Cation distribution and magnetic properties in ultrathin ( N i 1 – x C o x ) F e 2 O 4 ( x = 0 – 1 ) layers on Si(111) studied by soft x-ray magnetic circular dichroism
Yuki K. Wakabayashi,Yosuke Nonaka,Yukiharu Takeda,Shoya Sakamoto,Keisuke Ikeda,Zhendong Chi,Goro Shibata,Arata Tanaka,Yuji Saitoh,Hiroshi Yamagami,Masaaki Tanaka,Atsushi Fujimori,Ryosho Nakane +12 more
About: This article is published in Physical Review Materials. The article was published on 30 Oct 2018. and is currently open access. The article focuses on the topics: Magnetic circular dichroism.
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Citations
Ferromagnetism above 1000 K in highly cation-ordered double-perovskite insulator Sr3OsO6
Yuki K. Wakabayashi,Yoshiharu Krockenberger,Naoto Tsujimoto,Tommy Boykin,Shinji Tsuneyuki,Yoshitaka Taniyasu,Hideki Yamamoto +6 more
TL;DR: In this paper, a double-perovskite, Sr2(SrOs)O6 (Sr3OsO6), surpasses this long standing Curie temperature record by more than 100 K. The density functional theory (DFT) calculations suggest that the large spin-orbit coupling of Os6+ 5d2 orbitals drives the system toward a Jeff = 3/2 ferromagnetic (FM) insulating state.
Magnetic and ferroelectric properties of oxygen octahedron/tetrahedron mixed ultrathin multiferroic layer by oxygen desorption
TL;DR: In this paper, the authors used the lock-in method with a modulation frequency of 10 Hz in x-ray absorption spectroscopy (XAS) signals of Fe L3 and L2 owing to X-ray magnetic circular dichroism (XMCD).
5
Structural, optical, and enhanced multiferroic properties of x CoFe 2 O 4 -(1 − x )K 0.5 Bi 0.5 TiO 3 ferrite–ferroelectric composites
TL;DR: In this article, the structural, optical, magnetic and ferroelectric properties of multiferroic composites with general formula xCoFe2O4-(1 − x)K0.5Bi0.0 (xCFO-KBT) were studied in detail.
3
Perpendicular and In-Plane Hole Asymmetry in a Strained NiFe 2 O 4 Film
Ronny Knut,Rameez Saeed Malik,Corisa Kons,Jenae Shoup,Florin Radu,Chen Luo,Yaroslav Kvashnin,Arunava Gupta,Olof Karis,Dario Arena +9 more
TL;DR: Modeling of the XAS and XMCD spectra indicate that the modified energy ordering of the cation 3d states in the strained film leads to a preferential filling of 3D states with out-of-plane character, which points to the utility of x-ray spectroscopy in identifying orbital populations even with elliptically polarized x-rays.
2
References
X-ray circular-dichroism as a probe of orbital magnetization
B. T. Thole,B. T. Thole,B. T. Thole,P. Carra,P. Carra,P. Carra,Francesco Sette,Francesco Sette,Francesco Sette,G. van der Laan,G. van der Laan,G. van der Laan +11 more
TL;DR: A new magneto-optical sum rule is derived for circular magnetic dichroism in the x-ray region (CMXD) and applications are discussed to transition-metal and rare-earth magnetic systems.
2.6K
Experimental confirmation of the X-ray magnetic circular dichroism sum rules for iron and cobalt.
C. T. Chen,Yves Idzerda,Hong-Ji Lin,Neville V. Smith,G. Meigs,E. E. Chaban,G. H. Ho,Eric Pellegrin,Francesco Sette +8 more
TL;DR: The magnetic moments determined from the integrals of these spectra are found to be in excellent agreement (within 3%) for the orbital to spin moment ratios, and in good agreement for the individual moments, with those obtained from Einstein--de Haas gyromagnetic ratio measurements.
1.8K
Origin of the Anomalous Magnetic Behavior in Single Crystal Fe 3 O 4 Films
D. T. Margulies,F. T. Parker,M.L. Rudee,Frederick E. Spada,J. N. Chapman,P. R. Aitchison,Ami E. Berkowitz +6 more
TL;DR: Antiphase boundaries (APBs) were observed in single crystal films grown on MgO as discussed by the authors, which is an intrinsic consequence of the nucleation and growth mechanism in films.
524
A spin metal–oxide–semiconductor field-effect transistor using half-metallic-ferromagnet contacts for the source and drain
Satoshi Sugahara,Masaaki Tanaka +1 more
TL;DR: In this paper, a spin MOSFET with half-metallic-ferromagnet (HMF) contacts for the source and drain is proposed and theoretically analyzed.
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