Heske, Clemens

Bär M.; Schubert B.-A.; Marsen B.; Wilks R. G.; Pookpanratana S.; Blum M.; Krause S.; Unold T.; Yang W.; Weinhardt L.; Heske C.; Schock H.-W.

Cliff-like conduction band offset and KCN-induced recombination barrier enhancement at the CdS/Cu2ZnSnS4 thin-film solar cell heterojunction

Bär M.; Schubert B.-A.; Marsen B.; Krause S.; Pookpanratana S.; Unold T.; Weinhardt L.; Heske C.; Schock H.-W.

Impact of KCN etching on the chemical and electronic surface structure of Cu2ZnSnS4 thin-film solar cell absorbers

Sullivan J. T.; Wilks R. G.; Winkler M. T.; Weinhardt L.; Recht D.; Said A. J.; Newman B. K.; Zhang Y.; Blum M.; Krause S.; Yang W. L.; Heske C.; Aziz M. J.; Bär M.; Buonassisi T.

Soft x-ray emission spectroscopy studies of the electronic structure of silicon supersaturated with sulfur

Bär M.; Schubert B.-A.; Marsen B.; Wilks R. G.; Pookpanratana S.; Blum M.; Krause S.; Unold T.; Yang W.; Weinhardt L.; Heske C.; Schock H.-W.

Cliff-like conduction band offset and KCN-induced recombination barrier enhancement at the CdS/Cu2ZnSnS4 thin-film solar cell heterojunction

Bär M.; Schubert B.-A.; Marsen B.; Krause S.; Pookpanratana S.; Unold T.; Weinhardt L.; Heske C.; Schock H.-W.

Impact of KCN etching on the chemical and electronic surface structure of Cu2ZnSnS4 thin-film solar cell absorbers

Sullivan J. T.; Wilks R. G.; Winkler M. T.; Weinhardt L.; Recht D.; Said A. J.; Newman B. K.; Zhang Y.; Blum M.; Krause S.; Yang W. L.; Heske C.; Aziz M. J.; Bär M.; Buonassisi T.

Soft x-ray emission spectroscopy studies of the electronic structure of silicon supersaturated with sulfur

Weinhardt L.; Fuchs O.; Batchelor D.; Bär M.; Blum M.; Denlinger J. D.; Yang W.; Schöll A.; Reinert F.; Umbach E.; Heske C.

Electron-hole correlation effects in core-level spectroscopy probed by the resonant inelastic soft x-ray scattering map of C60

Bär M.; Schubert B.-A.; Marsen B.; Krause S.; Pookpanratana S.; Unold T.; Weinhardt L.; Heske C.; Schock H.-W.

Native oxidation and Cu-poor surface structure of thin film Cu2ZnSnS4 solar cell absorbers

Weinhardt L.; Weigand M.; Fuchs O.; Bär M.; Blum M.; Denlinger J. D.; Yang W.; Umbach E.; Heske C.

Nuclear dynamics in the core-excited state of aqueous ammonia probed by resonant inelastic soft x-ray scattering

Bär M.; Schubert B.-A.; Marsen B.; Schorr S.; Wilks R. G.; Weinhardt L.; Pookpanratana S.; Blum M.; Krause S.; Zhang Y.; Yang W.; Unold T.; Heske C.; Schock H.-W.

Electronic structure of Cu2ZnSnS4 probed by soft x-ray emission and absorption spectroscopy

Zhang Y.; Gajjala G.; Hofmann T.; Weinhardt L.; Bär M.; Heske C.; Seelmann-Eggebert M.; Meisen P.

X-ray photoelectron spectroscopy study of the chemical interaction at the Pd/SiC interface

Pookpanratana S.; Liu X.; Paudel N. R.; Weinhardt L.; Bär M.; Zhang Y.; Ranasinghe A.; Khan F.; Blum M.; Yang W.; Compaan A. D.; Heske C.

Effects of postdeposition treatments on surfaces of CdTe/CdS solar cells

Pookpanratana S.; Repins I.; Bär M.; Weinhardt L.; Zhang Y.; Félix R.; Blum M.; Yang W.; Heske C.

CdS/Cu(In,Ga)Se2 interface formation in high-efficiency thin film solar cells

Bär M.; Wimmer M.; Wilks R. G.; Roczen M.; Gerlach D.; Ruske F.; Lips K.; Rech B.; Weinhardt L.; Blum M.; Pookpanratana S.; Krause S.; Zhang Y.; Heske C.; Yang W.; Denlinger J. D.

