event photo with many people in the atrium of IFW


Name Grafe, Dr. Hans-Joachim
Department 1010
Address IFW Dresden
Helmholtzstraße 20
01069 Dresden
Phone Number +49-351-4659-239
Email H.Grafe(at)ifw-dresden.de

Journal Papers

M. Iakovleva, S. Fuchs, A. Alfonsov, H.-J. Grafe, M. Vogl, S. Aswartham, S. Wurmehl, T. Dey, B. Buechner, E. Vavilova, V. Kataev:
Static and dynamic magnetism of the Ir-based double perovskites La2BIrO6 (B =Co, Zn) probed by magnetic resonance spectroscopies, Physical Review B 98 (2018) Nr. 17, S. 174401/1-12 URL

R. Kappenberger, F. Hammerath, P. Rousse, M.A. Afrassa, M.H. Haghighi, S. Kamusella, G. Prando, G. Lamura, A.U.B. Wolter, M. Moroni, S. Sanna, P. Carretta, C. Hess, H.-J. Grafe, H.-H. Klauss, S. Wurmehl, B. Buechner:
Impact of concomitant Y and Mn substitution on superconductivity in La1-yYyFe1-xMnxAsO0.89F0.11, Physical Review B 97 (2018) Nr. 5, S. 54522/1-11 URL

D.D. Karnaushenko, D. Karnaushenko, H.J. Grafe, V. Kataev, B. Buechner, O.G. Schmidt:
Rolled-Up Self-Assembly of Compact Magnetic Inductors, Transformers, and Resonators, Advanced Electronic Materials 4 (2018) Nr. 11, S. 1800298/1-7 URL

R. Reinhold, U. Stoeck, H.-J. Grafe, D. Mikhailova, T. Jaumann, S. Oswald, S. Kaskel, L. Giebeler:
Surface and Electrochemical Studies on Silicon Diphosphide as Easyto-Handle Anode Material for Lithium-Based Batteries - the Phosphorus Path, ACS Applied Materials and Interfaces 10 (2018) Nr. 8, S. 7096-7106 URL

R. Tkachov, L. Stepien, R. Grafe, O. Guskova, A. Kiriy, F. Simon, H. Reith, K. Nielsch, G. Schierning, D. Kasinathan, C. Leyens:
Polyethenetetrathiolate or polytetrathiooxalate? Improved synthesis, a comparative analysis of a prominent thermoelectric polymer and implications to the charge transport mechanism, Polymer Chemistry 9 (2018) Nr. 36, S. 4543-4555 URL

M. Valldor, D. Mikhailova, L. Giebeler, K.T. Lai, L. Spillecke, H.-J. Grafe, B. Buechner:
Synthesis, Characterization, and Electrochemistry of Layered Chalcogenides LiCuCh (Ch = Se, Te), Inorganic Chemistry 57 (2018) Nr. 12, S. 7201-7207 URL

Z.T. Zhang, D. Dmytriieva, S. Molatta, J. Wosnitza, S. Khim, S. Gass, A.U.B. Wolter, S. Wurmehl, H.-J. Grafe, H. Kuehne:
Increasing stripe-type fluctuations in AFe2As2 (A=K, Rb, Cs) superconductors probed by 75As NMR spectroscopy, Physical Review B 97 (2018) Nr. 11, S. 115110/1-5 URL

H.-J. Grafe, S. Nishimoto, M. Iakovleva, E. Vavilova, L. Spillecke, A. Alfonsov, M.-I. Sturza, S. Wurmehl, H. Nojiri, H. Rosner, J. Richter, U.K. Roessler, S.-L. Drechsler, V. Kataev, B. Buechner:
Signatures of a magnetic fieldinduced unconventional nematic liquid in the frustrated and anisotropic spin-chain cuprate LiCuSbO4, Scientific Reports 7 (2017), S. 6720/1-16 URL

