Ollefs, K. : rechercher sur Z-Library

Le plus grand référentiel d'articles scientifiques au monde. 70,000,000+ d'articles gratuitement.

Don't use scam websites

Livres
Articles (52)
Les plus populaires
Liste
- Liste
- Tableau

1

Advanced spectroscopic synchrotron techniques to unravel the intrinsic properties of dilute magnetic oxides: the case of Co:ZnO

A. Ney, M. Opel, T. C. Kaspar, V. Ney, S. Ye, K. Ollefs, T. Kammermeier, S. Bauer, K. Nielsen, S. T. B. Goennenwein, M. H. Engelhard, S. Zhou, K. Potzger, J. Simon, W. Mader, S. M. Heald, J. C. Cezar,

Année:

2010

Langue:

english

Fichier:

PDF, 1.48 MB

english, 2010

2

Spin pumping damping and magnetic proximity effect in Pd and Pt spin-sink layers

Caminale, M., Ghosh, A., Auffret, S., Ebels, U., Ollefs, K., Wilhelm, F., Rogalev, A., Bailey, W. E.

Journal:

Physical Review B

Année:

2016

Langue:

english

Fichier:

PDF, 762 KB

english, 2016

3

Microwave soft x-ray microscopy for nanoscale magnetization dynamics in the 5–10 GHz frequency range

Bonetti, Stefano, Kukreja, Roopali, Chen, Zhao, Spoddig, Detlef, Ollefs, Katharina, Schöppner, Christian, Meckenstock, Ralf, Ney, Andreas, Pinto, Jude, Houanche, Richard, Frisch, Josef, Stöhr, Joachim

Journal:

Review of Scientific Instruments

Année:

2015

Langue:

english

Fichier:

PDF, 2.93 MB

english, 2015

4

Non-standing spin-waves in confined micrometer-sized ferromagnetic structures under uniform excitation

Pile, S., Feggeler, T., Schaffers, T., Meckenstock, R., Buchner, M., Spoddig, D., Zingsem, B., Ney, V., Farle, M., Wende, H., Ohldag, H., Ney, A., Ollefs, K.

Journal:

Applied Physics Letters

Année:

2020

Fichier:

PDF, 3.88 MB

2020

5

Limitations of measuring small magnetic signals of samples deposited on a diamagnetic substrate

A. Ney, T. Kammermeier, V. Ney, K. Ollefs, S. Ye

Journal:

Journal of Magnetism and Magnetic Materials

Année:

2008

Langue:

english

Fichier:

PDF, 647 KB

english, 2008

6

Element specific measurements of the structural properties and magnetism of

T. Kammermeier, V. Ney, S. Ye, K. Ollefs, T.C. Kaspar, S.A. Chambers, F. Wilhelm, A. Rogalev, A. Ney

Journal:

Journal of Magnetism and Magnetic Materials

Année:

2009

Langue:

english

Fichier:

PDF, 553 KB

english, 2009

7

Tuning the magnetic properties of films

V. Ney, S. Ye, T. Kammermeier, K. Ollefs, A. Ney, T.C. Kaspar, S.A. Chambers, F. Wilhelm, A. Rogalev

Journal:

Journal of Magnetism and Magnetic Materials

Année:

2010

Langue:

english

Fichier:

PDF, 454 KB

english, 2010

8

Gd-doped GaN studied with element specificity: Very small polarization of Ga, paramagnetism of Gd and the formation of magnetic clusters

A. Ney, T. Kammermeier, K. Ollefs, V. Ney, S. Ye, S. Dhar, K.H. Ploog, M. Röver, J. Malindretos, A. Rizzi, F. Wilhelm, A. Rogalev

Journal:

Journal of Magnetism and Magnetic Materials

Année:

2010

Langue:

english

Fichier:

PDF, 619 KB

english, 2010

9

Observation of the Onset of Magnetic Clustering in

S. Ye, V. Ney, T. Kammermeier, K. Ollefs, A. Ney, F. Wilhelm, A. Rogalev

Journal:

Journal of Superconductivity and Novel Magnetism

Année:

2010

Langue:

english

Fichier:

PDF, 572 KB

english, 2010

10

Anti-P. acnes Antibody in Comedonal Extracts.

Knop, Juergen, Ollefs, Karsten, Frosch, Peter J.

