. Buechner, T. Schmitt, J. van den Brink, J. Geck: Orbital Control of Effective Dimensionality: From Spin-Orbital Fractionalization to Confinement in the Anisotropic Ladder System CaCu2O3, Physical Review Letters 114 (2015) Nr. 9, S. 96402/1-6 URL

A.C. Jacko, C. Janani, K. Koepernik, B.J. Powell: Emergence of quasi-one-dimensional physics in a nearly-isotropic three-dimensional molecular crystal: Ab initio modeling of Mo3S7(dmit)3, Physical Review B 91 (2015) Nr. 12, S. 125140/1-5 URL

D. Kasinathan, K. Koepernik, L.H. Tjeng, M.W. Haverkort: SmO thin films: A flexible route to correlated flat bands with nontrivial topology, Physical Review B 91 (2015) Nr. 19, S. 195127/1-8 URL

K. Kikoin, S.-L. Drechsler, K. Koepernik, J. Malek, J. van den Brink: Magnetic moment formation due to arsenic vacancies in LaFeAsO-derived superconductors, Scientific Reports 5 (2015), S. 11280/ URL

C. Pauly, B. Rasche, K. Koepernik, M. Liebmann, M. Pratzer, M. Richter, J. Kellner, M. Eschbach, B. Kaufmann, L. Plucinski, C.M. Schneider, M. Ruck, J. van den Brink, M. Morgenstern: Subnanometre-wide electron channels protected by topology, Nature Physics 11 (2015) Nr. 4, S. 338-343 URL

T. Ritschel, J. Trinckauf, K. Koepernik, B. Buechner, M. von Zimmermann, H. Berger, Y.I. Joe, P. Abbamonte, J. Geck: Orbital textures and charge density waves in transition metal dichalcogenides, Nature Physics 11 (2015), S. 328-331 URL

S. Schoenecker, X. Li, K. Koepernik, B. Johansson, L. Vitos, M. Richter: Metastable cubic and tetragonal phases of transition metals predicted by density-functional theory, RSC Advances 5 (2015) Nr. 85, S. 69680-69689 URL

S. Schoenecker, M. Richter, K. Koepernik, H. Eschrig: Prediction of first-order martensitic transitions in strained epitaxial films, New Journal of Physics 17 (2015), S. 23005/1-7 URL

2014

A. Chikina, M. Hoeppner, S. Seiro, K. Kummer, S. Danzenbaecher, S. Patil, A. Generalov, M. Guettler, Y. Kucherenko, E.V. Chulkov, Y.M. Koroteev, K. Koepernik, C. Geibel, M. Shi, M. Radovic, C. Laubschat, D.V. Vyalikh: Strong ferromagnetism at the surface of an antiferromagnet caused by buried magnetic moments, nature communications 5 (2014), S. 4171/1- URL

T. Meissner, S.K. Goh, J. Haase, M. Richter, K. Koepernik, H. Eschrig: Nuclear magnetic resonance at up to 10.1 GPa pressure detects an electronic topological transition in aluminum metal, Journal of Physics: Condensed Matter 26 (2014) Nr. 1, S. 15501/1-5 URL

M. Taut, K. Koepernik, M. Richter: Electronic structure of stacking faults in rhombohedral graphite, Physical Review B 90 (2014) Nr. 8, S. 85312/1-8 URL

2013

M. Beekman, S. Disch, S. Rouvimov, D. Kasinathan, K. Koepernik, H. Rosner, P. Zschack, W.S. Neumann, D.C. Johnson: Controlling size-induced phase transformations using chemically designed nanolaminates, Angewandte Chemie - International Edition 52 (2013) Nr. 50, S. 13211-13214 URL

B. Rasche, A. Isaeva, M. Ruck, S. Borisenko, V. Zabolotnyy, B. Buechner, K. Koepernik, C. Ortix, M. Richter, J. van den Brink: Stacked topological insulator built from bismuth-based graphene sheet analogues, nature materials 12 (2013), S. 422-425 URL