F. Hammerath, R. Sarkar, S. Kamusella, C. Baines, H.-H. Klauss, T. Dey, A. Maljuk, S. Gass, A.U.B. Wolter, H.-J. Grafe, S. Wurmehl, B. Buechner:
Diluted paramagnetic impurities in nonmagnetic Ba2YIrO6, Physical Review B 96 (2017) Nr. 16, S. 165108/1-8 URL

C. Hess, H. Grafe, A. Kondrat, G. Lang, F. Hammerath, L. Wang, R. Klingeler, G. Behr, B. Buechner:
Nematicity in LaFeAsO1-xFx, Physica Status Solidi B 254 (2017) Nr. 1, S. 1600214/1-8 URL

M. Iakovleva, S. Zimmermann, J. Zeisner, A. Alfonsov, H.-J. Grafe, M. Valldor, E. Vavilova, B. Buechner, V. Kataev:
Magnetic resonance spectroscopy on the spin-frustrated magnets YBaCo3MO7 (M=Al, Fe), Physical Review B 96 (2017) Nr. 6, S. 64417/1-11 URL

Y. Krupskaya, M. Schaepers, A.U.B. Wolter, H.-J. Grafe, E. Vavilova, A. Moeller, B. Buechner, V. Kataev:
Magnetic Resonance Study of the Spin-1/2 Quantum Magnet BaAg2Cu[VO4]2, Zeitschrift für Physikalische Chemie 231 (2017) Nr. 4, S. 759-775 URL

D. Pelc, H.-J. Grafe, G.D. Gu, M. Pozek:
Cu nuclear magnetic resonance study of charge and spin stripe order in La1.875Ba0.125CuO4, Physical Review B 95 (2017) Nr. 5, S. 54508/1-8 URL

Y. Utz, F. Hammerath, R. Kraus, T. Ritschel, J. Geck, L. Hozoi, J. van den Brink, A. Mohan, C. Hess, K. Karmakar, S. Singh, D. Bounoua, R. Saint-Martin, L. Pinsard-Gaudart, A. Revcolevschi, B. Buechner, H.-J. Grafe:
Effect of different in-chain impurities on the magnetic properties of the spin chain compound SrCuO2 probed by NMR, Physical Review B 96 (2017) Nr. 11, S. 115135/1-12 URL

A.P. Dioguardi, T. Kissikov, C.H. Lin, K.R. Shirer, M.M. Lawson, J.-H. Grafe, J.-H. Chu, I.R. Fisher, R.M. Fernandes, N.J. Curro:
NMR Evidence for Inhomogeneous Nematic Fluctuations in BaFe2(As1-xPx)2, Physical Review Letters 116 (2016) Nr. 10, S. 107202/1-5 URL

M.F. Iakovleva, E.L. Vavilova, H.-J. Grafe, A. Maljuk, S. Wurmehl, B. Buechner, V. Kataev:
Spin Dynamics and Ground State of the Frustrated Diamond Lattice Magnet CoAl2O4 as seen by 27Al NMR, Applied Magnetic Resonance 47 (2016) Nr. 7, S. 727-735 URL

Y. Krupskaya, M Schaepers, A.U.B. Wolter, H.-J. Grafe, E. Vavilova, A. Moeller, B. Buechner, V. Kataev:
Magnetic Resonance Study of the Spin-1/2 Quantum Magnet BaAg2Cu[VO4]2, Zeitschrift für Physikalische Chemie 231 (2016) Nr. 4, S. 759-776 URL

G. Lang, L. Veyrat, U. Graefe, F. Hammerath, D. Paar, G. Behr, S. Wurmehl, H.J. Grafe:
Spatial competition of the ground states in 1111 iron pnictides, Physical Review B 94 (2016) Nr. 1, S. 14514/1-17 URL

K. Manna, R. Sarkar, S. Fuchs, Y.A. Onykiienko, A.K. Bera, G. Aslan Cansever, S. Kamusella, A. Maljuk, C.G.F. Blum, L.T. Corredor, A.U.B. Wolter, S.M. Yusuf, M. Frontzek, L. Keller, M. Iakovleva, E. Vavilova, H.-J. Grafe, V. Kataev, H.-H. Klauss, D.S. Inosov, S. Wurmehl, B. Buechner:
Noncollinear antiferromagnetism of coupled spins and pseudospins in the double perovskite La2CuIrO6, Physical Review B 94 (2016), S. 144437/1-16 URL

