Strain-tunable magnetocrystalline anisotropy in epitaxial Y_3Fe_5O_(12) thin films

Hailong Wang; Chunhui Du; P. Chris Hammel; Fengyuan Yang

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Strain-tunable magnetocrystalline anisotropy in epitaxial Y_3Fe_5O_(12) thin films

机译：外延Y_3Fe_5O_（12）薄膜中的应变可调磁晶各向异性

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摘要

We demonstrate strain tuning of magnetocrystalline anisotropy over a range of more than 1000 G in epitaxial Y_3Fe_5O_(12) films of excellent crystalline quality grown on lattice-mismatched Y_3Al_5O_(12) substrates. Ferromagnetic resonance (FMR) measurements reveal a linear dependence of both out-of-plane and in-plane uniaxial anisotropy on the strain-induced tetragonal distortion of Y_3Fe_5O_(12). Importantly, we find the spin mixing conductance G_r determined from inverse spin Hall effect and FMR linewidth broadening remains large: G_r = 3.33 × 10~(14) Ω~(-1) m~(-2) in Pt/Y_3Fe_5O_(12)/Y_3Al_5O_(12) heterostructures, quite comparable to the value found in Pt/Y_3Fe_5O_(12) grown on lattice-matched Gd_3Ga_5O_(12) substrates.

机译：我们展示了在晶格不匹配的Y_3Al_5O_（12）衬底上生长的具有优良晶体质量的外延Y_3Fe_5O_（12）薄膜中超过1000 G范围内的磁晶各向异性的应变调谐。铁磁共振（FMR）测量揭示了面外和面内单轴各向异性对Y_3Fe_5O_（12）应变引起的四边形畸变的线性依赖性。重要的是，我们发现由逆自旋霍尔效应确定的自旋混合电导G_r和FMR线宽展宽仍然很大：在Pt / Y_3Fe_5O_（12）中G_r = 3.33×10〜（14）Ω〜（-1）m〜（-2） / Y_3Al_5O_（12）异质结构，与在晶格匹配的Gd_3Ga_5O_（12）衬底上生长的Pt / Y_3Fe_5O_（12）中的值相当。

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来源
《Physical review》 |2014年第13期|134404.1-134404.5|共5页
作者
Hailong Wang; Chunhui Du; P. Chris Hammel; Fengyuan Yang;
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Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA;

Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA;

Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA;

Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA;

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正文语种 eng
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magnetic anisotropy; ferromagnetic, antiferromagnetic, and ferrimagnetic resonances; spin-wave resonance; methods of deposition of films and coatings; film growth and epitaxy;

机译：磁各向异性铁磁;反铁磁和亚铁磁谐振;自旋波共振薄膜和涂层的沉积方法;薄膜生长和外延;

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1. Strain-tunable extraordinary magnetocrystalline anisotropy in Sr_2CrReO_6 epitaxial films [J] . J. M. Lucy, M. R. Ball, O. D. Restrepo, Physical review . 2014,第18期

机译：Sr_2CrReO_6外延膜中的应变可调超常磁晶各向异性
2. Epitaxial growth of Y_3Fe_5O_(12) thin films with perpendicular magnetic anisotropy [J] . Jianbo Fu, Muxin Hua, Xin Wen, Applied Physics Letters . 2017,第20期

机译：具有垂直磁各向异性的Y_3Fe_5O_（12）薄膜的外延生长
3. Controlling the magnetic anisotropy in epitaxial Y_3Fe_5O_(12) films by manganese doping [J] . C. T. Wang, X. F. Liang, Y. Zhang, Physical review. B, Condensed Matter And Materals Physics . 2017,第22期

机译：通过锰掺杂控制外延Y_3Fe_5O_（12）薄膜的磁各向异性
4. In-plane uniaxial magnetic anisotropy o f cobalt doped Y_3Fe_5O_(12)epitaxial films [C] . Darren Dale, G.Hu, Vincent B albarin, Symposium on materials issues for tunable RF and microwave devices . 2000

机译：面内单轴磁各向异性O F钴掺杂Y_3FE_5O_（12）外延薄膜
5. Texture and Magnetocrystalline Anisotropy in NiFe2O 4 Thin films Deposited via Chemical Solution Deposition. [D] . Seifikar, Safoura. 2013

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7. Strain-Tunable Magnetocrystalline Anisotropy in Epitaxial Y3Fe5O12 Thin Films [O] . Wang, Hailong, Du, Chunhui, Hammel, Chris, 2013

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8. Relationship of Magnetocrystalline Anisotropy and Stoichiometry in Epitaxial L1(sup 0) CoPt(001) and FePT (001) Thin Films [R] . Barmak, K., Kim, J., Lewis, L. H., 2004

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Strain-tunable magnetocrystalline anisotropy in epitaxial Y_3Fe_5O_(12) thin films

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