E.D.L. Rienks, T. Wolf, K. Koepernik, I. Avigo, P. Hlawenka, C. Lupulescu, T. Arion, F. Roth, W. Eberhardt, U. Bovensiepen, J. Fink: Electronic structure and quantum criticality in Ba(Fe1-x-yCoxMny)2As2, an ARPES study, epl 103 (2013), S. 47004/1-7 URL

M. Taut, K. Koepernik, M. Richter: Electronic structure of stacking faults in hexagonal graphite, Physical Review B 88 (2013) Nr. 20, S. 205411/1-10 URL

2012

H.C. Kandpal, K. Koepernik, M. Richter: Strong magnetic anisotropy of chemically bound Co dimers in a graphene sheet, Physical Review B 86 (2012), S. 235430/1-7 URL

D. Kasinathan, M. Wagner, K. Koepernik, R. Cardoso-Gil, Y. Grin, H. Rosner: Electronic and thermoelectric properties of RuIn3-xAx (A=Sn, Zn), Physical Review B 85 (2012) Nr. 3, S. 35207/1-10 URL

A. Koenig, K. Koepernik, R. Schuster, R. Kraus, M. Knupfer, B. Buechner, H. Berger: Plasmon evolution and charge-density wave suppression in potassium intercalated 2H-TaSe2, epl 100 (2012), S. 27002/1-6 URL

K. Koepernik, S. Johnston, E. van Heumen, Y. Huang, J. Kaas, J.B. Goedkoop, M.S. Golden, J. van den Brink: Surface adatom conductance filtering in scanning tunneling spectroscopy of Co-doped BaFe2As2 iron pnictide superconductors, Physical Review Letters 109 (2012), S. 127001/1-5 URL

S. Schoenecker, M. Richter, K. Koepernik, H. Eschrig: Ferromagnetic elements by epitaxial growth: A density functional prediction, Physical Review B 85 (2012) Nr. 2, S. 24407/1-6 URL

H. Sims, W.H. Butler, M. Richter, K. Koepernik, E. Sasioglu, C. Friedrich, S. Bluegel: Theoretical investigation into the possibility of very large moments in Fe16N2, Physical Review B 86 (2012) Nr. 17, S. 17442/1-7 URL

J. Trinckauf, T. Haenke, V. Zabolotnyy, T. Ritschel, M.O. Apostu, R. Suryanarayanan, A. Revcolevschi, K. Koepernik, T.K. Kim, M. von Zimmermann, S.V. Borisenko, M. Knupfer, B. Buechner, J. Geck: Electronic confinement and ordering instabilities in colossal magnetoresistive bilayer manganites, Physical Review Letters 108 (2012) Nr. 1, S. 16403/1-5 URL

2011

E. van Heumen, J. Vuorinen, K. Koepernik, F. Massee, Y. Huang, M. Shi, J. Klei, J. Goedkoop, M. Lindroos, J. van den Brink, M.S. Golden: Existence, character, and origin of surface-related bands in the high temperature iron pnictide superconductor BaFe2-xCoxAs2, Physical Review Letters 106 (2011) Nr. 2, S. 27002/1-4 URL

D. Kasinathan, M. Schmitt, K. Koepernik, A. Ormeci, K. Meier, U. Schwarz, M. Hanfland, C. Geibel, Y. Grin, A. Leithe-Jasper, H. Rosner: Symmetry-preserving lattice collapse in tetragonal SrFe2-xRuxAs2 (x=0,0.2): A combined experimental and theoretical study, Physical Review B 84 (2011) Nr. 5, S. 54509/1-9 URL

C. Neise, S. Schoenecker, M. Richter, K. Koepernik, H. Eschrig: The effect of chemical disorder on the magnetic anisotropy of strained Fe–Co films, Physica Status Solidi B 248 (2011) Nr. 10, S. 2398-2403 URL

R. Xiao, F. Tasnadi, K. Koepernik, J.W.F. Venderbos, M. Richter, M. Taut: Density functional investigation of rhombohedral stacks of graphene: Topological surface states, nonlinear dielectric response, and bulk limit, Physical Review B 84 (2011) Nr. 16, S. 165404/1-15 URL