P.K. Nag, R. Schlegel, D. Baumann, H.-J. Grafe, R. Beck, S. Wurmehl, B. Buechner, C. Hess:
Two distinct superconducting phases in LiFeAs, Scientific Reports 6 (2016), S. 27926/1-7 URL

D. Pelc, M. Vuckovic, H.-J. Grafe, S.-H. Baek, M. Pozek:
Unconventional charge order in a co-doped high-Tc superconductor, Nature Communications 7 (2016), S. 12775/1-7 URL

S.J. Singh, U. Graefe, R. Beck, A.U.B. Wolter, H. Grafe, C. Hess, S. Wurmehl, B. Buechner:
Physical properties optimization of polycrystalline LiFeAs, Physica C 529 (2016) Nr. 8, S. 8-20 URL

A. Surrey, C. Bonatto Minella, N. Fechler, M. Antonietti, H.-J. Grafe, L. Schultz, B. Rellinghaus:
Improved hydrogen storage properties of LiBH4 via nanoconfinement in micro- and mesoporous aerogel-like carbon, International Journal of Hydrogen Energy 41 (2016) Nr. 12, S. 5540-5548 URL

S.-H. Baek, Y. Utz, M. Huecker, G.D. Gu, B. Buechner, H.-J. Grafe:
Magnetic field induced anisotropy of La139 spin-lattice relaxation rates in stripe ordered La1.875Ba0.125CuO4, Physical Review B 92 (2015) Nr. 15, S. 155144/1-6 URL

A.P. Dioguardi, M.M. Lawson, B.T. Bush, J. Crocker, K.R. Shirer, D.M. Nisson, T. Kissikov, S. Ran, S.L. Bud'ko, P.C. Canfield, S. Yuan, P.L. Kuhns, A.P. Reyes, H.-J. Grafe, N.J. Curro:
NMR evidence for inhomogeneous glassy behavior driven by nematic fluctuations in iron arsenide superconductors, Physical Review B 92 (2015) Nr. 16, S. 165116/1-8 URL

H.-J. Grafe, W. Loeser, S. Schmitz, M. Sakaliyska, S. Wurmehl, S. Eisert, B. Reichenbach, J. Acker, A. Rietig, J. Ducke, T. Mueller:
NMR investigation of boron impurities in refined metallurgical grade silicon, Physica Status Solidi A 212 (2015) Nr. 9, S. 2031-2036 URL

M. Iakovleva, E. Vavilova, H.-J. Grafe, S. Zimmermann, A. Alfonsov, H. Luetkens, H.-H. Klauss, A. Maljuk, S. Wurmehl, B. Buechner, V. Kataev:
Ground state and low-energy magnetic dynamics in the frustrated magnet CoAl2O4 as revealed by local spin probes, Physical Review B 91 (2015) Nr. 14, S. 144419/1-11 URL

X. Lu, J. Deng, W. Si, X. Liu, B. Liu, L. Liu, S. Oswald, S. Baunack, H.J. Grafe, C. Yan, O.G. Schmidt:
High-Performance Li-O2 Batteries with Trilayered Pd/MnOx/Pd Nanomembranes, Advanced Science 2 (2015) Nr. 9, S. 1500113/1-6 URL

Y. Utz, F. Hammerath, S. Nishimoto, C. Hess, N. Sekhar Beesetty, R. Saint-Martin, A. Revcolevschi, B. Buechner, H.-J. Grafe:
Suppression of the impurity-induced local magnetism by the opening of a spin pseudogap in Ni-doped Sr2CuO3, Physical Review B 92 (2015) Nr. 6, S. 60405/1-5 URL

