Search Results - "Fischbacher, J"

On the limits of coercivity in permanent magnets by Fischbacher, J., Kovacs, A., Oezelt, H., Gusenbauer, M., Schrefl, T., Exl, L., Givord, D., Dempsey, N. M., Zimanyi, G., Winklhofer, M., Hrkac, G., Chantrell, R., Sakuma, N., Yano, M., Kato, A., Shoji, T., Manabe, A.

“…The maximum coercivity that can be achieved for a given hard magnetic alloy is estimated by computing the energy barrier for the nucleation of a reversed…”
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Effective uniaxial anisotropy in easy-plane materials through nanostructuring by Fischbacher, J., Kovacs, A., Oezelt, H., Gusenbauer, M., Suess, D., Schrefl, T.

“…Permanent magnet materials require a high uniaxial magneto-crystalline anisotropy. Exchange coupling between small crystallites with easy-plane anisotropy…”
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Nonlinear conjugate gradient methods in micromagnetics by Fischbacher, J., Kovacs, Alexander, Oezelt, Harald, Schrefl, T., Exl, L., Fidler, J., Suess, D., Sakuma, N., Yano, M., Kato, A., Shoji, T., Manabe, A.

“…Conjugate gradient methods for energy minimization in micromagnetics are compared. The comparison of analytic results with numerical simulation shows that…”
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Reduced order model for hard magnetic films by Moustafa, H., Kovacs, A., Fischbacher, J., Gusenbauer, M., Ali, Q., Breth, L., Hong, Y., Rigaut, W., Devillers, T., Dempsey, N. M., Schrefl, T., Oezelt, H.

“…In the pursuit of rare earth-lean permanent magnets for green technologies, microstructural optimisation offers a promising strategy to enhance coercivity…”
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Thermal Activation in Permanent Magnets by Bance, S., Fischbacher, J., Kovacs, A., Oezelt, H., Reichel, F., Schrefl, T.

“…The coercive field of permanent magnets decays with temperature. At non-zero temperatures, the system can overcome a finite energy barrier through thermal…”
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Probability Distribution of Substituted Titanium in RT12 (R = Nd and Sm; T = Fe and Co) Structures by Skelland, C., Ostler, T., Westmoreland, S. C., Evans, R. F. L., Chantrell, R. W., Yano, M., Shoji, T., Manabe, A., Kato, A., Ito, M., Winklhofer, M., Zimanyi, G., Fischbacher, J., Schrefl, T., Hrkac, G.

“…We investigated the atomic fill site probability distributions across supercell structures of RT 12−x Ti (R = Nd and Sm; T = Fe and Co). We use a combined…”
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Atomistic study on the pressure dependence of the melting point of NdFe12 by Skelland, C., Westmoreland, S. C., Ostler, T., Evans, R. F. L., Chantrell, R. W., Yano, M., Shoji, T., Kato, A., Ito, M., Winklhofer, M., Zimanyi, G., Fischbacher, J., Schrefl, T., Hrkac, G.

“…We investigated, using molecular dynamics, how pressure affects the melting point of the recently theorised and epitaxially grown structure NdFe12. We modified…”
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Mechanical Oscillations of Magnetic Strips under the Influence of External Field by Reichel, F., Schrefl, T., Suess, D., Hrkac, G., Praetorius, D., Gusenbauer, M., Bance, S., Oezelt, H., Fischbacher, J., Exl, L.

“…By application of a magnetic field on an amorphous metallic strip, the orientation of magnetization of Weiss domains can be changed. When the strip changes its…”
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Correlation of microchemistry of cell boundary phase and interface structure to the coercivity of Sm(Co0.784Fe0.100Cu0.088Zr0.028)7.19 sintered magnets by Sepehri-Amin, H., Thielsch, J., Fischbacher, J., Ohkubo, T., Schrefl, T., Gutfleisch, O., Hono, K.

“…We revisited the microstructure of Sm2Co17-type sintered magnets to understand the underlying mechanism of substantial decrease of coercivity from 2.56 T for…”
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Searching the weakest link: Demagnetizing fields and magnetization reversal in permanent magnets by Fischbacher, J., Kovacs, A., Exl, L., Kühnel, J., Mehofer, E., Sepehri-Amin, H., Ohkubo, T., Hono, K., Schrefl, T.