2010

S.-L. Drechsler, F. Roth, M. Grobosch, R. Schuster, K. Koepernik, H. Rosner, G. Behr, M. Rotter, D. Johrendt, B. Buechner, M. Knupfer: Insight into the physics of Fe-pnictides from optical and T = 0 penetration depth data, Physica C 470 (2010) Nr. Supplement 1, S. S332-S333 URL

H. Eschrig, A. Lankau, K. Koepernik: Calculated cleavage behavior and surface states of LaOFeAs, Physical Review B 81 (2010) Nr. 15, S. 155447/1-9 URL

K. Koch, K. Koepernik, D. Van Neck, H. Rosner, S. Cottenier: Electron penetration into the nucleus and its effect on the quadrupole interaction, Physical Review A 81 (2010) Nr. 3, S. 32507/1-16 URL

A. Lankau, K. Koepernik, S. Borisenko, V. Zabolotnyy, B. Buechner, J. van den Brink, H. Eschrig: Absence of surface states for LiFeAs investigated using density functional calculations, Physical Review B 82 (2010) Nr. 18, S. 184518/1-5 URL

R. Xiao, D. Fritsch, M.D. Kuzmin, K. Koepernik, M. Richter, K. Vietze, G. Seifert: Prediction of huge magnetic anisotropies of transition-metal dimer-benzene complexes from density functional theory calculations, Physical Review B 82 (2010) Nr. 20, S. 205125/1-13 URL

R. Xiao, M. Kuzmin, K. Koepernik, M. Richter: CoIr-carbon complexes with magnetic anisotropies larger than 0.2 eV: A density-functional-theory prediction, Applied Physics Letters 97 (2010) Nr. 23, S. 232501/1-3 URL

2009

H. Eschrig, K. Koepernik: Tight-binding models for the iron-based superconductors, Physical Review B 80 (2009) Nr. 10, S. 104503/1-14 URL

K. Koch, R.O. Kuzian, K. Koepernik, I.V. Kondakova, H. Rosner: Analysis of the electric field gradient in the perovskites SrTiO3 and BaTiO3: Density functional and model calculations, Physical Review B 80 (2009) Nr. 12, S. 125113/1-9 URL

I. Opahle, K. Koepernik, U. Nitzsche, M. Richter: Jahn-Teller like origin of the tetragonal distortion in disordered Fe-Pd magnetic shape memory alloys, Applied Physics Letters 94 (2009) Nr. 7, S. 72508/1-3 URL

R. Xiao, D. Fritsch, M.D. Kuzmin, K. Koepernik, H. Eschrig, M. Richter, K. Vietze, G. Seifert: Co dimers on hexagonal carbon rings proposed as subnanometer magnetic storage bits, Physical Review Letters 103 (2009) Nr. 18, S. 187201/1-4 URL

E.R. Ylvisaker, W.E. Pickett, K. Koepernik: Anisotropy and magnetism in the LSDA+U method, Physical Review B 79 (2009) Nr. 3, S. 35103/1-3 URL

H. Zhang, M. Richter, K. Koepernik, I. Opahle, F. Tasnadi, H. Eschrig: Electric-field control of surface magnetic anisotropy: a density functional approach, New Journal of Physics 11 (2009) Nr. 4, S. 43007/1-8 URL

W. Zhang, K. Koepernik, M. Richter, H. Eschrig: Magnetic phase transition in CoO under high pressure: A challenge for LSDA+U, Physical Review B 79 (2009) Nr. 15, S. 155123/1-9 URL

2008

S.-L. Drechsler, M. Grobosch, K. Koepernik, G. Behr, A. Koehler, J. Werner, A. Kondrat, N. Leps, C. Hess, R. Klingeler, R. Schuster, B. Buechner, M. Knupfer: Optical study of LaO0.9F0.1FeAs: Evidence for a weakly coupled superconducting state, Physical Review Letters 101 (2008) Nr. 25, S. 257004/1-4 URL