S.-H. Baek, L.M. Reinold, M. Graczyk-Zajacb, R. Riedel, F. Hammerath, B. Buechner, H.-J. Grafe:
Lithium dynamics in carbon-rich polymer-derived SiCN ceramics probed by nuclear magnetic resonance, Journal of Power Sources 253 (2014), S. 342-348 URL

S.-H. Baek, R. Klingeler, C. Neef, C. Koo, B. Buechner, H.-J. Grafe:
Unusual spin fluctuations and magnetic frustration in olivine and non-olivine LiCoPO4 detected by 31P and 7Li nuclear magnetic resonance, Physical Review B 89 (2014) Nr. 13, S. 134424/1-6 URL

K. Baroudi, C. Yim, H. Wu, Q. Huang, J.H. Roudebush, E. Vavilova, H.-J. Grafe, V. Kataev, B. Buechner, H. Ji, C. Kuo, Z. Hu, T.-W. Pi, C. Pao, J. Lee, D. Mikhailova, L.H. Tjeng, R.J. Cava:
Structure and propertie sof alpha--NaFeO2-type ternary sodium iridates, Journal of Solid State Chemistry 210 (2014), S. 195-205 URL

H.-J. Grafe, U. Graefe, A.P. Dioguardi, N.J. Curro, S. Aswartham, S. Wurmehl, B. Buechner:
Identical spin fluctuations in Cu- and Co- doped BaFe2As2 independent of electron doping, Physical Review B 90 (2014) Nr. 9, S. 94519/1-8 URL

F. Hammerath, E.M. Bruening, S. Sanna, Y. Utz, N.S. Beesetty, R. Saint-Martin, A. Revcolevschi, C. Hess, B. Buechner, H.-J. Grafe:
Spin gap in the single spin-12 chain cuprate Sr1.9Ca0.1CuO3, Physical Review B 89 (2014) Nr. 18, S. 184410/1-5 URL

K. Wang, A. Maljuk, C.G.F. Blum, T. Kolb, C. Jaehne, C. Neef, H.-J. Grafe, L. Giebeler, H. Wadepohl, H.-P. Meyer, S. Wurmehl, R. Klingeler:
Growth, characterization, and magnetic properties of a Li(Mn,Ni)PO4 single crystal, Journal of Crystal Growth 386 (2014) Nr. 16, S. 16-21 URL

S.-H. Baek, L. Harnagea, S. Wurmehl, B. Buechner, H.-J. Grafe:
Anomalous superconducting state in LiFeAs implied by the 75As Knight shift measurement, Journal of Physics: Condensed Matter 25 (2013) Nr. 16, S. 162204/1-5 URL

F. Hammerath, U. Graefe, T. Kuehne, H. Kuehne, P.L. Kuhns, A.P. Reyes, G. Lang, S. Wurmehl, B. Buechner, P. Carretta, H.-J. Grafe:
Progressive slowing down of spin fluctuations in underdoped LaFeAsO1-xFx, Physical Review B 88 (2013) Nr. 10, S. 104503/1-9 URL

G. Prando, S. Sanna, G. Lamura, T. Shiroka, M. Tropeano, A. Palenzona, H.-J. Grafe, B. Buechner, P. Carretta, R. De Renzi:
Phase separation at the magnetic–superconducting transition in La0.7Y0.3FeAsO1xFx, Physica Status Solidi B 250 (2013) Nr. 3, S. 599-602 URL

G. Prando, P. Bonfa, G. Profeta, R. Khasanov, F. Bernardini, M. Mazzani, E.M. Bruening, A. Pal, V.P.S. Awana, H.-J. Grafe, B. Buechner, R. De Renzi, P. Carretta, S. Sanna:
Common effect of chemical and external pressures on the magnetic properties of RCoPO (R = La, Pr), Physical Review B 87 (2013) Nr. 6, S. 64401/1-11 URL