Journal:

The Journal of Investigative Dermatology

Année:

1983

Fichier:

PDF, 2.33 MB

1983

11

Magnetism of Co doped ZnO with Al codoping: Carrier-induced mechanisms versus extrinsic origins

Ney, A., Ney, V., Ye, S., Ollefs, K., Kammermeier, T., Kaspar, T., Chambers, S., Wilhelm, F., Rogalev, A.

Journal:

Physical Review B

Année:

2010

Langue:

english

Fichier:

PDF, 284 KB

english, 2010

12

Structural and magnetic analysis of epitaxial films of Gd-doped ZnO

Ney, V., Ye, S., Kammermeier, T., Ollefs, K., Wilhelm, F., Rogalev, A., Lebègue, S., da Rosa, A. L., Ney, A.

Journal:

Physical Review B

Année:

2012

Langue:

english

Fichier:

PDF, 1.20 MB

english, 2012

13

Element-Specific Magnetic Hysteresis of Individual 18 nm Fe Nanocubes

Kronast, Florian, Friedenberger, Nina, Ollefs, Katharina, Gliga, Sebastian, Tati-Bismaths, Logane, Thies, Ronja, Ney, Andreas, Weber, Ramona, Hassel, Christoph, Römer, Florian M., Trunova, Anastasia

Journal:

Année:

2011

Langue:

english

Fichier:

PDF, 3.05 MB

english, 2011

14

Structural, chemical and magnetic properties of secondary phases in Co-doped ZnO

Ney, A, Kovács, A, Ney, V, Ye, S, Ollefs, K, Kammermeier, T, Wilhelm, F, Rogalev, A, Dunin-Borkowski, R E

Journal:

New Journal of Physics

Année:

2011

Langue:

english

Fichier:

PDF, 1.77 MB

english, 2011

15

with High Structural Perfection

Ney, A., Ollefs, K., Ye, S., Kammermeier, T., Ney, V., Kaspar, T. C., Chambers, S. A., Wilhelm, F., Rogalev, A.

Journal:

Physical Review Letters

Année:

2008

Langue:

english

Fichier:

PDF, 805 KB

english, 2008

16

Structure, valence, and magnetism of Co-doped ZnO at the coalescence limit (invited)

Ney, A., Ney, V., Kieschnick, M., Wilhelm, F., Ollefs, K., Rogalev, A.

Journal:

Journal of Applied Physics

Année:

2014

Langue:

english

Fichier:

PDF, 798 KB

english, 2014

17

Role of preparation and implantation-related defects for the magnetic properties of Zn0.9Co0.1O epitaxial films

Ney, V., Lenz, K., Ollefs, K., Wilhelm, F., Rogalev, A., Ney, A.

Journal:

Journal of Applied Physics

Année:

2014

Langue:

english

Fichier:

PDF, 1.62 MB

english, 2014

18

Anisotropic paramagnetism of Co-doped ZnO epitaxial films

Ney, A., Kammermeier, T., Ollefs, K., Ye, S., Ney, V., Kaspar, T. C., Chambers, S. A., Wilhelm, F., Rogalev, A.

Journal:

Physical Review B

Année:

2010

Langue:

english

Fichier:

PDF, 1.05 MB

english, 2010

19

High-Resolution X-Ray Lensless Imaging by Differential Holographic Encoding

Zhu, Diling, Guizar-Sicairos, Manuel, Wu, Benny, Scherz, Andreas, Acremann, Yves, Tyliszczak, Tolek, Fischer, Peter, Friedenberger, Nina, Ollefs, Katharina, Farle, Michael, Fienup, James R., Stöhr, Jo

Journal:

Physical Review Letters

Année:

2010

Langue:

english

Fichier:

PDF, 2.38 MB

english, 2010

20

Element specific magnetic properties of Gd-doped GaN: Very small polarization of Ga and paramagnetism of Gd

Ney, A., Kammermeier, T., Ney, V., Ye, S., Ollefs, K., Manuel, E., Dhar, S., Ploog, K. H., Arenholz, E., Wilhelm, F., Rogalev, A.

Journal:

Physical Review B

Année:

2008

Langue:

english

Fichier:

PDF, 211 KB

english, 2008

21

Influence of the developing magnetic order on the transport properties of epitaxial Zn 1-x Co x O films

Ye, S, Ney, V, Kammermeier, T, Ollefs, K, Zhou, S, Schmidt, H, Ney, A

Journal:

Journal of Physics Conference Series

Année:

2010

Langue:

english

Fichier:

PDF, 610 KB

english, 2010

22

films

Ye, S., Ney, V., Kammermeier, T., Ollefs, K., Zhou, S., Schmidt, H., Wilhelm, F., Rogalev, A., Ney, A.