D. Fritsch, K. Koepernik, M. Richter, H. Eschrig: Transition metal dimers as potential molecular magnets: A challenge to computational chemistry, Journal of Computational Chemistry 29 (2008) Nr. 13, S. 2210-2219 URL

D. Kasinathan, K. Koepernik, H. Rosner: Quasi-one-dimensional magnetism driven by unusual orbital ordering in CuSb2O6, Physical Review Letters 100 (2008) Nr. 23, S. 237202/1-4 URL

D. Koudela, U. Schwarz, H. Rosner, U. Burkhardt, A. Handstein, M. Hanfland, M.D. Kuzmin, I. Opahle, K. Koepernik, K.-H. Mueller, M. Richter: Magnetic and elastic properties of YCo5 and LaCo5 under pressure, Physical Review B 77 (2008) Nr. 2, S. 24411/1-7 URL

I.I. Mazin, M.D. Johannes, L. Boeri, K. Koepernik, D.J. Singh: Problems with reconciling density functional theory calculations with experiment in ferropnictides, Physical Review B 78 (2008) Nr. 8, S. 85104/1-7 URL

2007

H. Eschrig, K. Koepernik: Na0.75CoO2 - An itinerant magnet?, Physica C 460-462 (2007), S. 495-496 URL

J. Geck, S.V. Borisenko, H. Berger, H. Eschrig, J. Fink, M. Knupfer, K. Koepernik, A. Koitzsch, A.A. Kordyuk, V.B. Zabolotnyy, B. Buechner: Anomalous quasiparticle renormalization in Na0.73CoO2: Role of interorbital interactions and magnetic correlations, Physical Review Letters 99 (2007) Nr. 4, S. 46403/1-4 URL

D. Kasinathan, K. Koepernik, W.E. Pickett: Pressure-driven magnetic moment collapse in the ground state of MnO, New Journal of Physics 9 (2007) Nr. 7, S. 235/1-12 URL

D. Kasinathan, K. Koepernik, U. Nitzsche, H. Rosner: Ferromagnetism induced by orbital order in the charge-transfer insulator Cs2AgF4: An electronic structure study, Physical Review Letters 99 (2007) Nr. 24, S. 247210/1-4 URL

D. Kasinathan, K. Koepernik, J. Kunes, H. Rosner, W.E. Pickett: Origin of strong coupling in lithium under pressure, Physica C 460-462 (2007), S. 133-136 URL

2006

T. Chanier, M. Sargolzaei, I. Opahle, R. Hayn, K. Koepernik: LSDA+U versus LSDA: Towards a better description of the magnetic nearest-neighbor exchange coupling in Co- and Mn-doped ZnO, Physical Review B 73 (2006) Nr. 13, S. 134418/1-7 URL

J. Geck, H. von Zimmermann, H. Berger, S.V. Borisenko, H. Eschrig, K. Koepernik, M. Knupfer, B. Buechner: Stripe correlations in Na0.75CoO2, Physical Review Letters 97 (2006) Nr. 10, S. 106403/1-4 URL

D. Kasinathan, J. Kunes, K. Koepernik, C.V. Diaconu, R.L. Martin, I.D. Prodan, G.E. Scuseria, N. Spaldin, L. Petit, T.C. Schulthess, W.E. Pickett: Mott transition of MnO under pressure: A comparison of correlated band theories, Physical Review B 74 (2006) Nr. 19, S. 195110/1-12 URL

D. Koudela, M. Richter, A. Moebius, K. Koepernik, H. Eschrig: Lifshitz transitions and elastic properties of osmium under pressure, Physical Review B 74 (2006) Nr. 21, S. 214103/1-8 URL

A. Ormeci, K. Koepernik, H. Rosner: First-principles electronic structure study of Sc-II, Physical Review B 74 (2006) Nr. 10, S. 104119/1-5 URL

H. Rosner, D. Koudela, U. Schwarz, A. Handstein, M. Hanfland, I. Opahle, K. Koepernik, M.D. Kuzmin, K.-H. Mueller, J.A. Mydosh, M. Richter: Magneto-elastic lattice collapse in YCo5, Nature physics 2 (2006) Nr. 7, S. 469-472 URL

