Contact

Fecher, Gerhard
Gerhard Fecher
Senior Chief Research Officer
Phone: +49 351 4646-2240
Fax: +49 351 4646-3002

Physics, Electronic structure

Publications

1.
Siham Ouardi, Gerhard H. Fecher, Takahide Kubota, Shigemi Mizukami, Eiji Ikenaga, Tetsuya Nakamura, and Claudia Felser, "Magnetic dichroism study on Mn1.8Co1.2Ga thin film using a combination of x-ray absorption and photoemission spectroscopy," Journal of Physics D: Applied Physics 48, 1-11 (2015).
2.
Fetzer, R.; Ouardi, S.; Honda, Y.; Liu, H.-x.; Chadov, S.; Balke, B.; Ueda, S.; Suzuki, M.; Uemura, T.; Yamamoto, M. et al.; Aeschlimann, M.; Cinchetti, M.; Fecher, G. H.; Felser, C.: Spin-resolved low-energy and hard x-ray photoelectron spectroscopy of off-stoichiometric Co2MnSi Heusler thin films exhibiting a record TMR. Journal of Physics D: Applied Physics 48, 164002, pp. 1 - 12 (2015)
3.
Meshcheriakova, O.; Köhler, A.; Ouardi, S.; Kondo, Y.; Kubota, T.; Shekhar, C.; Karel, J.; Barbosa, C. V.; Stinshoff, R.; Sahoo, R. et al.; Ueda, S.; Ikenaga, E.; Mizukami, S.; Chadov, S.; Ebke, D.; Fecher, G. H.; Felser, C.: Structural, electronic, and magnetic properties of perpendicularly magnetised Mn2RhSn thin films. Journal of Physics D: Applied Physics 48, 164008, pp. 1 - 8 (2015)
4.
ViolBarbosa, C. E.; Ouardi, S.; Kubota, T.; Mizukami, S.; Fecher, G. H.; Miyazaki, T.; Ikenaga, E.; Felser, C.: Forward scattering in hard X-ray photoelectron spectroscopy: Structural investigation of buried Mn-Ga films. Applied Physics Letters 106 (5), 052402, pp. 1 - 5 (2015)
5.
ViolBarbosa, C. E.; Ouardi, S.; Kubota, T.; Mizukami, S.; Fecher, G. H.; Miyazaki, T.; Kozina, X.; Ikenaga, E.; Felser, C.: Investigation of the Mn3-δ Ga/MgO interface for magnetic tunneling junctions. Journal of Applied Physics 116 (3), 034508, pp. 1 - 4 (2014)
6.
Karel, J.; ViolBarbosa, C. E.; Kiss, J.; Jeong, J.; Aetukuri, N.; Samant, M. G.; Kozina, X.; Ikenaga, E.; Fecher, G. H.; Felser, C. et al.; Parkin, S. S. P.: Distinct Electronic Structure of the Electrolyte Gate-Induced Conducting Phase in Vanadium Dioxide Revealed by High-Energy Photoelectron Spectroscopy. ACS Nano 8 (6), pp. 5784 - 5789 (2014)
7.
Kozina, X.; Karel, J.; Ouardi, S.; Chadov, S.; Fecher, G. H.; Felser, C.; Stryganyuk, G.; Balke, B.; Ishikawa, T.; Uemura, T. et al.; Yamamoto, M.; Ikenaga, E.; Ueda, S.; Kobayashi, K.: Probing the electronic states of high-TMR off-stoichiometric Co2MnSi thin films by hard x-ray photoelectron spectroscopy. Physical Review B 89 (12), 125116, pp. 1 - 10 (2014)
8.
ViolBarbosa, C. E.; Shekhar, C.; Yan, B.; Ouardi, S.; Ikenaga, E.; Fecher, G. H.; Felser, C.: Direct observation of band bending in the topological insulator Bi2Se3. Physical Review B 88 (19), 195128, pp. 195128-1 - 195128-4 (2013)
9.
Ouardi, S.; Fecher, G. H.; Felser, C.: Bulk electronic structure studied by hard X-ray photoelectron spectroscopy of the valence band: The case of intermetallic compounds. Journal of Electron Spectroscopy and Related Phenomena 190, pp. 249 - 267 (2013)
10.
ViolBarbosa, C. E.; Ouardi, S.; Fecher, G. H.; Ebke, D.; Felser, C.: Magnetic dichroism in angular resolved hard X-ray photoelectron spectroscopy from buried magnetic layers. Journal of Electron Spectroscopy and Related Phenomena 189, pp. 146 - 151 (2013)
11.
Shan, R.; Ouardi, S.; Fecher, G. H.; Gao, L.; Kellock, A.; Roche, K. P.; Samant, M. G.; ViolBarbosa, C. E.; Ikenaga, E.; Felser, C. et al.; Parkin, S. S. P.: Electronic and crystalline structures of zero band-gap LuPdBi thin films grown epitaxially on MgO(100). Applied Physics Letters 102, 172401, pp. 172401-1 - 172401-4 (2013)
12.
Ouardi, S.; Fecher, G. H.; Chadov, S.; Balke, B.; Kozina, X.; Felser, C.; Taira, T.; Yamamoto, M.: Hard X-ray photoelectron spectroscopy on buried, off-stoichiometric CoxMnyGez (x: z = 2: 0.38) Heusler thin films. Applied Physics A 111 (2), pp. 395 - 405 (2013)
13.
Shan, R.; Ouardi, S.; Fecher, G. H.; Gao, L.; Kellock, A.; Gloskovskii, A.; Viol Barbosa, C. E.; Ikenaga, E.; Felser, C.; Parkin, S. S. P.: A p-type Heusler compound: Growth, structure, and properties of epitaxial thin NiYBi films on MgO(100). Applied Physics Letters 101 (21), 212102, pp. 212102-1 - 212102-4 (2012)
14.
Shekhar, C.; Ouardi, S.; Fecher, G. H.; Nayak, A. K.; Felser, C.; Ikenaga, E.: Electronic structure and linear magnetoresistance of the gapless topological insulator PtLuSb. Applied Physics Letters 100 (25), 252109, pp. 252109-1 - 252109-4 (2012)
15.
Ouardi, S.; Kubota, T.; Fecher, G. H.; Stinshoff, R.; Mizukami, S.; Miyazaki, T.; Ikenaga, E.; Felser, C.: Stoichiometry dependent phase transition in Mn-Co-Ga-based thin films: From cubic in-plane, soft magnetized to tetragonal perpendicular, hard magnetized. Applied Physics Letters 101 (24), 247206, pp. 1 - 3 (2012)
16.
Gloskovskii, A.; Jenkins, C. A.; Ouardi, S.; Balke, B.; Fecher, G. H.; Dai, X. -.; Gruhn, T.; Johnson, B.; Lauermann, I.; Caballero, R. et al.; Kaufmann, C. A.; Felser, C.: Hard x-ray photoelectron spectroscopy of chalcopyrite solar cell components. Applied Physics Letters 100 (9), 092108, pp. 1 - 3 (2012)
 
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