Search Results - "Dobrynin, A. N."

Effects of dispersion and absorption in resonant Bragg diffraction of x-rays by Lovesey, S W, Scagnoli, V, Dobrynin, A N, Joly, Y, Collins, S P

“…Resonant diffraction of x-rays by crystals with anisotropic optical properties is investigated theoretically, to assess how the intensity of a Bragg spot is…”
Get more information

Critical size for exchange bias in ferromagnetic-antiferromagnetic particles by Dobrynin, A. N., Ievlev, D. N., Temst, K., Lievens, P., Margueritat, J., Gonzalo, J., Afonso, C. N., Zhou, S. Q., Vantomme, A., Piscopiello, E., Van Tendeloo, G.

“…We present a study of the magnetic properties of oxidized Co nanoparticles with an average grain size of 3 nm , embedded in an amorphous Al 2 O 3 matrix. These…”
Get full text

Closed-Circuit Versus Open-Circuit Characterization of Hard Magnets by Fliegans, J., Delette, G., Dobrynin, A. N., Dempsey, N. M., Givord, D.

“…Two effects must be considered for the purpose of comparing hysteresis loops of hard magnetic materials (e.g., Nd-Fe-B magnets), measured in open circuit…”
Get full text

Exchange bias in a Co/CoO/Co trilayer with two different ferromagnetic-antiferromagnetic interfaces by Dobrynin, A. N., Givord, D.

“…The exchange-bias properties of a Co/CoO/Co sandwich structure are examined. The Co/CoO bottom bilayer was obtained by oxidation of a Co layer and the top…”
Get full text

Demagnetising fields in assemblies of magnetostatically coupled Stoner-Wohlfarth particles by Givord, D., Dobrynin, A.N.

“…Magnetisation processes in assemblies of identical magnetostatically interacting Stoner-Wohlfarth (SW) particles are analysed. First we demonstrate…”
Get full text

On the origin of positive exchange bias and coercivity enhancement in proximity to the blocking temperature by Dobrynin, A.N., Warin, P., Vorobiev, A., Givord, D.

“…•Exchange bias blocking temperatures of two Co/CoO samples with different antiferromagnetic CoO grain sizes were found to be significantly different from each…”
Get full text

Antiferromagnetic exchange spring as the reason of exchange bias training effect by Dobrynin, A. N., Maccherozzi, F., Dhesi, S. S., Fan, R., Bencok, P., Steadman, P.

“…We observe recovery of the exchange bias training effect in a Co/CoO bilayer after warming the sample up to the blocking temperature and cooling it back to a…”
Get full text

Measurement of the size of embedded metal clusters by mass spectrometry, transmission electron microscopy, and small-angle X-ray scattering by HENDRICH, C, FAVRE, L, IEVLEV, D. N, DOBRYNIN, A. N, BRAS, W, HÖRMANN, U, PISCOPIELLO, E, VAN TENDELOO, G, LIEVENS, P, TEMST, K

“…Ensembles of nanometer-sized Au, Co, Er, and FePt clusters were generated by a laser vaporization source and embedded in a MgO matrix grown on a mica…”
Get full text

Revisiting magnetization processes in granular hard magnetic materials by Dobrynin, A. N., Barthem, V. M. T. S., Givord, D.

“…We show that the generally accepted demagnetizing field corrections are not applicable to the broad class of modern granular magnetic materials, where…”
Get full text

Magnetic reversal in a YFe2 dominated DyFe2/YFe2 multilayer film by Stenning, G. B. G., Bowden, G. J., Gregory, S. A., Beaujour, J.-M. L., de Groot, P. A. J., van der Laan, G., Shelford, L. R., Bencok, P., Steadman, P., Dobrynin, A. N., Hesjedal, T.

“…Magnetic reversal in a (110)-oriented [DyFe2(60 Aa)/YFe2(240 Aa)]15 multilayer film is investigated using magnetometry, micro-magnetic modeling, and…”
Get full text

Experimental determination of the magnetization dependent part of the demagnetizing field in hard magnetic materials by Dobrynin, A. N., Gao, T. R., Dempsey, N. M., Givord, D.

“…A method for extracting the magnetization dependent part of the demagnetizing field from minor hysteresis loops is described. It applies to hard magnetic…”
Get full text

Evidence for coexistence of exchange bias and exchange spring effects in oxidized Co nanocluster assembled films by Dobrynin, A N, Van Bael, M J, Temst, K, Lievens, P

Get full text

Electron scattering in Au films containing Co clusters by Verschoren, G., Dobrynin, A.N., Temst, K., Silverans, R.E., Van Haesendonck, C., Lievens, P., Pipeleers, B., Zhou, S.Q., Vantomme, A., Bras, W.

“…We present a study of the transport properties of films consisting of Co n clusters embedded in a Au matrix for different Co cluster concentrations. The films…”
Get full text

Atomic-scale modification of hybrid FePt cluster-assembled films by Dobrynin, A. N., Ievlev, D. N., Verschoren, G., Swerts, J., Van Bael, M. J., Temst, K., Lievens, P., Piscopiello, E., Van Tendeloo, G., Zhou, S. Q., Vantomme, A.

Get full text

Influence of dipolar collective effects on coercivity and demagnetizing factors in hard magnetic materials by Dobrynin, A. N., Barthem, V. M. T. S., Ingwiller, F., Givord, D.

“…Magnetization reversal in systems made of high coercivity exchange-decoupled grains is modeled. Dipolar collective effects, negligible for a sample in the form…”
Get full text

Shedding light on matter: Scope: textbook. Level: postgraduate by Dobrynin, A.N., Lovesey, S.W.

Get full text

Experimental determination of the magnetization dependent partof the demagnetizing field in hard magnetic materials by Dobrynin, A. N., Gao, T. R., Dempsey, N. M., Givord, D.

“…A method for extracting the magnetization dependent part of the demagnetizing field from minor hysteresis loops is described. It applies to hard magnetic…”
Get full text

Influence of finite size effects on exchange anisotropy in oxidized Co nanocluster assembled films by Dobrynin, A. N., Ievlev, D. N., Hendrich, C., Temst, K., Lievens, P., Hörmann, U., Verbeeck, J., Van Tendeloo, G., Vantomme, A.

Get full text

Free partially commutative lie superalgebras: Dimensions of homogeneous components by Dobrynin, N. A.

Get full text

Direct observation of noncollinear order of Co and Mn moments in multiferroic M n 0.85 C o 0.15 W O 4 by Herrero-Martín, J., Dobrynin, A. N., Mazzoli, C., Steadman, P., Bencok, P., Fan, R., Mukhin, A. A., Skumryev, V., García-Muñoz, J. L.

Get full text