Journal:

Physical Review B

Année:

2009

Langue:

english

Fichier:

PDF, 506 KB

english, 2009

23

XAS and XMCD studies of magnetic properties modifications of Pt/Co/Au and Pt/Co/Pt trilayers induced by Ga + ions irradiation

Mazalski, Piotr, Sveklo, Iosif, Kurant, Zbigniew, Ollefs, Katharina, Rogalev, Andrei, Wilhelm, Fabrice, Fassbender, Juergen, Baczewski, Lech Tomasz, Wawro, Andrzej, Maziewski, Andrzej

Journal:

Journal of Synchrotron Radiation

Année:

2015

Langue:

english

Fichier:

PDF, 882 KB

english, 2015

24

Toward broad-band x-ray detected ferromagnetic resonance in longitudinal geometry

Ollefs, K., Meckenstock, R., Spoddig, D., Römer, F. M., Hassel, Ch., Schöppner, Ch., Ney, V., Farle, M., Ney, A.

Journal:

Journal of Applied Physics

Année:

2015

Langue:

english

Fichier:

PDF, 2.12 MB

english, 2015

25

Co-Doped ZnO Epitaxial Films: From a Brillouin-Like Paramagnet to a Phase-Separated Superparamagnetic Ensemble

Ney, V., Ye, S., Ollefs, K., Kammermeier, T., Wilhelm, F., Rogalev, A., Ney, A.

Journal:

Journal of Nanoscience and Nanotechnology

Année:

2010

Langue:

english

Fichier:

PDF, 972 KB

english, 2010

26

Effects of the Inhomogenous Co Doping on the Magnetoresistance of Zn1−xCoxO Epitaxial Films

Ye, Shuangli, Klar, Limei, Ney, Andreas, Ney, Verena, Kammermeier, Tom, Ollefs, Katharina, Liu, Feng, Wang, Gaofeng

Journal:

Journal of Nanoscience and Nanotechnology

Année:

2012

Langue:

english

Fichier:

PDF, 413 KB

english, 2012

27

Anti-P acnes antibody in comedonal extracts

Knop, J, Ollefs, K, Frosch, P J

Journal:

Plastic & Reconstructive Surgery

Année:

1985

Fichier:

PDF, 101 KB

1985

28

Magnetic ordering in magnetic shape memory alloy Ni-Mn-In-Co

Ollefs, K., Schöppner, Ch., Titov, I., Meckenstock, R., Wilhelm, F., Rogalev, A., Liu, J., Gutfleisch, O., Farle, M., Wende, H., Acet, M.

Journal:

Physical Review B

Année:

2015

Langue:

english

Fichier:

PDF, 415 KB

english, 2015

29

X-ray absorption spectroscopy in electrical fields: An element-selective probe of atomic polarization

Ney, V., Wilhelm, F., Ollefs, K., Rogalev, A., Ney, A.

Journal:

Physical Review B

Année:

2016

Langue:

english

Fichier:

PDF, 1.19 MB

english, 2016

30

giant magnetocaloric materials

Guillou, F., Ollefs, K., Wilhelm, F., Rogalev, A., Yaresko, A. N., Yibole, H., van Dijk, N. H., Brück, E.

Journal:

Physical Review B

Année:

2015

Langue:

english

Fichier:

PDF, 952 KB

english, 2015

31

hybrid interfaces

Valvidares, M., Dix, N., Isasa, M., Ollefs, K., Wilhelm, F., Rogalev, A., Sánchez, F., Pellegrin, E., Bedoya-Pinto, A., Gargiani, P., Hueso, L. E., Casanova, F., Fontcuberta, J.