C. Rudisch, H.-J. Grafe, J. Geck, S. Partzsch, M. v. Zimmermann, N. Wizent, R. Klingeler, B. Buechner:
Coupling of Li motion and structural distortions in olivine LiMnPO4 from 7Li and 31P NMR, Physical Review B 88 (2013) Nr. 5, S. 54303/1-9 URL

S.-H. Baek, H.-J. Grafe, F. Hammerath, M. Fuchs, C. Rudisch, L. Harnagea, S. Aswartham, S. Wurmehl, J. van den Brink, B. Buechner:
75As NMR-NQR study in superconducting LiFeAs, The European Physical Journal B 85 (2012), S. 159/1-10 URL

S.-H. Baek, A. Erb, B. Buechner, H.-J. Grafe:
139La NMR investigation in underdoped La1.93Sr0.07CuO4, Physical Review B 85 (2012) Nr. 18, S. 184508/1-6 URL

S.-H. Baek, T. Loew, V. Hinkov, C.T. Lin, B. Keimer, B. Buechner, H.-J. Grafe:
Evidence of a critical hole concentration in underdoped YBa2Cu3Oy single crystals revealed by 63Cu NMR, Physical Review B 86 (2012) Nr. 22, S. 220504(R)/ 1-5 URL

S.-H. Baek, K.-Y. Choi, H. Berger, B. Buechner, H.-J. Grafe:
Persistence of singlet fluctuations in the coupled spin tetrahedra system Cu2Te2O5Br2 revealed by high-field magnetization, 79Br NQR, and 125Te NMR, Physical Review B 86 (2012) Nr. 18, S. 180405(R)/ 1-4 URL

H.-J. Grafe:
Nuclear magnetic and quadrupole resonance studies of the stripes materials, Physica C 481 (2012), S. 93-100 URL

G. Prando, P. Carretta, R. De Renzi, S. Sanna, H.-J. Grafe, S. Wurmehl, B. Buechner:
Ac susceptibility investigation of vortex dynamics in nearly optimally doped RFeAsO1-xFx superconductors (R = La, Ce, Sm), Physical Review B 85 (2012) Nr. 14, S. 144522/1-9 URL

N. Qureshi, P. Steffens, Y. Drees, A.C. Komarek, D. Lamago, Y. Sidis, L. Harnagea, H.-J. Grafe, S. Wurmehl, B. Buechner, M. Braden:
Inelastic neutron-scattering measurements of incommensurate magnetic excitations on superconducting LiFeAs single crystals, Physical Review Letters 108 (2012) Nr. 11, S. 117001/1-5 URL

S.-H. Baek, H.-J. Grafe, L. Harnagea, S. Singh, S. Wurmehl, B. Buechner:
Pseudogap-like phase in Ca(Fe(1-x)Co(x))(2)As(2) revealed by (75)As NQR, Physical Review B 84 (2011) Nr. 9, S. 94510/1-5 URL

J. Crocker, A.P. Dioguardi, N. Roberts-Warren, A.C. Shockley, H.-J. Grafe, Z. Xu, J. Wen, G. Gu, N.J. Curro:
NMR studies of pseudogap and electronic inhomogeneity in Bi2Sr2CaCu2O8-delta, Physical Review B 84 (2011) Nr. 22, S. 224502/1-8 URL

V. Grinenko, K. Kikoin, S.-L. Drechsler, G. Fuchs, K. Nenkov, S. Wurmehl, F. Hammerath, G. Lang, H.-J. Grafe, B. Holzapfel, J. van den Brink, B. Buechner, L. Schultz:
As vacancies, local moments, and Pauli limiting in LaFeAs1-deltaO0.9F0.1 superconductors, Physical Review B 84 (2011) Nr. 13, S. 134516/1-10 URL

F. Hammerath, S. Nishimoto, H.-J. Grafe, A.U.B. Wolter, V. Kataev, P. Ribeiro, C. Hess, S.-L. Drechsler, B. Buechner:
Spin gap in the zigzag spin-1/2 chain cuprate Sr0.9Ca0.1CuO2, Physical Review Letters 107 (2011) Nr. 1, S. 17203/1-4 URL

