ATTENUATION OF SURFACE ACOUSTIC WAVES BY SPIN-WAVE EXCITATIONS IN Co_(60)Fe_(20)B_(20)

K. M. SEEMANN; F. KRONAST; A.HÖRNER; S. VALENCIA; A. WIXFORTH; A. V. CHAPLIK; P. FISCHER

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ATTENUATION OF SURFACE ACOUSTIC WAVES BY SPIN-WAVE EXCITATIONS IN Co_(60)Fe_(20)B_(20)

机译：Co_（60）Fe_（20）B_（20）中自旋波激励对表面声波的衰减

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The acousto-magnetic attenuation of surface acoustic waves (SAW) in an Co_(60)Fe_(20)B_(20) exchange spring magnet is evidenced experimentally. By high-resolution magnetic imaging using photo-excitation electron microscopy (XPEEM) and magnetometry measurements, the de°ection of the ferromagnet from its equilibrium state is visualized. Along a harmonic oscillator model with damping term, the experimental observation of SAW attenuation is attributed to low-frequency spin wave generation in a magnetic exchange spring. Measuring the SAW attenuation at four eigenfrequencies generated via on-chip higher-harmonic generation, we obtain a sub-GHz resonance at f_0 = 538 MHz.

机译：实验证明了Co_（60）Fe_（20）B_（20）交换弹簧磁铁中声表面波（SAW）的声磁衰减。通过使用光激发电子显微镜（XPEEM）和磁力测量技术进行的高分辨率磁成像，可以看到铁磁体偏离其平衡状态的偏转。沿着带有阻尼项的谐波振荡器模型，SAW衰减的实验观察归因于磁交换弹簧中低频自旋波的产生。测量通过片上高次谐波产生的四个本征频率下的SAW衰减，我们得到f_0 = 538 MHz的亚GHz谐振。

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来源
《SPIN》 |2014年第1期|1440005.1-1440005.5|共5页
作者
K. M. SEEMANN; F. KRONAST; A.HÖRNER; S. VALENCIA; A. WIXFORTH; A. V. CHAPLIK; P. FISCHER;
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作者单位

Physik Department E21 & Heinz Maier-Leibnitz Zentrum (MLZ) Technische Universität München, Germany;

Helmholtz-Zentrum Berlin für Materialien und Energie Albert-Einstein-Strasse 15, Berlin, Germany;

Institut für Physik, Experimentalphysik I Universität Augsburg, Germany;

Helmholtz-Zentrum Berlin für Materialien und Energie Albert-Einstein-Strasse 15, Berlin, Germany;

Institut für Physik, Experimentalphysik I Universität Augsburg, Germany;

Institute of Semiconductor Physics Russian Academy of Sciences Novosibirsk, Russia;

Center for X-ray Optics Lawrence Berkeley National Laboratory Berkeley, California 94720, USA;

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正文语种 eng
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关键词
Spin waves; exchange bias; CoFeB; magnetic ripple domains; surface acoustic waves; SAW; photo-excitation electron microscopy; XPEEM;

机译：自旋波;交换偏见钴铁磁波纹域;表面声波锯;光激发电子显微镜XPEEM;

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1. ATTENUATION OF SURFACE ACOUSTIC WAVES BY SPIN-WAVE EXCITATIONS IN Co_(60)Fe_(20)B_(20) [J] . K. M. SEEMANN, F. KRONAST, A.HÖRNER, SPIN . 2014,第1期

机译：CO_（60）FE_（20）B_（20）中的旋转波激发振荡衰减表面声波
2. Differential scanning calorimetric determination of the thermal properties of amorphous Co_(60)Fe_(20)B_(20) and Co_(40)Fe_(40)B_(20) thin films [J] . Yuan-Tsung Chen, S. H. Lin, W. H. Hsieh Applied Physics Letters . 2013,第5期

机译：差示扫描量热法测定非晶Co_（60）Fe_（20）B_（20）和Co_（40）Fe_（40）B_（20）薄膜的热性能
3. Magnetic field sensing characteristics of MgO based tunneling magnetoresistance devices with Co_(40)Fe_(40)B_(20) and Co_(60)Fe_(20)B_(20) electrodes [J] . Wi?niowski P., Da?bek M., Cardoso S., Sensors and Actuators, A. Physical . 2013,第Null期

机译：Co_（40）Fe_（40）B_（20）和Co_（60）Fe_（20）B_（20）电极的MgO基隧穿磁阻器件的磁场感应特性
4. Magnetodielectric effect in trilayered Co_(65)Fe_(35)B_(20)/PVDF/Co_(65)Fe_(35)B_(20) composite materials. Prediction and measurement for tunable microwave applications [C] . F. Rasoanoavy, V. Laur, S. De Blasi Joint MMM-Intermag Conference . 2010

机译：三叶式CO_（65）Fe_（35）B_（20）/ PVDF / CO_（65）FE_（35）B_（20）复合材料中的磁铁效应。可调谐微波应用的预测和测量
5. Excitation energy deposition and the fission process in the reactions copper-63 + molybdenium-92,100 at 10, 17, 25 and 35 AMeV and neon-20 + samarium-144,148,154 at 20 AMeV. [D] . Lou, Yunian. 1994

机译：在10、17、25和35 AMeV下的铜63 +钼92,100和在20 AMeV下的氖20 + --144,148,154的激发能沉积和裂变过程。
6. Annealing Stability Study of Co20Fe60B20MgO Co20Fe60B20 Perpendicular Magnetic Tunnel Junctions [O] . P. J. Chen, M Zhu, S. Tibus, -1

机译：Co20Fe60B20 MgO Co20Fe60B20垂直磁隧道结的退火稳定性研究
7. X -Ray Absorption Near Edge Structure (XANES) Calculations for the Amorphous $Fe_{80}B_{20}$- and $Ni_{80}B_{20}$-Alloys [O] . Kizler P., Lamparter P., Steeb S. 1989

机译：非晶态$ Fe_ {80} B_ {20} $-和$ Ni_ {80} B_ {20} $-合金的X射线吸收近边缘结构（XANES）计算
8. 20-MHz Acoustic Waves from Pulsed Thermoelastic Expansions of Constrained Surfaces. [R] . von Gutfeld, R. J., Melcher, R. L. 1976

机译：来自受约束表面的脉冲热弹性膨胀的20mHz声波。

ATTENUATION OF SURFACE ACOUSTIC WAVES BY SPIN-WAVE EXCITATIONS IN Co_(60)Fe_(20)B_(20)

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