Výsledky vyhledávání - "Toperverg, B. P."

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Growth modes of nanoparticle superlattice thin films

Autor: Mishra, D., Greving, D., Confalonieri, G. A. Badini, Perlich, J., Toperverg, B. P., Zabel, H., Petracic, O.

Publikováno v: Nanotechnology 25 (2014) 205602

We report about the fabrication and characterization of iron oxide nanoparticle thin film superlattices. The formation into different film morphologies is controlled by tuning the particle plus solvent-to-substrate interaction. It turns out that the

Externí odkaz: http://arxiv.org/abs/1307.4693

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Depth profile of the ferromagnetic order in a YBa$_2$Cu$_3$O$_7$ / La$_{2/3}$Ca$_{1/3}$MnO$_3$ superlattice on a LSAT substrate: a polarized neutron reflectometry study

Autor: Uribe-Laverde, M. A., Satapathy, D. K., Marozau, I., Malik, V. K., Das, S., Sen, K., Stahn, J., Rühm, A., Kim, J. -H., Keller, T., Devishvili, A., Toperverg, B. P., Bernhard, C.

Publikováno v: Phys. Rev. B 87, 115105 (2013)

Using polarized neutron reflectometry (PNR) we have investigated a YBa2Cu3O7(10nm)/La2/3Ca1/3MnO3(9nm)]10 (YBCO/LCMO) superlattice grown by pulsed laser deposition on a La0.3Sr0.7Al0.65Ta0.35O3 (LSAT) substrate. Due to the high structural quality of

Externí odkaz: http://arxiv.org/abs/1212.0986

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Magnetic proximity effect in $\mathbf{YBa_2Cu_3O_7/La_{2/3}Ca_{1/3}MnO_3}$ and $\mathbf{YBa_2Cu_3O_7/LaMnO_{3+\delta}}$ superlattices

Publikováno v: Phys. Rev. Lett. 108, 197201 (2012)

Using neutron reflectometry and resonant x-ray techniques we studied the magnetic proximity effect (MPE) in superlattices composed of superconducting YBa$_2$Cu$_3$O$_7$ (YBCO) and ferromagnetic-metallic (FM-M) La$_{0.67}$Ca$_{0.33}$MnO$_{3}$ (LCMO) o

Externí odkaz: http://arxiv.org/abs/1111.5772

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Competing magnetic interactions in exchange bias modulated films

Autor: Hamann, C., Toperverg, B. P., Theis-Bröhl, K., Wolff, M., Kaltofen, R., Mönch, I., McCord, J., Schultz, L.

The magnetization reversal in stripe-like exchange bias patterned $\rm Ni_{81}Fe_{19}/IrMn$ thin films was investigated by complementary inductive and high resolution magneto optical magnetometry, magneto optical Kerr microscopy, and polarized neutro

Externí odkaz: http://arxiv.org/abs/0911.0559

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Hyper-domains in exchange bias micro-stripe pattern

Autor: Theis-Broehl, K., Westphalen, A., Zabel, H., Ruecker, U., McCord, J., Hoeink, V., Schmalhorst, J., Reiss, G., Weis, T., Engel, D., Ehresmann, A., Toperverg, B. P.

A combination of experimental techniques, e.g. vector-MOKE magnetometry, Kerr microscopy and polarized neutron reflectometry, was applied to study the field induced evolution of the magnetization distribution over a periodic pattern of alternating ex

Externí odkaz: http://arxiv.org/abs/0803.2144

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Measuring Lateral Magnetic Structure in Thin Films Using Polarized Neutron Reflectometry

Autor: Lee, W. -T., Velthuis, S. G. E. te, Felcher, G. P., Klose, F., Gredig, T., Dahlberg, D., Toperverg, B. V.

Polarized neutron reflectometry (PNR) has long been applied to measure the magnetic depth profile of thin films. In recent years, interest has increased in observing lateral magnetic structures in a film. While magnetic arrays patterned by lithograph

Externí odkaz: http://arxiv.org/abs/cond-mat/0210124

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