Prof. Dr. Lambert Alff

Contact
http://www.mawi.tu-darmstadt.de/
Assignments
  • Alumnus/Alumna: Magnetism and Spintronics
  • Alumnus/Alumna: High-Tc-Superconductivity
IDs

 

Lambert Alff was member of the Gross group at the University of Cologne between 1996 and 2000 und at WMI between 2001 and 2005.

Ph.D. Thesis: Josephson-Vortex Flow Transistor, Charge Transport and Proximity Effect at Interfaces between High Temperature Superconductors and Normal Metals (1995)

Habilitation Thesis: Symmetrie des  Ordnungsparameters in loch- und elektronendotierten Kupratsupraleitern (2000)

 

Publications of Prof. Dr. Lambert Alff

2006

Electron doping in the double perovskite LaxA2 - xCrWO6 with A = Sr and Ca
Research Article | Journal of Applied Physics 99, 08J102  (2006)
S. Geprägs, P. Majewski, R. Gross, C. Ritter & L. Alff

2005

Epitaxial growth of electron doped double perovskites LaxA2-xCrWO6 with A=Sr and Ca
Research Article | Journal of Magnetism and Magnetic Materials 290--291, 1154-1157  (2005)
P. Majewski, S. Geprägs, A. Boger, M. Opel, L. Alff & R. Gross
Ferromagnetism in Mn-doped ZnO due to impurity bands
Research Article | Superlattices and Microstructures 37, 327-332  (2005)
K.-W. Nielsen, J.B. Philipp, M. Opel, A. Erb, J. Simon, L. Alff & R. Gross
Magnetic moments of W 5d in Ca2CrWO6 and Sr2CrWO6 double perovskites
Research Article | Physical Review B 72, 132402  (2005)
P. Majewski, S. Geprägs, A. Boger, M. Opel, A. Erb, R. Gross, G. Vaitheeswaran, V. Kanchana, A. Delin, F. Wilhelm, A. Rogalev & L. Alff
Structure and Transport Properties of Coherently Strained La2/3Ca1/3MnO3/SrTiO3 Superlattices
Research Article | physica status solidi (b) 242, 1545-1560  (2005)
Yafeng Lu, J. Klein, F. Herbstritt, J. B. Philipp, A. Marx, L. Alff, R. Gross & H. Zhang
X-ray magnetic circular dichroism study of Re 5d magnetism in Sr2CrReO6
Research Article | Applied Physics Letters 87, 202503  (2005)
P. Majewski, S. Geprägs, O. Sanganas, M. Opel, R. Gross, F. Wilhelm, A. Rogalev & L. Alff

2004

Hall effect, magnetization, and conductivity of Fe3O4 epitaxial thin films
Research Article | Applied Physics Letters 85, 4980-4982  (2004)
D. Reisinger, P. Majewski, M. Opel, L. Alff & R. Gross
High resolution depth profiling of thin STO in high-k oxide material
Research Article | APPLIED SURFACE SCIENCE 231, 598-602  (2004)
U. Ehrke, A. Sears, L. Alff, D. Reisinger
Magnetoresistance and magnetic properties of the double perovskites
Research Article | Acta Physica Polonica A 105, 7-26  (2004)
J.B. Philipp, P. Majewski, D. Reisinger, S. Geprags, M. Opel, A. Erb, L. Alff, R. Gross

2003

A hidden pseudogap under the ''dome'' of superconductivity in electron-doped high-temperature superconductors
Research Article | Nature 422, 698-701  (2003)
L. Alff, Y. Krockenberger, B. Welter, M. Schonecke, R. Gross, D. Manske, M. Naito
Biaxial strain and orbital order in La2/3Ca1/3MnO3 thin films
Research Article | PHYSICA B-Condensed Matter 329, 965-966  (2003)
L. Alff, J.B. Philipp, D. Reisinger, R. Gross, G. Carbone, A. Vigliante, E. Klein
Epitaxial growth and transport properties of Sr2CrWO6 thin films
Research Article | Journal of Applied Physics 93, 6853-6855  (2003)
J.B. Philipp, D. Reisinger, M. Schonecke, M. Opel, A. Marx, A. Erb, L. Alff, and R. Gross
Epitaxy of Fe3O4 on Si(001) by pulsed laser deposition using a TiN/MgO buffer layer
Research Article | Journal of Applied Physics 94, 1857-1863  (2003)
D. Reisinger, M. Schonecke, T. Brenninger, M. Opel, A. Erb, L. Alff, and R. Gross
Orbital order and anisotropic transport properties in doped manganites induced by epitaxial coherency strain
Research Article | Journal of Applied Physics 93, 7373-7375  (2003)
J. Klein, J. B. Philipp, D. Reisinger, M. Opel, A. Marx, A. ErbL. Alff, and R. Gross
Structural and doping effects in the half-metallic double perovskite A2CrWO6
Research Article | Physical Review B 68, 144431  (2003)
J. B. Philipp, P. Majewski, L. Alff, A. Erb, R. Gross, T. Graf, M. S. Brandt, J. Simon, T. Walther, W. Mader, D. Topwal, D. D. Sarma
Sub-unit cell layer-by-layer growth of Fe3O4, MgO, and Sr2RuO4 thin films
Research Article | Applied Physics 77, 619-621  (2003)
D. Reisinger, B. Blass, J. Klein, J. B. Philipp, M. Schonecke, A. Erb, L. Alff, and R. Gross

2002

Spin dependent transport in the double perovskite Sr2CrWO6
Research Article | Applied Physics Letters 79, 3654-3656  (2002)
J. B. Philipp, J. Klein, D. Reisinger, M. Schonecke, A. Marx, A. Erb, L. Alff, R. Gross
Structure of coherently strained films of doped manganites
Research Article | physica status solidi (a) 189, 617-620  (2002)
J. Klein, J. B. Philipp, D. Reisinger, L. Alff, R. Gross

2001

Heteroepitaxial growth of high-temperature superconductors and doped manganites in ramp type geometry
Research Article | PHYSICA C 350, 237-243  (2001)
U. Schoop, M. Schonecke, S. Thienhaus, F. Herbstritt, J. Klein, L. Alff, R. Gross
Phase sensitive measurements of the superconducting order parameter in hole and electron doped HTS
Research Article | PHYSICA C 357, 309-312  (2001)
L. Alff, B. Welter, S.Kleefisch, A. Marx, R. Gross
Possible pseudogap behavior of electron-doped high-temperature superconductors
Research Article | Physical Review B 63, -  (2001)
S. Kleefisch, B. Welter, A. Marx, L. Alff, R. Gross, M. Naito
Pseudogap like tunneling spectra in electron doped high-temperature superconductors
Research Article | PHYSICA C 357, 134-137  (2001)
L. Alff, S. Kleefisch, B. Welter, A. Marx, R. Gross, M. Naito
Role of ion beam etching in the fabrication of ramp-type junctions
Research Article | PHYSICA C 351, 200-214  (2001)
U. Schoop, M. Schonecke, S. Thienhaus, S. Schymon, L. Alff, R. Gross
Transport and noise characteristics of submicron high-temperature superconductor grain boundary junctions
Research Article | Applied Physics Letters 78, 955-957  (2001)
F. Herbstritt, T. Kemen, L. Alff, A. Marx, R. Gross

2000

Magnetoresistance of coherently strained La2/3Ba1/3MnO3/SrTiO3 superlattices
Research Article | Physical Review B 62, 15806-15814  (2000)
Yafeng Lu, J. Klein, C. Hofener, B. Wiedenhorst, J.B. Philipp, F. Herbstritt, A. Marx, L. Alff, R. Gross
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