Journal:

Physical Review B

Année:

2016

Langue:

english

Fichier:

PDF, 1.58 MB

english, 2016

32

Spin Hall magnetoresistance in a canted ferrimagnet

Ganzhorn, Kathrin, Barker, Joseph, Schlitz, Richard, Piot, Benjamin A., Ollefs, Katharina, Guillou, Francois, Wilhelm, Fabrice, Rogalev, Andrei, Opel, Matthias, Althammer, Matthias, Geprägs, Stephan,

Journal:

Physical Review B

Année:

2016

Langue:

english

Fichier:

PDF, 650 KB

english, 2016

33

X-ray magnetic circular dichroism measured at the Fe K -edge with a reduced intrinsic broadening: x-ray absorption spectroscopy versus resonant inelastic x-ray scattering measurements

Juhin, Amélie, Sainctavit, Philippe, Ollefs, Katharina, Sikora, Marcin, Filipponi, Adriano, Glatzel, Pieter, Wilhelm, Fabrice, Rogalev, Andrei

Journal:

Journal of Physics Condensed Matter

Année:

2016

Langue:

english

Fichier:

PDF, 2.15 MB

english, 2016

34

Magnetic and XMCD studies of Pr1−xSrxMnO3 manganite films

Samoshkina, Yu.E., Edelman, I.S., Stepanova, E.A., Neznakhin, D.S., Ollefs, K., Andreev, N.V., Chichkov, V.I.

Journal:

Journal of Magnetism and Magnetic Materials

Année:

2017

Langue:

english

Fichier:

PDF, 1.02 MB

english, 2017

35

Coalescence-driven magnetic order of the uncompensated antiferromagnetic Co doped ZnO

Ney, V., Henne, B., Lumetzberger, J., Wilhelm, F., Ollefs, K., Rogalev, A., Kovacs, A., Kieschnick, M., Ney, A.

Journal:

Physical Review B

Année:

2016

Langue:

english

Fichier:

PDF, 1.39 MB

english, 2016

36

Magnetic interactions in the Zn-Co-O system: tuning local structure, valence and carrier type from extremely Co doped ZnO to ZnCo2O4

Henne, Bastian, Ney, Verena, Ollefs, Katharina, Wilhelm, Fabrice, Rogalev, Andrei, Ney, Andreas

Journal:

Scientific Reports

Année:

2015

Langue:

english

Fichier:

PDF, 748 KB

english, 2015

37

in wurtzite Co:ZnO

Henne, Bastian, Ney, Verena, Lumetzberger, Julia, Ollefs, Katharina, Wilhelm, Fabrice, Rogalev, Andrei, Ney, Andreas

Journal:

Physical Review B

Année:

2017

Langue:

english

Fichier:

PDF, 1006 KB

english, 2017

38

Engineering the magnetic anisotropy of an ultrathin Co layer sandwiched between films of Mo or Au

Wawro, A, Kurant, Z, Tekielak, M, Nawrocki, P, Milińska, E, Pietruczik, A, Wójcik, M, Mazalski, P, Kanak, J, Ollefs, K, Wilhelm, F, Rogalev, A, Maziewski, A

Journal:

Journal of Physics D Applied Physics

Année:

2017

Langue:

english

Fichier:

PDF, 3.64 MB

english, 2017

39

Magnetic Proximity Effect Free Spin Hall Magnetoresistance in YIG∖Pd

d’Allivy Kelly, O., Collet, M., Jacquet, E., Mattana, R., Petroff, F., Bortolotti, P., Cros, V., Anane, A., Wilhelm, F., Ollefs, K., Rogalev, A.

Journal:

Année:

2017

Langue:

english

Fichier:

PDF, 696 KB

english, 2017

40

Co and Cu co-doped ZnO epitaxial films—A magnetically soft nano-composite

Ney, V., Venkataraman, V., Henne, B., Ollefs, K., Wilhelm, F., Rogalev, A., Ney, A.

Journal:

Journal of Applied Physics

Année:

2016

Langue:

english

Fichier:

PDF, 1.57 MB

english, 2016

41

[OsF6]x-: Molecular Models for Spin-Orbit Entangled Phenomena

Clerac, Rodolphe, Pedersen, Kasper, Wooddruff, Daniel, Singh, Saurabh Kumar, Tressaud, Alain, Durand, Etienne, Atanasov, Mihail, Perlepe, Panagiota, Ollefs, katharina, Wilhelm, Fabrice, Mathonière, Co

Journal:

Chemistry - A European Journal

Année:

2017

Langue:

english

Fichier:

PDF, 4.72 MB

english, 2017

42

Investigating magnetic proximity effects at ferrite/Pt interfaces

Collet, M., Mattana, R., Moussy, J.-B., Ollefs, K., Collin, S., Deranlot, C., Anane, A., Cros, V., Petroff, F., Wilhelm, F., Rogalev, A.