M. Sargolzaei, M. Richter, K. Koepernik, I. Opahle, H. Eschrig, I. Chaplygin: Spin and orbital magnetism in full Heusler alloys: A density functional theory study of Co2YZ (Y=Mn,Fe; Z=Al,Si,Ga,Ge), Physical Review B 74 (2006) Nr. 22, S. 224410/1-9 URL

2005

H. Eschrig, M. Sargolzaei, K. Koepernik, M. Richter: Orbital polarization in the Kohn-Sham-Dirac theory, Europhysics Letters 72 (2005) Nr. 4, S. 611-617 URL

I. Opahle, M. Richter, M.D. Kuzmin, U. Nitzsche, K. Koepernik, L. Schramm: Calculated magnetocrystalline anisotropy of existing and hypothetical MCo5 compounds, Journal of Magnetism and Magnetic Materials 290-291 (2005) Nr. Part 1, S. 374-377 URL

M. Sargolzaei, I. Opahle, M. Richter, K. Koepernik, U. Nitzsche, H. Eschrig: Magnetic properties of Co impurities in bulk Au: DFT calculations, Journal of Magnetism and Magnetic Materials 290-291 (2005) Nr. Part 1, S. 364-366 URL

2004

L. Berbil-Bautista, T. Haenke, M. Getzlaff, R. Wiesendanger, I. Opahle, K. Koepernik, M. Richter: Observation of 5f states in U/W(110) films by means of scanning tunneling spectroscopy, Physical Review B 70 (2004) Nr. 11, S. 113401/1-4 URL

U. Nitzsche, M. Richter, I. Chaplygin, K. Koepernik, I. Opahle, H. Eschrig: Electronic structure and magnetostriction in bulk gadolinium, Journal of Magnetism and Magnetic Materials 272-276 (2004) Nr. Suppl. I, S. e249-e250 URL

I. Opahle, S. Elgazzar, K. Koepernik, P.M. Oppeneer: Electronic structure of the Pu-based superconductor PuCoGa5 and of related actinide-115 compounds, Physical Review B 70 (2004), S. 104504/1-6 URL

M. Richter, J. Rusz, H. Rosner, K. Koepernik, I. Opahle, U. Nitzsche, H. Eschrig: Unconventional metallic magnetism in LaCrSb3, Journal of Magnetism and Magnetic Materials 272-276 (2004) Nr. Suppl. I, S. e251-e252 URL

2003

H. Eschrig, K. Koepernik, I. Chaplygin: Density functional application to strongly correlated electron systems, Journal of Solid State Chemistry 176 (2003) Nr. 2, S. 482-495 URL

2001

A.M. Ionov, S. Danzenbaecher, S.L. Molodtsov, K. Koepernik, M. Richter, C. Laubschat: Electronic structure of carbolite films, Applied Surface Science 175-176 (2001), S. 207-211 URL

H. Rosner, S.-L. Drechsler, K. Koepernik, R. Hayn, H. Eschrig: Possibility of a spin-Peierls state in CuSiO3 from electronic structure theory, Physical Review B 63 (2001) Nr. 7, S. 73104/1-4 URL

2000

S.-L. Drechsler, H. Rosner, S.V. Shulga, H. Eschrig, J. Freudenberger, G. Fuchs, K. Nenkov, K.-H. Mueller, D. Lipp, A. Gladun, A. Kreyssig, K. Koepernik, P. Gegenwart, T. Cichorek: Superconductivity in clean and disordered nonmagnetic borocarbides, Physica C 341-348 (2000) Nr. Part II, S. 749-750 URL

I. Opahle, K. Koepernik, H. Eschrig: Full-potential band-structure calculation of iron pyrite, Computational Materials Science 17 (2000) Nr. 2-4, S. 206-210

H. Rosner, M. Divis, K. Koepernik, S.-L. Drechsler, H. Eschrig: Comment on 'The electronic structure of CaCuO2 and SrCuO2', Journal of Physics - Condensed Matter 12 (2000) Nr. 26, S. 5809-5812 URL