G. Fuchs, S.-L. Drechsler, N. Kozlova, M. Bartkowiak, G. Behr, K. Nenkov, H.-H. Klauss, J. Freudenberger, M. Knupfer, F. Hammerath, G. Lang, H.-J. Grafe, B. Buechner, L. Schultz:
Evidence for Pauli-limiting behaviour at high fields and enhanced upper critical fields near T_c in several disordered FeAs based superconductors, Physica C 470 (2010) Nr. Supplement 1, S. S288-S290 URL

H.-J. Grafe, N.J. Curro, B.L. Young, A. Vyalikh, J. Vavilova, G.D. Gu, M. Huecker, B. Buechner:
Charge order and low frequency spin dynamics in lanthanum cuprates revealed by nuclear magnetic resonance, The European Physical Journal Special Topics 188 (2010) Nr. 1, S. 89-101 URL

F. Hammerath, S.-L. Drechsler, H.-J. Grafe, G. Lang, G. Fuchs, G. Behr, I. Eremin, M.M. Korshunov, B. Buechner:
Unusual disorder effects in superconducting LaFeAs1-O0.9F0.1 as revealed by 75As NMR spectroscopy, Physical Review B 81 (2010) Nr. 14, S. 140504(R)/1-4 URL

R. Klingeler, N. Leps, I. Hellmann, A. Popa, U. Stockert, C. Hess, V. Kataev, H.-J. Grafe, F. Hammerath, G. Lang, S. Wurmehl, G. Behr, L. Harnagea, S. Singh, B. Buechner:
Local antiferromagnetic correlations in the iron pnictide superconductors LaFeAsO1-xFx and Ca(Fe1-xCox)2As2 as seen via normal-state susceptibility, Physical Review B 81 (2010) Nr. 2, S. 24506/1-5 URL

G. Lang, H.-J. Grafe, F. Hammerath, K. Manthey, D. Paar, G. Behr, J. Werner, J. Hamann-Borrero, B. Buechner:
Probing of the charge distribution in iron pnictides, Physica C 470 (2010), S. S454-S455 URL

G. Lang, H.-J. Grafe, D. Paar, F. Hammerath, K. Manthey, G. Behr, J. Werner, B. Buechner:
Nanoscale electronic order in iron pnictides, Physical Review Letters 104 (2010) Nr. 9, S. 97001/1-4 URL

I. Morozov, A. Boltalin, O. Volkova, A. Vasiliev, O. Kataeva, U. Stockert, M. Abdel-Hafiez, D. Bombor, A. Bachmann, Harnage L., M. Fuchs, H.-J. Grafe, G. Behr, R. Klingeler, S. Borisenko, C. Hess, S. Wurmehl, B. Buechner:
Single crystal growth and characterization of superconducting LiFeAs, Crystal Growth and Design 10 (2010) Nr. 10, S. 4429-4432 URL

D. Paar, H.-J. Grafe, G. Lang, F. Hammerath, K. Manthey, G. Behr, J. Werner, B. Buechner:
NMR study of the electronic properties of superconducting LaO0.9F0.1FeAs, Physica C 470 (2010), S. S468-S469 URL

H.-J. Grafe, G. Lang, F. Hammerath, D. Paar, K. Manthey, K. Koch, H. Rosner, N.J. Curro, G. Behr, J. Werner, N. Leps, R. Klingeler, H.-H. Klauss, F. J. Litterst, B. Buechner:
Electronic properties of LaO1-xFxFeAs in the normal state probed by NMR/NQR, New Journal of Physics 11 (2009) Nr. 3, S. 35002/1-14 URL

H.-J. Grafe, F. Hammerath, A. Vyalikh, G. Urbanik, V. Kataev, T. Wolf, G. Khaliullin, B. Buechner:
Contrasting spin dynamics in Zn- and Ni-doped NdBa2Cu3O6+y single crystals from Cu nuclear quadrupole resonance: Evidence for correlations between antiferromagnetism and pseudogap effects, Physical Review B 77 (2008) Nr. 1, S. 14522/1-5 URL