Impact of solid-phase crystallization of amorphous silicon on the chemical structure of the buried Si/ZnO thin film solar cell interface

Pookpanratana S.; France R.; Blum M.; Bell A.; Bär M.; Weinhardt L.; Zhang Y.; Hofmann T.; Fuchs O.; Yang W.; Denlinger J. D.; Mulcahy S.; Moustakas T. D.; Heske C.

Chemical structure of vanadium-based contact formation on n-AlN

Weinhardt L.; Bär M.; Pookpanratana S.; Morkel M.; Niesen T. P.; Karg F.; Ramanathan K.; Contreras M. A.; Noufi R.; Umbach E.; Heske C.

Sulfur gradient-driven Se diffusion at the CdS/CuIn(S,Se)2 solar cell interface

Bär M.; Barreau N.; Couzinié-Devy F.; Pookpanratana S.; Klaer J.; Blum M.; Zhang Y.; Yang W.; Denlinger J. D.; Schock H.-W.; Weinhardt L.; Kessler J.; Heske C.

Nondestructive depth-resolved spectroscopic investigation of the heavily intermixed In2S3/Cu(In,Ga)Se2 interface

Bär M.; Weinhardt L.; Marsen B.; Cole B.; Gaillard N.; Miller E.; Heske C.

Mo incorporation in WO3 thin film photoanodes: Tailoring the electronic structure for photoelectrochemical hydrogen production

Rusu M.; Bär M.; Lehmann S.; Sadewasser S.; Weinhardt L.; Kaufmann C. A.; Strub E.; Röhrich J.; Bohne W.; Lauermann I.; Jung Ch.; Heske C.; Lux-Steiner M. Ch.

Three-dimensional structure of the buffer/absorber interface in CdS/CuGaSe2 based thin film solar cells

Bär M.; Repins I.; Contreras M. A.; Weinhardt L.; Noufi R.; Heske C.

Chemical and electronic surface structure of 20%-efficient Cu(In,Ga)Se2 thin film solar cell absorbers

Fuchs O.; Weinhardt L.; Blum M.; Weigand M.; Umbach E.; Bär M.; Heske C.; Denlinger J.; Chuang Y.-D.; McKinney W.; Hussain Z.; Gullikson E.; Jones M.; Batson P.; Nelles B.; Follath R.

High-resolution, high-transmission soft x-ray spectrometer for the study of biological samples

Weinhardt L.; Fuchs O.; Fleszar A.; Bär M.; Blum M.; Weigand M.; Denlinger J. D.; Yang W.; Hanke W.; Umbach E.; Heske C.

Resonant inelastic soft x-ray scattering of CdS: A two-dimensional electronic structure map approach

Bär M.; Ahn K.-S.; Shet S.; Yan Y.; Weinhardt L.; Fuchs O.; Blum M.; Pookpanratana S.; George K.; Yang W.; Denlinger J. D.; Al-Jassim M.; Heske C.

Impact of air exposure on the chemical and electronic structure of ZnO:Zn3N2 thin films

Casu M. B.; Yu X.; Schmitt S.; Heske C.; Umbach E.

Influence of the preparation conditions on the morphology of perylene thin films on Si(111) and Si(100)

Bär M.; Nishiwaki S.; Weinhardt L.; Pookpanratana S.; Fuchs O.; Blum M.; Yang W.; Denlinger J. D.; Shafarman W. N.; Heske C.

Depth-resolved band gap in Cu(In,Ga)(S,Se)2 thin films

Pookpanratana S.; France R.; Bär M.; Weinhardt L.; Fuchs O.; Blum M.; Yang W.; Denlinger J. D.; Moustakas T. D.; Heske C.

Intermixing and chemical structure at the interface between n-GaN and V-based contacts

Bär M.; Weinhardt L.; Heske C.; Nishiwaki S.; Shafarman W. N.

Chemical structures of the Cu(In,Ga)Se2/Mo and Cu(In,Ga)(S,Se)2/Mo interfaces

Bär M.; Nishiwaki S.; Weinhardt L.; Pookpanratana S.; Shafarman W. N.; Heske C.