Journal:

Applied Physics Letters

Année:

2017

Langue:

english

Fichier:

PDF, 850 KB

english, 2017

43

Local structure and X-ray magnetic circular dichroism of Au in Au-Co nanoalloys

Maurizio, C., Michieli, N., Kalinic, B., Mattarello, V., Bello, V., Wilhelm, F., Ollefs, K., Mattei, G.

Journal:

Applied Surface Science

Année:

2018

Langue:

english

Fichier:

PDF, 1.29 MB

english, 2018

44

Hysteresis design of novel magnetocaloric materials - from basic mechanisms to applications

Scheibel, Franziska, Gottschall, Tino, Taubel, Andreas, Fries, Maximilian, Skokov, Konstantin P., Terwey, Alexandra, Keune, Werner, Ollefs, Katharina, Wende, Heiko, Farle, Michael, Acet, Mehmet, Gutfl

Journal:

Energy Technology

Année:

2018

Langue:

english

Fichier:

PDF, 3.80 MB

english, 2018

45

thin films via an order-disorder phase transition

La Torre, Enrico, Smekhova, Alevtina, Schmitz-Antoniak, Carolin, Ollefs, Katharina, Eggert, Benedikt, Cöster, Birte, Walecki, Dirk, Wilhelm, Fabrice, Rogalev, Andrei, Lindner, Jürgen, Bali, Rantej, Ba

Journal:

Physical Review B

Année:

2018

Langue:

english

Fichier:

PDF, 1.56 MB

english, 2018

46

XMCD studies of magnetic polarization at Mo atoms in CoMo alloy and magnetically coupled Co/Mo multilayers

Wawro, Andrzej, Milińska, Ewelina, Kurant, Zbigniew, Pietruczik, Aleksiej, Kanak, Jarosław, Ollefs, Katharina, Wilhelm, Fabrice, Rogalev, Andrei, Maziewski, Andrzej

Journal:

Journal of Synchrotron Radiation

Année:

2018

Langue:

english

Fichier:

PDF, 755 KB

english, 2018

47

Europium Cyclooctatetraene Nanowire Carpets: a Low-Dimensional, Organometallic, and Ferromagnetic Insulator

Huttmann, Felix, Rothenbach, Nico, Kraus, Stefan, Ollefs, Katharina, Arruda, Lucas M., Bernien, Matthias, Thonig, Danny, Delin, Anna, Fransson, Jonas, Kummer, Kurt, Brookes, Nicholas B., Eriksson, Oll

Journal:

The Journal of Physical Chemistry Letters

Année:

2019

Fichier:

PDF, 3.31 MB

2019

48

[IEEE 2018 IEEE International Magnetic Conference (INTERMAG) - Singapore (2018.4.23-2018.4.27)] 2018 IEEE International Magnetics Conference (INTERMAG) - Peculiarities of Disorder-Induced Ferromagnetism Phenomena in Fe60A40 films on a local scale.

Smekhova, A., Torre, E. La, Szyjka, T., Eggert, B., Coster, B., Ollefs, K., Walecki, D., Salamon, S., Bali, R., Lindner, J., Wilhelm, F., Rogalev, A., Weschke, E., Tobbens, D., Banerjee, R., Sanyal, B

Année:

2018

Fichier:

PDF, 117 KB

2018

49

Microscopic nonequilibrium energy transfer dynamics in a photoexcited metal/insulator heterostructure

Rothenbach, N., Gruner, M. E., Ollefs, K., Schmitz-Antoniak, C., Salamon, S., Zhou, P., Li, R., Mo, M., Park, S., Shen, X., Weathersby, S., Yang, J., Wang, X. J., Pentcheva, R., Wende, H., Bovensiepen

Journal:

Physical Review B

Année:

2019

Langue:

english

Fichier:

PDF, 1.56 MB

english, 2019

50

Influence of hydrogenation on the vibrational density of states of magnetocaloric

Terwey, A., Gruner, M. E., Keune, W., Landers, J., Salamon, S., Eggert, B., Ollefs, K., BrabÃ¤nder, V., Radulov, I., Skokov, K., Faske, T., Hu, M. Y., Zhao, J., Alp, E. E., Giacobbe, C., Gutfleisch, O

Journal:

Physical Review B

Année:

2020

Langue:

english

Fichier:

PDF, 1.42 MB

english, 2020