1999

S.-L. Drechsler, H. Rosner, S.V. Shulga, G. Fuchs, H. von Lips, J. Freudenberger, M.S. Golden, M. Knupfer, K.-H. Mueller, L. Schultz, J. Fink, G. Kaindl, H. Eschrig, K. Koepernik: Electronic structure and superconductivity of nonmagnetic transition metal borocarbides, Journal of Low Temperature Physics 117 (1999) Nr. 5/6, S. 1617-1621 URL

S.-L. Drechsler, S.V. Shulga, K.-H. Mueller, G. Fuchs, J. Freudenberger, G. Behr, H. Eschrig, L. Schultz, M.S. Golden, H. von Lips, J. Fink, V.N. Narozhnyi, H. Rosner, P. Zahn, A. Gladun, D. Lipp, A. Kreyssig, M. Loewenhaupt, K. Koepernik, K. Winzer, K. Krug: Superconducting rare earth transition metal borocarbides, Physica C 317-318 (1999), S. 117-126 URL

J. Freudenberger, G. Fuchs, K.-H. Mueller, K. Nenkov, S.-L. Drechsler, A. Kreyssig, H. Rosner, K. Koepernik, D. Lipp, L. Schultz: Diluted and concentrated isoelectronic substitutional effects in superconducting RxY1-xNi2B2C compounds, Journal of Low Temperature Physics 117 (1999) Nr. 5/6, S. 1623-1627 URL

K. Koepernik, H. Eschrig: Full-potential nonorthogonal local-orbital minimum-basis band-structure scheme, Physical Review B 59 (1999) Nr. 3, S. 1743-1757 URL

I. Opahle, K. Koepernik, H. Eschrig: Full-potential band-structure calculation of iron pyrite, Physical Review B 60 (1999) Nr. 20, S. 14035-14041 URL

Contributions to collected editions/proceedings

2008

M. Richter, K. Koepernik, H. Eschrig: Full-potential local-orbital approach to the electronic structure of solids and molecules, 43rd Karpacz Winter School of Theoretical Physics, Ladek Zdroj/ Polen, 5.-11.2.07, in: Lecture Notes of 43rd Karpacz Winter School of Theoretical Physics, 271-291 (2008)

2003

H. Eschrig, K. Koepernik, I. Chaplygin: Towards models of magnetic interactions in the cuprates, NATO Advanced Research Workshop Hvar/Kroatien, 29.9.-3.10.02, in: Proceedings of the NATO Advanced Research Workshop, A.C.Hewson ; V.Zlatic (eds.), 45-53 (2003)

2001

H. Rosner, S.-L. Drechsler, K. Koepernik, I. Opahle, H. Eschrig: Electronic structure and related properties of rare earth transition metal borocarbides - LDA bandstructure analysis, NATO Advanced Research Workshop on Rare Earth Transition Metal Borocarbides (Nitrides): Superconducting, Magnetic and Normal State Properties, Dresden, 13.-18.6.00 , in: Proceedings: NATO Science Series, subseries II; K.-H. Mueller, V. Narozhnyi (eds), Kluwer Academic Publishers, 14, 71-82 (2001)

2000

H. Rosner, S.-L. Drechsler, S.V. Shulga, K. Koepernik, I. Opahle, H. Eschrig: Superconducting rare earth transition metal borocarbides, DPG-Jahrestagung "Arbeitskreis Festkoerperphysik", Regenburg, 22.-26.3.00, in: "Advances in Solid State Physics", Kramer, B. (ed), Vieweg, Braunschweig, 40, 713-728 (2000)

Invited talks

2015

M. Richter, S. Schoenecker, X. Li, K. Koepernik, B. Johansson, L. Vitos: An excursion along Bain paths of the transition metal elements, VI Workshop on Novel Methods for Electronic Structure Calculations, La Plata/ Argentina, 12.-14.11.15 (2015)

