Magnetic Properties of Pr0.7Ca0.3MnO3/SrRuO3 Superlattices

التفاصيل البيبلوغرافية
العنوان: Magnetic Properties of Pr0.7Ca0.3MnO3/SrRuO3 Superlattices
المؤلفون: Ziese, M., Vrejoiu, I., Pippel, E., Nikulina, E., Hesse, D.
سنة النشر: 2011
المجموعة: Condensed Matter
مصطلحات موضوعية: Condensed Matter - Strongly Correlated Electrons, Condensed Matter - Materials Science
الوصف: High-quality Pr0.7Ca0.3MnO3/SrRuO3 superlattices were fabricated by pulsed laser deposition and were investigated by high-resolution transmission electron microscopy and SQUID magnetometry. Superlattices with orthorhombic and tetragonal SrRuO3 layers were investigated. The superlattices grew coherently; in the growth direction Pr0.7Ca0.3MnO3 layers were terminated by MnO2- and SrRuO3 layers by RuO2-planes. All superlattices showed antiferromagnetic interlayer coupling in low magnetic fields. The coupling strength was significantly higher for orthorhombic than for tetragonal symmetry of the SrRuO3 layers. The strong interlayer exchange coupling in the superlattice with orthorhombic SrRuO3 layers led to a magnetization reversal mechanism with a partially inverted hysteresis loop.
Comment: 12 pages, 4 figures
نوع الوثيقة: Working Paper
DOI: 10.1063/1.3572027
URL الوصول: http://arxiv.org/abs/1103.2299
رقم الأكسشن: edsarx.1103.2299
قاعدة البيانات: arXiv