Reservoir Computing on Spin-Torque Oscillator Array

Authors: Kanao, Taro, Suto, Hirofumi, Mizushima, Koichi, Goto, Hayato, Tanamoto, Tetsufumi, Nagasawa, Tazumi

Source: Phys. Rev. Applied 12, 024052 (2019)

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Disordered Systems and Neural Networks, Physics - Applied Physics

Access URL: http://arxiv.org/abs/1905.07937

Microwave assisted magnetic Recording: Physics and application to hard disk drives

Authors: Takagishi, Masayuki ^⁎, Narita, Naoyuki, Nakagawa, Yuji, Nagasawa, Tazumi, Osamura, Ryo, Maeda, Tomoyuki, Yamada, Kenichiro

Source: In Journal of Magnetism and Magnetic Materials 1 December 2022 563

Spin-torque oscillator with coupled out-of-plane oscillation layers for microwave-assisted magnetic recording: Experimental, analytical, and numerical studies

Authors: Nakagawa, Yuji, Takagishi, Masayuki, Narita, Naoyuki, Nagasawa, Tazumi, Koizumi, Gaku, Chen, Wenyu, Kawasaki, Shohei, Roppongi, Tetsuya, Takeo, Akihiko, Maeda, Tomoyuki

Source: Applied physics letters. 122(4)

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100175552265.0x000001&indx=1&recIds=ETOCvdc_100175552265.0x000001

Measurement of nonlinear frequency shift coefficient in spin-torque oscillators based on MgO tunnel junctions

Authors: Kudo, Kiwamu, Nagasawa, Tazumi, Sato, Rie, Mizushima, Koichi

Subject Terms: Condensed Matter - Materials Science, Condensed Matter - Other Condensed Matter

Access URL: http://arxiv.org/abs/0906.5224

Amplitude-Phase Coupling in a Spin-Torque Nano-Oscillator

Authors: Kudo, Kiwamu, Nagasawa, Tazumi, Sato, Rie, Mizushima, Koichi

Subject Terms: Condensed Matter - Materials Science, Condensed Matter - Other Condensed Matter

Access URL: http://arxiv.org/abs/0811.0425

Magnetization dynamics of a flux control device fabricated in the write gap of a hard-disk-drive write head for high-density recording

Authors: Suto, Hirofumi, Takagishi, Masayuki, Narita, Naoyuki, Iwasaki, Hitoshi, Nagasawa, Tazumi, Koizumi, Gaku, Takeo, Akihiko, Maeda, Tomoyuki

Source: Journal of applied physics. 129(10)

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100134341578.0x000001&indx=1&recIds=ETOCvdc_100134341578.0x000001

Magnetization switching of a perpendicular nanomagnet induced by vertical nonlocal injection of pure spin current.

Authors: Suto, Hirofumi¹ hirofumi.suto@toshiba.co.jp, Nagasawa, Tazumi¹, Kanao, Taro¹, Yamada, Kenichiro¹, Mizushima, Koichi¹

Source: Scientific Reports. 12/20/2019, Vol. 9 Issue 1, p1-9. 9p.

Subject Terms: *MAGNETIZATION, *NANOMAGNETICS, *MAGNETIC nanoparticles, *MAGNETORESISTIVE devices, *OSCILLATIONS

Microwave-magnetic-field-induced magnetization excitation and assisted switching of antiferromagnetically coupled magnetic bilayer with perpendicular magnetization.

Authors: Suto, Hirofumi¹, hirofumi.suto@toshiba.co.jp, Kanao, Taro¹, Nagasawa, Tazumi¹, Mizushima, Koichi¹, Sato, Rie¹, Kikuchi, Nobuaki², Okamoto, Satoshi²

Source: Journal of Applied Physics; 2019, Vol. 125 Issue 15, pN.PAG-N.PAG, 10p, 1 Diagram, 1 Chart, 9 Graphs

Three-dimensional magnetic recording and reproducing apparatus including a plurality of magnetic layers having different resonant frequencies

Simulations and Experiments Toward High-Data-Transfer-Rate Readers Composed of a Spin-Torque Oscillator

Authors: Sato, Rie, Kudo, Kiwamu, Nagasawa, Tazumi, Suto, Hirofumi, Mizushima, Koichi

Source: IEEE transactions on magnetics. 48(5):1758-1764

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100094358399.0x000001&indx=1&recIds=ETOCvdc_100094358399.0x000001

Magnetic oscillator

Spin-torque oscillator

Reproducing head with spin-torque oscillator, and magnetic recording and reproducing apparatus

Nonvolatile memory device

High-frequency magnetic field generation element and magnetic head

Transient magnetization dynamics of spin-torque oscillator and magnetic dot coupled by magnetic dipolar interaction: Reading of magnetization direction using magnetic resonance

Authors: Kanao, Taro, Suto, Hirofumi, Kudo, Kiwamu, Nagasawa, Tazumi, Mizushima, Koichi, Sato, Rie

Source: Journal of applied physics. 123(4)

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100090548142.0x000001&indx=1&recIds=ETOCvdc_100090548142.0x000001

Magnetic oscillator

THREE-DIMENSIONAL MAGNETIC RECORDING AND REPRODUCING APPARATUS

MAGNETIC OSCILLATOR

Magnetic oscillation element