Search Results - "Ostler, T."

Atomistic spin model simulations of magnetic nanomaterials by Evans, R F L, Fan, W J, Chureemart, P, Ostler, T A, Ellis, M O A, Chantrell, R W

“…Atomistic modelling of magnetic materials provides unprecedented detail about the underlying physical processes that govern their macroscopic properties, and…”
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Transient ferromagnetic-like state mediating ultrafast reversal of antiferromagnetically coupled spins by Radu, I., Vahaplar, K., Stamm, C., Kachel, T., Pontius, N., Dürr, H. A., Ostler, T. A., Barker, J., Evans, R. F. L., Chantrell, R. W., Tsukamoto, A., Itoh, A., Kirilyuk, A., Rasing, Th, Kimel, A. V.

“…Ferromagnetic surprise The dynamics of spin ordering in magnetic materials is of interest for both fundamental understanding and progress in…”
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Ultrafast double magnetization switching in GdFeCo with two picosecond-delayed femtosecond pump pulses by Atxitia, U., Ostler, T. A.

“…The recently discovered thermally induced magnetization switching (TIMS) induced by single femtosecond laser pulses in ferrimagnetic GdFeCo alloys proceeds on…”
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Strain Induced Vortex Core Switching in Planar Magnetostrictive Nanostructures by Ostler, T A, Cuadrado, R, Chantrell, R W, Rushforth, A W, Cavill, S A

“…The dynamics of magnetic vortex cores is of great interest because the gyrotropic mode has applications in spin torque driven magnetic microwave oscillators,…”
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Ultrafast heating as a sufficient stimulus for magnetization reversal in a ferrimagnet by Ostler, T.A., Barker, J., Evans, R.F.L., Chantrell, R.W., Atxitia, U., Chubykalo-Fesenko, O., El Moussaoui, S., Le Guyader, L., Mengotti, E., Heyderman, L.J., Nolting, F., Tsukamoto, A., Itoh, A., Afanasiev, D., Ivanov, B.A., Kalashnikova, A.M., Vahaplar, K., Mentink, J., Kirilyuk, A., Rasing, Th, Kimel, A.V.

“…The question of how, and how fast, magnetization can be reversed is a topic of great practical interest for the manipulation and storage of magnetic…”
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Two-magnon bound state causes ultrafast thermally induced magnetisation switching by Barker, J., Atxitia, U., Ostler, T. A., Hovorka, O., Chubykalo-Fesenko, O., Chantrell, R. W.

“…There has been much interest recently in the discovery of thermally induced magnetisation switching using femtosecond laser excitation, where a ferrimagnetic…”
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Substrate Induced Strain Field in FeRh Epilayers Grown on Single Crystal MgO (001) Substrates by Barton, C. W., Ostler, T. A., Huskisson, D., Kinane, C. J., Haigh, S. J., Hrkac, G., Thomson, T.

“…Equi-atomic FeRh is highly unusual in that it undergoes a first order meta-magnetic phase transition from an antiferromagnet to a ferromagnet above room…”
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Spin-current-mediated rapid magnon localisation and coalescence after ultrafast optical pumping of ferrimagnetic alloys by Iacocca, E., Liu, T.-M., Reid, A. H., Fu, Z., Ruta, S., Granitzka, P. W., Jal, E., Bonetti, S., Gray, A. X., Graves, C. E., Kukreja, R., Chen, Z., Higley, D. J., Chase, T., Le Guyader, L., Hirsch, K., Ohldag, H., Schlotter, W. F., Dakovski, G. L., Coslovich, G., Hoffmann, M. C., Carron, S., Tsukamoto, A., Kirilyuk, A., Kimel, A. V., Rasing, Th, Stöhr, J., Evans, R. F. L., Ostler, T., Chantrell, R. W., Hoefer, M. A., Silva, T. J., Dürr, H. A.

“…Sub-picosecond magnetisation manipulation via femtosecond optical pumping has attracted wide attention ever since its original discovery in 1996. However, the…”
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Temperature-dependent ferromagnetic resonance via the Landau-Lifshitz-Bloch equation: Application to FePt by Ostler, T. A., Ellis, M. O. A., Hinzke, D., Nowak, U.

“…Using the Landau-Lifshitz-Bloch (LLB) equation for ferromagnetic materials, we derive analytic expressions for temperature-dependent absorption spectra as…”
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Human Population Genetic Structure and Inference of Group Membership by Bamshad, Michael J., Wooding, Stephen, Watkins, W. Scott, Ostler, Christopher T., Batzer, Mark A., Jorde, Lynn B.

“…A major goal of biomedical research is to develop the capability to provide highly personalized health care. To do so, it is necessary to understand the…”
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Classical spin model of the relaxation dynamics of rare-earth doped permalloy by Ellis, M. O. A., Ostler, T. A., Chantrell, R. W.

“…In this paper, the ultrafast dynamic behavior of rare-earth doped permalloy is investigated using an atomistic spin model with Langevin dynamics. In line with…”
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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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Ultrafast dynamical path for the switching of a ferrimagnet after femtosecond heating by Atxitia, U., Ostler, T., Barker, J., Evans, R. F. L., Chantrell, R. W., Chubykalo-Fesenko, O.

“…Ultrafast laser-induced magnetic switching in rare earth-transition metal ferrimagnetic alloys has recently been reported to occur by ultrafast heating alone…”
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Genetic variation among world populations: inferences from 100 Alu insertion polymorphisms by Watkins, W Scott, Rogers, Alan R, Ostler, Christopher T, Wooding, Steve, Bamshad, Michael J, Brassington, Anna-Marie E, Carroll, Marion L, Nguyen, Son V, Walker, Jerilyn A, Prasad, B V Ravi, Reddy, P Govinda, Das, Pradipta K, Batzer, Mark A, Jorde, Lynn B

“…We examine the distribution and structure of human genetic diversity for 710 individuals representing 31 populations from Africa, East Asia, Europe, and India…”
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Optimal electron, phonon, and magnetic characteristics for low energy thermally induced magnetization switching by Atxitia, U., Ostler, T. A., Chantrell, R. W., Chubykalo-Fesenko, O.

“…Using large-scale computer simulations, we thoroughly study the minimum energy required to thermally induced magnetization switching (TIMS) after the…”
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ED learning units: An innovative teaching method by Mecham, Nancy, Ostler, Teresa

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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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Optimising materials for energy-efficient all-optical magnetic switching by Chubykalo-Fesenko, O., Nieves, P., Atxitia, U., Ostler, T., Chantrell, R. W.

“…The all-optimal magnetic switching is a promising phenomenon to push forward the speed of the magnetic recording. This switching with linearly polarized lasers…”
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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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