H.-J. Grafe, D. Paar, G. Lang, N.J. Curro, G. Behr, J. Werner, J. Hamann-Borrero, C. Hess, N. Leps, R. Klingeler, B. Buechner:
75As NMR studies of superconducting LaFeAsO0.9F0.1, Physical Review Letters 101 (2008) Nr. 4, S. 47003/1-4 URL

A. Vyalikh, A. Wolter, S. Hampel, D. Haase, M. Ritschel, A. Leonhardt, H.-J. Grafe, A. Taylor, K. Kraemer, B. Buechner, R. Klingeler:
A carbon-wrapped nanoscaled thermometer for temperature control in biological environments, Nanomedicine 3 (2008) Nr. 3, S. 321-327 URL

H.-J. Grafe, F. Hammerath, T. Wolf, B. Buechner:
Cu nuclear quadrupole resonance study of NdBa2(Cu,Zn,Ni)3O7-delta, Physica C 460-462 (2007), S. 896-897 URL

A. Vyalikh, R. Klingeler, S. Hampel, D. Haase, M. Ritschel, A. Leonhardt, E. Borowiak-Palen, M. Ruemmeli, A. Bachmatiuk, R.J. Kalenczuk, H.-J. Grafe, B. Buechner:
A nanoscaled contactless thermometer for biological systems, Physica Status Solidi B 244 (2007) Nr. 11, S. 4092-4096 URL

H.-J. Grafe, N.J. Curro, M. Huecker, B. Buechner:
Nuclear-Magnetic-Resonance Evidence for Charge Inhomogeneity in Stripe Ordered La1.8-xEu0.2SrxCuO4, Physical Review Letters 96 (2006) Nr. 1, S. 17002/1-4 URL


Invited Talks

H.-J. Grafe:
Spin chains probed by Nuclear Magnetic Resonance: I. SrCuO2 and Sr2CuO3 II. LiCuSbO4, Seminar talk, University of Zagreb, Zagreb/ Croatia, 18.5.17 (2017)

H.-J. Grafe, F. Hammerath:
Impurity effects in S=1/2 Heisenberg spin chains as probed by nuclear magnetic resonance, 7th International Conference The New Generation in Strongly Correlated Electrons Systems 2016, International Centre for Theoretical Physics (ICTP) in Trieste/ Italy, 26.9.-30.9.16 (2016)

H.-J. Grafe:
NMR and NQR on iron pnictide superconductors, 2nd summer school on iron pnictides of the SPP1458, Storkow (Mark)/ Germany, 4.-8.4.16 (2016)

H.-J. Grafe:
Impurity effects in S=1/2 Heisenberg spin chains as probed by nuclear magnetic resonance, Seminar talk, Ecole Superieure de Physique et de Chimie Industrielles, ESPCI, 10 Rue Vauquelin, 75005 Paris/ France, 8.12.16 (2016)

H.-J. Grafe:
Spin fluctuations and inhomogeneities in iron pnictide superconductors as probed by NMR and NQR, Modern Development of Magnetic Resonance, Kazan/ Russia, 22.-26.9.15 (2015)

H.-J. Grafe:
Nuclear Magnetic Resonance in unconventional superconductors - and the role of inhomogeneites, Seminar talk, 3. Physikalisches Institut, Universitaet Stuttgart, Stuttgart/ Germany, 15.7.15 (2015)

H.-J. Grafe:
Determination of the local structure of high temperature superconductors by NMR and NQR, Seminar talk, Institut fuer Strukturphysik, TU Dresden, Dresden/ Germany, 12.5.15 (2015)

S. Wurmehl, L. Harnagea, S. Aswartham, I. Morozov, A. Wolter-Giraud, H.-J. Grafe, F. Steckel, U. Graefe, D. Bombor, C. Hess, B. Borisenko, B. Buechner:
Crystal growth and properties of pnictide superconductors, International Conference on Magnetic and Superconducting Materials (MSM), Antalya/ Turkey, 30.4.-3.5.15 (2015)