Electronic level alignment at the deeply buried absorber/Mo interface in chalcopyrite-based thin film solar cells

Fuchs O.; Zharnikov M.; Weinhardt L.; Blum M.; Weigand M.; Zubavichus Y.; Bär M.; Maier F.; Denlinger J. D.; Heske C.; Grunze M.; Umbach E.

Fuchs et al.; Reply

Fuchs O.; Grunze M.; Heske C.; Denlinger J. D.; Maier F.; Bär M.; Zubavichus Y.; Weigand M.; Blum M.; Weinhardt L.; Zharnikov M.; Umbach E.

Isotope and Temperature Effects in Liquid Water Probed by X-Ray Absorption and Resonant X-Ray Emission Spectroscopy

Weinhardt L.; Fuchs O.; Umbach E.; Heske C.; Fleszar A.; Hanke W.; Denlinger J. D.

Resonant inelastic soft x-ray scattering, x-ray absorption spectroscopy, and density functional theory calculations of the electronic bulk band structure of CdS

Weinhardt L.; Fuchs O.; Groß D.; Umbach E.; Heske C.; Dhere N. G.; Kadam A. A.; Kulkarni S. S.

Surface modifications of Cu(In,Ga)S2 thin film solar cell absorbers by KCN and H2O2/;H2SO4 treatments

Eich D.; Lugauer H.; Reuscher G.; Keim M.; Terminello L. J.; Franco N.; v. Buuren T.; Bostedt C.; Gross E. K. U.; Hanke W.; Fleszar A.; Heske C.; Umbach E.; Fink R.; Weinhardt L.; Groh U.; Fuchs O.; Waag A.

Resonant inelastic soft x-ray scattering of Be chalcogenides

Weinhardt L.; Fuchs O.; Peter A.; Umbach E.; Heske C.; Reichardt J.; Bär M.; Visbeck S.; Niesen T. P.; Lux-Steiner M. Ch.; Sokoll S.; Grimm A.; Kötschau I.; Lauermann I.; Karg F.

Spectroscopic investigation of the deeply buried Cu(In,Ga)(S,Se)2/;Mo interface in thin-film solar cells

Kumpf C.; Neder R. B.; Niederdraenk F.; Luczak P.; Stahl A.; Scheuermann M.; Joshi S.; Kulkarni S. K.; Barglik-Chory C.; Heske C.; Umbach E.

Structure determination of CdS and ZnS nanoparticles: Direct modeling of synchrotron-radiation diffraction data

Bär M.; Reichardt J.; Grimm A.; Niesen T. P.; Jung Ch.; Heske C.; Umbach E.; Weinhardt L.; Fischer Ch.-H.; Lux-Steiner M. C.; Sokoll S.; Rahne K.; Lauermann I.; Kötschau I.; Visbeck S.

Zn(O,OH) layers in chalcopyrite thin-film solar cells: Valence-band maximum versus composition

Odelius Michael; Ogasawara Hirohito; Nordlund Dennis; Fuchs Oliver; Weinhardt Lothar; Maier Florian; Umbach Eberhard; Heske Clemens; Zubavichus Yan; Grunze Michael; Denlinger Jonathan D.; Pettersson Lars G. M.; Nilsson Anders

Ultrafast Core-Hole-Induced Dynamics in Water Probed by X-Ray Emission Spectroscopy

Bär M.; Lehmann S.; Rusu M.; Grimm A.; Kötschau I.; Lauermann I.; Pistor P.; Sokoll S.; Schedel-Niedrig Th.; Lux-Steiner M. Ch.; Fischer Ch.-H.; Weinhardt L.; Heske C.; Jung Ch.

Cd²⁺/;NH3 treatment-induced formation of a CdSe surface layer on CuGaSe2 thin-film solar cell absorbers

Reichardt J.; Bär M.; Grimm A.; Kötschau I.; Lauermann I.; Sokoll S.; Lux-Steiner M. C.; Fischer Ch.-H.; Heske C.; Weinhardt L.; Fuchs O.; Jung Ch.; Gudat W.; Niesen T. P.; Karg F.

Inducing and monitoring photoelectrochemical reactions at surfaces and buried interfaces in Cu(In,Ga)(S,Se)2 thin-film solar cells

Weinhardt L.; Fuchs O.; Groß D.; Storch G.; Umbach E.; Dhere N. G.; Kadam A. A.; Kulkarni S. S.; Heske C.

