First direct observation of Dirac fermions in graphite SY Zhou, GH Gweon, J Graf, AV Fedorov, CD Spataru, RD Diehl, ...
Nature physics 2 (9), 595-599, 2006
697 2006 An unusual isotope effect in a high-transition-temperature superconductor GH Gweon, T Sasagawa, SY Zhou, J Graf, H Takagi, DH Lee, A Lanzara
Nature 430 (6996), 187-190, 2004
394 2004 Universal high energy anomaly in the angle-resolved photoemission spectra of high temperature superconductors: Possible evidence of spinon and holon branches J Graf, GH Gweon, K McElroy, SY Zhou, C Jozwiak, E Rotenberg, A Bill, ...
Physical review letters 98 (6), 067004, 2007
259 2007 Nodal quasiparticle meltdown in ultrahigh-resolution pump–probe angle-resolved photoemission J Graf, C Jozwiak, CL Smallwood, H Eisaki, RA Kaindl, DH Lee, ...
Nature Physics 7 (10), 805-809, 2011
156 2011 Bond stretching phonon softening and kinks in the angle-resolved photoemission spectra of optimally doped Bi 2 Sr 1.6 La 0.4 Cu 2 O 6+ δ superconductors J Graf, M d’Astuto, C Jozwiak, DR Garcia, NL Saini, M Krisch, K Ikeuchi, ...
Physical Review Letters 100 (22), 227002, 2008
107 2008 A high-efficiency spin-resolved photoemission spectrometer combining time-of-flight spectroscopy with exchange-scattering polarimetry C Jozwiak, J Graf, G Lebedev, N Andresen, AK Schmid, AV Fedorov, ...
Review of Scientific Instruments 81 (5), 2010
79 2010 Vacuum space charge effect in laser-based solid-state photoemission spectroscopy J Graf, S Hellmann, C Jozwiak, CL Smallwood, Z Hussain, RA Kaindl, ...
Journal of applied physics 107 (1), 2010
77 2010 Coexistence of sharp quasiparticle dispersions and disorder features in graphite SY Zhou, GH Gweon, CD Spataru, J Graf, DH Lee, SG Louie, A Lanzara
Physical Review B 71 (16), 161403, 2005
77 2005 Elastic scattering susceptibility of the high temperature superconductor Bi 2 Sr 2 CaCu 2 O 8+ δ: a comparison between real and momentum space photoemission spectroscopies K McElroy, GH Gweon, SY Zhou, J Graf, S Uchida, H Eisaki, H Takagi, ...
Physical review letters 96 (6), 067005, 2006
69 2006 Interface coupling transition in a thin epitaxial antiferromagnetic film interacting with a ferromagnetic substrate M Finazzi, A Brambilla, P Biagioni, J Graf, GH Gweon, A Scholl, A Lanzara, ...
Physical review letters 97 (9), 097202, 2006
51 2006 Revealing Charge Density Wave Formation in the System by Angle Resolved Photoemission Spectroscopy DR Garcia, GH Gweon, SY Zhou, J Graf, CM Jozwiak, MH Jung, YS Kwon, ...
Physical review letters 98 (16), 166403, 2007
40 2007 Mapping the spin-dependent electron reflectivity of Fe and Co ferromagnetic thin films J Graf, C Jozwiak, AK Schmid, Z Hussain, A Lanzara
Physical Review B 71 (14), 144429, 2005
34 2005 Sharp optical-phonon softening near optimal doping in La 2− x Ba x CuO 4+ δ observed via inelastic x-ray scattering M d’Astuto, G Dhalenne, J Graf, M Hoesch, P Giura, M Krisch, P Berthet, ...
Physical Review B 78 (14), 140511, 2008
31 2008 Sharp optical-phonon softening near optimal doping in La 2− x Ba x CuO 4+ δ observed via inelastic x-ray scattering M d’Astuto, G Dhalenne, J Graf, M Hoesch, P Giura, M Krisch, P Berthet, ...
Physical Review B 78 (14), 140511, 2008
31 2008 Chemistry, pharmacology and safety of the macrocyclic lactones: milbemycin oxime. M Jung, A Saito, G Buescher, M Maurer, JF Graf
23 2002 Universal waterfall-like feature in the spectral function of high temperature superconductors J Graf, GH Gweon, A Lanzara
Physica C: Superconductivity and its applications 460, 194-197, 2007
21 2007 In-plane copper-oxygen bond-stretching mode anomaly in underdoped La 2− x Sr x Cu O 4+ δ measured with high-resolution inelastic x-ray scattering J Graf, M d’Astuto, P Giura, A Shukla, NL Saini, A Bossak, M Krisch, ...
Physical Review B 76 (17), 172507, 2007
20 2007 In-plane copper-oxygen bond-stretching mode anomaly in underdoped La 2− x Sr x Cu O 4+ δ measured with high-resolution inelastic x-ray scattering J Graf, M d’Astuto, P Giura, A Shukla, NL Saini, A Bossak, M Krisch, ...
Physical Review B 76 (17), 172507, 2007
20 2007 Direct observation of magnetic instabilities in NiO thin films epitaxially grown on Fe (0 0 1) L Duo, A Brambilla, P Biagioni, M Finazzi, A Scholl, GH Gweon, J Graf, ...
Surface science 600 (18), 4160-4165, 2006
15 2006 Bilayer splitting and c-axis coupling in bilayer manganites showing colossal magnetoresistance C Jozwiak, J Graf, SY Zhou, A Bostwick, E Rotenberg, H Zheng, ...
Physical Review B 80 (23), 235111, 2009
10 2009