Prof. Dr. Lambert Alff

Contact

E-mail

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 La_xA_{2 - x}CrWO₆ 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 La_xA_2-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 La_2/3Ca_1/3MnO₃/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 La_2/3Ba_1/3MnO₃/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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