S. Wurmehl, C. Hess, H.-J. Grafe, V. Kataev, S. Borisenko, L. Harnegea, S. Aswartham, R. Beck, I. Morozov, F. Hammerath, F. Steckel, D. Bombor, D. Evtushinskiy, B. Buechner:
Pnictide superconductors-a crystal growth perspective, 14th International Union of Materials Research Societies-International Conference on Advanced Materials 2015 (IUMRS-ICAM), Jeju Island/ South Korea, 25.-29.10.15 (2015)

H.-J. Grafe:
Identical spin fluctuations in Cu- and Co-doped BaFe2As2, Workshop "NMR, mySR, Moessbauer spectroscopies in the study of Fe-based and other unconventional high-Tc superconductors" Dresden/ Germany, 17.7.14 (2014)

H.-J. Grafe:
Investigation of Li-ion battery materials by NMR, Seminar talk, Technische Universitaet Darmstadt, Darmstadt/ Germany, 18.6.14 (2014)

H.-J. Grafe:
Nuclear Magnetic Resonance on S = 1/2 Heisenberg Spin Chains under the Impact of Impurities, Seminar talk, University of California, Davis/ USA, 24.4.14 (2014)

H.-J. Grafe:
New NMR results in the prototypical high temperature superconductors La2-xSrxCuO4 and YBa2Cu3Oy, Seminarvortrag im Rahmen des SoleNeMaR - Projektes, Universitaet Zagreb/ Kroatien, 25.-29.6.12 (2012)

H.-J. Grafe:
Nuclear magnetic resonance study of pure and Ni/Co doped LiFeAs, 477. WE-Heraeus-Seminar "Unconventional Superconductivity", Bad Honnef, 11.-13.4.11 (2011)

H.-J. Grafe, G. Lang, F. Hammerath, S.-H. Beak, B. Buechner:
NMR studies of the new iron pnictide superconductors, Recent Advances in Broad-band Solid-state NMR of Correlated Electronic Systems, Trogir/ Kroatien, 5.-10.9.10 (2010)

H.-J. Grafe, G. Lang, F. Hammerath, K. Manthey, M. Fuchs, D. Paar, B. Buechner:
NMR studies of the new iron pnictide superconductors, CIMTEC 2010, 5th Forum on New Materials, Montecatini Terme/ Italien, 13.-18.6.10 (2010)

H.-J. Grafe, G. Lang, F. Hammerath, K. Manthey, D. Paar, B. Buechner:
NMR studies of superconducting LaO1-xFxFeAs, Kick-off meeting of the SOLeNeMaR EU project of the Department of Physics, University of Zagreb/ Croatia, 19.-20.3.09 (2009)

H.-J. Grafe, F. Hammerath, D. Paar, G. Urbanik, V. Kataev, T. Wolf, G. Khaliullin, B. Buechner:
Nuclear magnetic resonance evidence for correlations between antiferromagnetism and pseudogap effects in Zn- and Ni-doped (Eu,Nd)Ba2Cu3O6+y single crystals, International Conference Stripes'08, Erice, Sizilien/ Italy, 26.7.-1.8.08 (2008)

G. Lang, H.-J. Grafe, D. Paar, A. Wolter, F. Hammerath, K. Manthey, N. Curro, R. Klingeler, N. Leps, C. Hess, A. Kondrat, J.E., Behr, G. Hamann Borrero, J. Werner, A. Koehler, B. Buechner:
Electronic properties of iron pnictides as seen by NMR, International Conference on FeAs High Tc Superconducting Multilayers and Related Phenomena, Rom/ Italien, 9.-13.12.08 (2008)

H.-J. Grafe:
Local fluctuating charge order in the stripe ground state of La(1,8-x)Eu0,2SrxCuO4, NMR-Seminar der NMR-Arbeitsgruppen im Raum Dresden, Leibniz-Institut fuer Polymerforschung Dresden, 29.1.04 (2004)