Band alignment at the CdS/;Cu(In,Ga)S2 interface in thin-film solar cells

Plucinski L.; Johnson R. L.; Fleszar A.; Hanke W.; Weigand W.; Kumpf C.; Heske C.; Umbach E.; Schallenberg T.; Molenkamp L. W.

Valence-band electronic structure of ZnSe(001) thin films: Theory and experiment

Bostedt C.; van Buuren T.; Willey T. M.; Franco N.; Terminello L. J.; Heske C.; Möller T.

Strong quantum-confinement effects in the conduction band of germanium nanocrystals

Weinhardt L.; Heske C.; Umbach E.; Niesen T. P.; Visbeck S.; Karg F.

Band alignment at the i-ZnO/CdS interface in Cu(In,Ga)(S,Se)2 thin-film solar cells

Heske C.; Groh U.; Fuchs O.; Weinhardt L.; Umbach E.; Schedel-Niedrig Th.; Fischer Ch.-H.; Lux-Steiner M. Ch.; Zweigart S.; Niesen T. P.; Karg F.; Denlinger J. D.; Rude B.; Andrus C.; Powell F.

Monitoring chemical reactions at a liquid–solid interface; Water on ;CuIn(S,Se)2 thin film solar cell absorbers

Heske C.; Groh U.; Fuchs O.; Weinhardt L.; Umbach E.; Grün M.; Petillon S.; Dinger A.; Klingshirn C.; Szuszkiewicz W.; Fleszar A.

Studying the local chemical environment of sulfur atoms at buried interfaces in CdS/ZnSe superlattices

Franco N.; Ederer D. L.; Callcott T. A.; Pankratov O.; Heske C.; Van Buuren T.; Bostedt C.; Klepeis J. E.; Terminello L. J.

Experimental and theoretical electronic structure determination for PtSi

Gleim Th.; Weinhardt L.; Probst M.; Ammon Ch.; Richter B.; Fleszar A.; Waag A.; Landwehr G.; Hansen L.; Umbach E.; Heske C.; Fink R.; Schmidt Th.; Steinrück H.-P.

Influence of As passivation on the electronic level alignment at BeTe/Si(111) interfaces

Ethiraj Anita S.; Hebalkar Neha; Kulkarni S. K.; Pasricha Renu; Urban J.; Dem C.; Schmitt M.; Kiefer W.; Weinhardt L.; Joshi S.; Fink R.; Heske C.; Kumpf C.; Umbach E.

Enhancement of photoluminescence in manganese-doped ZnS nanoparticles due to a silica shell

Weinhardt L.; Gleim Th.; Fuchs O.; Heske C.; Umbach E.; Bär M.; Muffler H.-J.; Fischer Ch.-H.; Lux-Steiner M. C.; Zubavichus Y.; Niesen T. P.; Karg F.

CdS and Cd(OH)2 formation during Cd treatments of Cu(In,Ga)(S,Se)2 thin-film solar cell absorbers

Heske C.; Groh U.; Weinhardt L.; Fuchs O.; Holder B.; Umbach E.; Bostedt C.; Terminello L. J.; Zweigart S.; Niesen T. P.; Karg F.

Damp-heat induced sulfate formation in Cu(In,Ga)(S,Se)2-based thin film solar cells

Gleim Th.; Weinhardt L.; Schmidt Th.; Fink R.; Heske C.; Umbach E.; Grabs P.; Schmidt G.; Molenkamp L. W.; Richter B.; Fleszar A.; Steinrück H.-P.

Energy level alignment at zinc blende Cd(Mn)Se/ZnTe/InAs(100) interfaces

Morkel M.; Weinhardt L.; Lohmüller B.; Heske C.; Umbach E.; Riedl W.; Zweigart S.; Karg F.

Flat conduction-band alignment at the CdS/CuInSe2 thin-film solar-cell heterojunction

Chakraborty H. S.; Lindle D. W.; Heske C.; Sellin I. A.; Focke P.; Deshmukh P. C.; Hemmers O.; Hansen D. L.; Manson S. T.

Interchannel coupling in the photoionization of the M shell of Kr well above threshold: Experiment and theory

Gleim Th.; Heske C.; Umbach E.; Schumacher C.; Faschinger W.; Ammon Ch.; Probst M.; Steinrück H.-P.

Reduction of the ZnSe/GaAs(100) valence band offset by a Te interlayer

Kakar S.; Nelson A. J.; Treusch R.; Pagoria P.; Jiménez I.; van Buuren T.; Heske C.; Terminello L. J.