“…Magnetization reversal in permanent magnets occurs by the nucleation and expansion of reversed domains. Micromagnetic theory offers the possibility to localize…”
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Nanocrystalline Sm-based 1:12 magnets by Schönhöbel, A.M., Madugundo, R., Barandiarán, J.M., Hadjipanayis, G.C., Palanisamy, D., Schwarz, T., Gault, B., Raabe, D., Skokov, K., Gutfleisch, O., Fischbacher, J., Schrefl, T.

“…[Display omitted] Recently 1:12 magnets of Sm-(Fe,V) have shown promising coercivities and the potential to be alternative rare-earth-lean permanent magnets…”
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The Effect of Interstitial Nitrogen Addition on the Structural Properties of Supercells of NdFe12-xTix by Skelland, C., Ostler, T., Westmoreland, S. C., Evans, R. F. L., Chantrell, R. W., Yano, M., Shoji, T., Kato, A., Winklhofer, M., Zimanyi, G., Fischbacher, J., Schref, T., Hrkac, G.

“…We investigated the effect of nitrogenation on <inline-formula> <tex-math notation="LaTeX">3 \times 3 \times 2 </tex-math></inline-formula> supercell…”
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The Effect of Interstitial Nitrogen Addition on the Structural Properties of Supercells of NdFe 12- x Ti x by Skelland, C., Ostler, T., Westmoreland, S. C., Evans, R. F. L., Chantrell, R. W., Yano, M., Shoji, T., Kato, A., Winklhofer, M., Zimanyi, G., Fischbacher, J., Schref, T., Hrkac, G.

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The Effect of Interstitial Nitrogen Addition on the Structural Properties of Supercells of NdFe12- x Ti x by Skelland, C, Ostler, T, Westmoreland, S C, Evans, R F L, Chantrell, R W, Yano, M, Shoji, T, Kato, A, Winklhofer, M, Zimanyi, G, Fischbacher, J, Schref, T, Hrkac, G

“…We investigated the effect of nitrogenation on [Formula Omitted] supercell structures of NdFe12- x Ti x from [Formula Omitted] to [Formula Omitted] (~0.2Ti at…”
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Probability Distribution of Substituted Titanium in RT 12 (R = Nd and Sm; T = Fe and Co) Structures by Skelland, C., Ostler, T., Westmoreland, S. C., Evans, R. F. L., Chantrell, R. W., Yano, M., Shoji, T., Manabe, A., Kato, A., Ito, M., Winklhofer, M., Zimanyi, G., Fischbacher, J., Schrefl, T., Hrkac, G.

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Computational Design of the Rare-Earth Reduced Permanent Magnets by Kovacs, A, Fischbacher, J, Gusenbauer, M, Oezelt, H, Herper, H. C, Vekilova, O. Yu, Nieves, P, Arapan, S, Schrefl, T

“…Multiscale simulation is a key research tool for the quest for new permanent magnets. Starting with first principles methods, a sequence of simulation methods…”
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Effective uniaxial anisotropy in easy-plane materials through nanostructuring by Fischbacher, J, Kovacs, A, Oezelt, H, Gusenbauer, M, Suess, D, Schrefl, T

“…Appl. Phys. Lett. 111, 192407 (2017) Permanent magnet materials require a high uniaxial magneto-crystalline anisotropy. Exchange coupling between small…”
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Searching the weakest link: Demagnetizing fields and magnetization reversal in permanent magnets by Fischbacher, J, Kovacs, A, Kühnel, L. Exl J, Mehofer, E, Sepehri-Amin, H, Ohkubo, T, Hono, K, Schrefl, T

“…Magnetization reversal in permanent magnets occurs by the nucleation and expansion of reversed domains. Micromagnetic theory offers the possibility to localize…”
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Conjugate gradient methods in micromagnetics by Fischbacher, J, Kovacs, A, Oezelt, H, Schrefl, T, Exl, L, Fidler, J, Suess, D, Sakuma, N, Yano, M, Kato, A, Shoji, T, Manabe, A

“…Conjugate gradient methods for energy minimization in micromagnetics are compared. When the step length in the line search is controlled, conjugate gradient…”
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On the limits of coercivity in permanent magnets by Fischbacher, J, Kovacs, A, Oezelt, H, Gusenbauer, M, Schrefl, T, Exl, L, Givord, D, Dempsey, N. M, Zimanyi, G, Winklhofer, M, Hrkac, G, Chantrell, R, Sakuma, N, Yano, M, Kato, A, Shoji, T, Manabe, A

“…Appl. Phys. Lett. 111, 072404 (2017) The maximum coercivity that can be achieved for a given hard magnetic alloy is estimated by computing the energy barrier…”
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