Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Heinonen, O. G."'
Autor:
Park, J., Mangeri, J., Zhang, Q., Yusuf, M. H., Pateras, A., Dawber, M., Holt, M. V., Heinonen, O. G., Nakhmanson, S., Evans, P. G.
Publikováno v:
Nanoscale 10, 3262 (2018)
The ferroelectric domain pattern within lithographically defined PbTiO3/SrTiO3 ferroelectric/dielectric heteroepitaxial superlattice nanostructures is strongly influenced by the edges of the structures. Synchrotron x-ray nanobeam diffraction reveals
Externí odkaz:
http://arxiv.org/abs/2002.11073
Publikováno v:
Appl. Phys. Lett. 111, 242405 (2017)
Nanoscale magnetic skyrmions have interesting static and transport properties that make them candidates for future spintronic devices. Control and manipulation of the size and behavior of skyrmions is thus of crucial importance. Using a Ginzburg-Land
Externí odkaz:
http://arxiv.org/abs/1710.00048
Publikováno v:
Computational Materials Science 126 (2017) 139-151
We present the first set of benchmark problems for phase field models that are being developed by the Center for Hierarchical Materials Design (CHiMaD) and the National Institute of Standards and Technology (NIST). While many scientific research area
Externí odkaz:
http://arxiv.org/abs/1610.00622
Autor:
Hoffman, J., Kirby, B. J., Kwon, J., Freeland, J. W., Martin, I., Heinonen, O. G., Steadman, P., Zhou, H., Schlepuetz, C. M., Velthuis, S. G. E te, Zuo, J. -M., Bhattacharya, A.
Publikováno v:
Phys. Rev. X 6, 041038 (2016)
Interfaces between correlated complex oxides are promising avenues to realize new forms of magnetism that arise as a result of charge transfer, proximity effects and locally broken symmetries. We report upon the discovery of a non-collinear magnetic
Externí odkaz:
http://arxiv.org/abs/1411.4344
Publikováno v:
Phys. Rev. Lett. 108, 207203 (2012)
We discuss the coherence of magnetic oscillations in a magnetic tunnel junction-based spin-torque oscillator as a function of external field angle. Time-frequency analysis shows mode-hopping between distinct oscillator modes, which arises from linear
Externí odkaz:
http://arxiv.org/abs/1203.6300
Publikováno v:
Phys. Rev. B 86, 174408 (2012)
We discuss the effect of mode transitions on the current (I) and temperature (T) dependent linewidth (\Delta f) in nanocontact based spin torque oscillators (STOs). At constant I, \Delta f exhibits an anomalous temperature dependence near the mode tr
Externí odkaz:
http://arxiv.org/abs/1112.1280
Publikováno v:
Phys. Rev. B 83, 184410 (2011)
We have measured the bias voltage and field dependence of eigenmode frequencies in a magnetic tunnel junction with MgO barrier. We show that both free layer (FL) and reference layer (RL) modes are excited, and that a cross-over between these modes is
Externí odkaz:
http://arxiv.org/abs/1101.2401
Akademický článek
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Akademický článek
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Autor:
Heinonen, O. G., Dimitrov, D. V.
Publikováno v:
Journal of Applied Physics; Jul2010, Vol. 108 Issue 1, p014305, 6p, 1 Chart, 7 Graphs