Electronic structure of the energetic material 1,3,5-triamino-2,4,6-trinitrobenzene

Chkoda L.; Heske C.; Sokolowski M.; Umbach E.

Improved band alignment for hole injection by an interfacial layer in organic light emitting devices

Arenholz E.; Kay A. W.; Fadley C. S.; Grush M. M.; Callcott T. A.; Ederer D. L.; Heske C.; Hussain Z.

Multiatom resonant photoemission observed via secondary processes: Auger decay and x-ray fluorescence

Heske C.; Eich D.; Fink R.; Umbach E.; Kakar S.; van Buuren T.; Bostedt C.; Terminello L. J.; Grush M. M.; Callcott T. A.; Himpsel F. J.; Ederer D. L.; Perera R. C. C.; Riedl W.; Karg F.

Localization of Na impurities at the buried CdS/Cu(In, Ga)Se;2 heterojunction

Hansen D. L.; Hemmers O.; Wang H.; Lindle D. W.; Focke P.; Sellin I. A.; Heske C.; Chakraborty H. S.; Deshmukh P. C.; Manson S. T.

Validity of the independent-particle approximation in x-ray photoemission: The exception, not the rule

Muramatsu Yasuji; Underwood James H.; Heske Clemens; Ederer David L.; Callcott Thomas A.; Grush Melissa M.; Hayashi Takayoshi; Delaunay Jean J.; Motoyama Muneyuki; Kaneyoshi Takahiro; Kamijo Eiji; Aoi Yoshifumi; Tani Youji; Perera Rupert C. C.

High-resolution soft X-ray emission spectra of crystalline carbon nitride films deposited by electron cyclotron resonance sputtering

Treusch R.; Fox G.; Pakbaz K.; Lee H. W.; Dinh V. V.; van Buuren T.; Heske C.; Terminello L. J.; Kakar S.; Himpsel F. J.; Jiménez I.

X-ray photoemission and photoabsorption of organic electroluminescent materials

Heske C.; Eich D.; Fink R.; Umbach E.; van Buuren T.; Bostedt C.; Terminello L. J.; Kakar S.; Grush M. M.; Callcott T. A.; Himpsel F. J.; Ederer D. L.; Perera R. C. C.; Riedl W.; Karg F.

Observation of intermixing at the buried CdS/Cu(In, Ga)Se;2 thin film solar cell heterojunction

Heske C.; Treusch R.; Himpsel F. J.; Kakar S.; Terminello L. J.; Weyer H. J.; Shirley E. L.

Band widening in graphite

Ade H.; Winesett D. A.; Smith A. P.; Anders S.; Stammler T.; Heske C.; Slep D.; Rafailovich M. H.; Sokolov J.; Stöhr J.

Bulk and surface characterization of a dewetting thin film polymer bilayer

Curioni A.; Andreoni W.; Treusch R.; Himpsel F. J.; Haskal E.; Seidler P.; Heske C.; Kakar S.; van Buuren T.; Terminello L. J.

Atom-resolved electronic spectra for Alq3 from theory and experiment

Heske C.; Winkler U.; Eich D.; Fink R.; Umbach E.; Jung Ch.; Bressler P. R.

Formation of the Zn/CdTe(100) interface: Interdiffusion, segregation, and Cd-Zn exchange studied by photoemission

Heske C.; Richter G.; Chen Zhonghui; Fink R.; Umbach E.; Riedl W.; Karg F.

Influence of Na and H2O on the surface properties of Cu(In,Ga)Se2 thin films

Heske C.; Jung Ch.; Umbach E.; Fink R.; Winkler U.; Bressler P. R.

Segregation and interdiffusion effects during the formation of the Mn/Cd(Zn)Te(100) interface

Heske C.; Winkler U.; Held G.; Fink R.; Umbach E.; Jung Ch.; Bressler P. R.; Hellwig Ch.

Surface core-level shifts of the polar semiconductor Cd(Zn)Te(100)

Heske C.; Winkler U.; Neureiter H.; Sokolowski M.; Fink R.; Umbach E.; Jung Ch.; Bressler P. R.

Preparation and termination of well-defined CdTe(100) and Cd(Zn)Te(100) surfaces

Heske C.; Fink R.; Umbach E.; Riedl W.; Karg F.

Na‐induced effects on the electronic structure and composition of Cu(In,Ga)Se;2 thin‐film surfaces