Magnetization Reversal in Arrays of Perpendicularly Magnetized Ultrathin Dots Coupled by Dipolar Interaction
| العنوان: | Magnetization Reversal in Arrays of Perpendicularly Magnetized Ultrathin Dots Coupled by Dipolar Interaction |
|---|---|
| المؤلفون: | Christophe Vieu, Jacques Ferré, T. Aign, J.P. Jamet, S. Lemerle, V. Mathet, H. Launois, Claude Chappert, F. Rousseaux, Harry Bernas, Jacques Gierak, P. Meyer |
| المساهمون: | Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS) |
| المصدر: | Physical Review Letters Physical Review Letters, American Physical Society, 1998, 81, pp.5656-5659. ⟨10.1103/PhysRevLett.81.5656⟩ |
| بيانات النشر: | HAL CCSD, 1998. |
| سنة النشر: | 1998 |
| مصطلحات موضوعية: | 010302 applied physics, Physics, Field (physics), Condensed matter physics, Nucleation, General Physics and Astronomy, 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, Focused ion beam, 75.70.Ak, 05.50.+q, 61.80.Jh, 75.70.Kw, Ion, Dipole, Domain wall (magnetism), 0103 physical sciences, Perpendicular, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], Ising model, 0210 nano-technology |
| الوصف: | Arrays of micron size perpendicularly magnetized ultrathin Co dots with 20 nm separation were obtained using ion irradiation by a focused ion beam and studied by polar magneto-optical microscopy. Because irradiation induces easy nucleation regions along dot borders, magnetization reversal inside the dots under a perpendicular field is due only to domain wall propagation, driven by applied field and dipolar interactions. Frustrated checkerboard patterns are observed in the demagnetized state, in agreement with numerical simulations. This opens the way to experimental studies on model arrays of interacting Ising dots. |
| اللغة: | English |
| تدمد: | 0031-9007 1079-7114 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a22b8d569f0600e1fe7f4c26b5e422c7 http://hal.in2p3.fr/in2p3-00000287 |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi.dedup.....a22b8d569f0600e1fe7f4c26b5e422c7 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 00319007 10797114 |
|---|