APS -APS March Meeting 2017 - Event - Visualizing ferromagnetic domains in undoped and Fe-doped extbf{${mathrm{Sr}}_{mathrm{4}}{mathrm{Ru}}_{mathrm{3}}mathrm{O}_{mathrm{10}}$}

Paul Sass; Weida Wu; Zhiqiang Mao; Peigang Li

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APS -APS March Meeting 2017 - Event - Visualizing ferromagnetic domains in undoped and Fe-doped extbf{${mathrm{Sr}}_{mathrm{4}}{mathrm{Ru}}_{mathrm{3}}mathrm{O}_{mathrm{10}}$}

机译：APS -APS 2017年3月会议-活动-可视化未掺杂和掺铁的extbf中的铁磁畴{$ {mathrm {Sr}} _ {mathrm {4}} {mathrm {Ru}} _ {mathrm {3}} mathrm {O } _ {mathrm {10}} $}

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Transition-metal oxides have proven to be a great source of interesting phenomena and new quantum phases of matter with high potential for developing exciting technologies. A remarkable sub-class of these materials with layer dependent properties is the ruthenium perovskites of the Ruddlesden-Popper series, specifically$hinspace {mathrm{Sr}}_{mathrm{n+1}}{mathrm{Ru}}_{mathrm{n}}mathrm{O}_{mathrm{3n+1}}$, exhibiting a range of behavior from ferromagnetism and metamagnetic quantum criticality to p-wave superconductivity. The triple layered oxide ${mathrm{Sr}}_{mathrm{4}}{mathrm{Ru}}_{mathrm{3}}mathrm{O}_{mathrm{10}}$ exhibits coexistence of ferro- ($mathrm{T}_{mathrm{C}}<$ 105 K) and meta- ($mathrm{T}_{mathrm{M}}hinspace <$ 50 K) magnetism with strong anisotropy. Despite many studies on bulk magnetic properties of this material, the microscopic nature of the magnetic phase is still unclear. What is lacking is the real space imaging of magnetic domains. To this end, we report our variable temperature magnetic force microscopy studies on floating-zone grown undoped and Fe-doped${mathrm{hinspace Sr}}_{mathrm{4}}{mathrm{Ru}}_{mathrm{3}}mathrm{O}_{mathrm{10}}$ single crystals. Various stripe and branch-like domain patterns were observed below

机译：过渡金属氧化物已被证明是引起人们关注的现象和物质新的量子相的重要来源，具有开发令人兴奋的技术的巨大潜力。这些具有显着层依赖性的材料的显着子类是Ruddlesden-Popper系列的钌钙钛矿，特别是$ hinspace {mathrm {Sr}} _ {mathrm {n + 1}} {mathrm {Ru}} _ {mathrm {n}} mathrm {O} _ {mathrm {3n + 1}} $，表现出从铁磁性和超磁性量子临界到p波超导性的一系列行为。三层氧化物$ {mathrm {Sr}} _ {mathrm {4}} {mathrm {Ru}} _ {mathrm {3}} mathrm {O} _ {mathrm {10}} $显示出铁共存（（$ mathrm {T} _ {mathrm {C}} <$ 105 K）和具有强各向异性的meta-（$ mathrm {T} _ {mathrm {M}} hinspace≤$ 50 K）磁性。尽管已对该材料的体磁性能进行了许多研究，但磁相的微观性质仍不清楚。缺少的是磁畴的真实空间成像。为此，我们报告了对未掺杂和掺杂Fe的浮区生长$ {mathrm {hinspace Sr}} _ {mathrm {4}} {mathrm {Ru}} _ {mathrm {3}的可变温度磁力显微镜研究} mathrm {O} _ {mathrm {10}} $单晶。下面观察到各种条纹和分支状域模式

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《Bulletin of the American Physical Society》 |2017年第4期|共页
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Paul Sass; Weida Wu; Zhiqiang Mao; Peigang Li;
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APS -APS March Meeting 2017 - Event - Visualizing ferromagnetic domains in undoped and Fe-doped extbf{${mathrm{Sr}}_{mathrm{4}}{mathrm{Ru}}_{mathrm{3}}mathrm{O}_{mathrm{10}}$}

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