2012

S. Hunter, H.B. William, M. Richter, K. Koepernik: Theoretical investigation of the possibility of very large magnetic moments in Fe16N2, Intermag 2012, Vancouver/ Canada, 7.-11.5.12 (2012)

2009

H. Eschrig, K. Koepernik: Electronic structure of layered iron chalcogenides/pnictides, Seminar of the Center for Computational Materials Science, Universitaet Wien/ Oesterreich, 22.6.09 (2009)

M. Richter, R. Xiao, D. Fritsch, M. Kuzmin, K. Koepernik, H. Eschrig, K. Vietze, G. Seifert: Subnanometer magnetic storage bits, European Workshop "Self-Organized Nanomagnets 2009", Aussois/ France, 29.3.-3.4.09 (2009)

2007

H. Eschrig, K. Koepernik, M. Richter, I. Opahle, F. Tasnadi: Full-potential local-orbital approch to the electronic structure of solids, molecules, clusters and surfaces, PSI-k Training Graduate School on Electronic Structure Methods, Bristol/ GB, 25.-31.3.07 (2007)

H. Eschrig, K. Koepernik, M. Richter, I. Opahle: FPLO: Full-Potential Local-Orbital approach to the electronic structure of solids, molecules, clusters, surfaces, 43rd Karpacz Winterschool of Theoretical Physics, Karpacz/ Polen, 5.-11.2.07 (2007)

M. Richter, M. Sargolzaei, H. Eschrig, K. Koepernik, I. Opahle, I. Chaplygin: Orbital magnetism in itinerant magnets, Seminarvortrag am Center for Materials Science, Oslo/ Norwegen, 17.10.07 (2007)

M. Richter, M. Sargolzaei, H. Eschrig, K. Koepernik, I. Opahle, I. Chaplygin: Orbital magnetism in itinerant magnets, 43rd Karpacz Winterschool of Theoretical Physics, Karpacz/ Polen, 5.-11.2.07 (2007)

2006

H. Eschrig, M. Sargolzaei, K. Koepernik, M. Richter: Orbital polarization in the Kohn-Sham-Dirac-Theory, RTN-Workshop on "Ab-initio Competation of Electronic Properties of f-electron Materials", Canterbury/ GB, 1.-2.4.06 (2006)

H. Eschrig, M. Sargolzaei, K. Koepernik, M. Richter: Orbital polarization in the Kohn-Sham-Dirac-Theory, International Conference on Density Functional Theory and Transmission Electron Microscopy, Wien/ Oesterreich, 21.-23.4.06 (2006)

H. Eschrig, K. Koepernik: High precision LSDA+U+CPA with a local basis: application to doped cuprates, International Workshop "Density Functional Theory meets Strong Correlation", Brookhaven National Lab, Montauk/ USA, 5.-8.9.06 (2006)

H. Eschrig, K. Koepernik, M. Richter, I. Opahle: Full-potential local-orbital approach to the electronic structure of solids, Uppsala Graduale School in Modern Electronic Structure Theory for Chemists and Physicists, Uppsala/ Schweden, 11.-18.12.06 (2006)

2005

H. Eschrig, M. Sargolzaei, K. Koepernik, M. Richter: Orbital polarization in the Kohn-Sham-Dirac theory, PSIK-2005 Conference, Schwaebisch-Gmuend, 17.-21.9.05 (2005)

2003

H. Eschrig, K. Koepernik, I. Chaplygin: Dichtefunktionaltheorie fuer korrelierte Elektronensysteme, Korrelationstage am MPI-PKS, Dresden, 24.-28.3.03 (2003)

2002

H. Eschrig, K. Koepernik, I. Chaplygin: Towards models of magnetic interactions in the cuprates, NATO Advanced Research Workshop on Concepts of Electron Correlation, Hvar/Kroatien, 29.9.-3.10.02 (2002)

H. Eschrig, K. Koepernik, I. Chaplygin: Versions of LSDA+U for magnetic structures, ESCM 2002, Conference on Electronic Structure and Computational Magnetism, Georgetown/USA, 15.-17.7.02 (2002)