Yukiko Takahashi

2012

Effect of NiAl underlayer and spacer on magnetoresistance of current-perpendicular-to-plane spin valves using Co₂Mn(Ga _0.5Sn_0.5) Heusler alloy

Hase, N., Nakatani, T. M., Kasai, S., Takahashi, Y. K., Furubayashi, T. & Hono, K., 2012 2, In: Journal of Magnetism and Magnetic Materials. 324, 4, p. 440-444 5 p.

研究成果 › 査読

13 被引用数 (Scopus)

Magnetic properties and spin polarization of Co ₂Mn(Si _xSn _1-x) alloys containing two L2 ₁ phases

Srinivasan, A., Rajanikanth, A., Takahashi, Y. K. & Hono, K., 2012 2 15, In: Journal of Alloys and Compounds. 514, p. 195-198 4 p.

研究成果 › 査読

4 被引用数 (Scopus)

Microwave assisted resonant domain wall nucleation in permalloy nanowires

Hayashi, M., Takahashi, Y. K. & Mitani, S., 2012 10 22, In: Applied Physics Letters. 101, 17, 172406.

研究成果: Article › 査読

7 被引用数 (Scopus)

Nd₂Fe₁₄B/FeCo anisotropic nanocomposite films with a large maximum energy product

Cui, W. B., Takahashi, Y. K. & Hono, K., 2012 12 18, In: Advanced Materials. 24, 48, p. 6530-6535 6 p.

研究成果 › 査読

142 被引用数 (Scopus)

Spin polarization and Gilbert damping of Co ₂Fe(Ga _xGe _1-x) Heusler alloys

Varaprasad, B. S. D. C. S., Srinivasan, A., Takahashi, Y. K., Hayashi, M., Rajanikanth, A. & Hono, K., 2012 10, In: Acta Materialia. 60, 18, p. 6257-6265 9 p.

研究成果: Article › 査読

77 被引用数 (Scopus)

Spin polarization of alternate monatomic epitaxial [Fe/Co] _n superlattice

Chu, I. C., Doi, M., Sahashi, M., Rajanikanth, A., Takahashi, Y. & Hono, K., 2012 9, In: Japanese journal of applied physics. 51, 9, 093006.

研究成果: Article › 査読

1 被引用数 (Scopus)

Time-domain observation of the spinmotive force in Permalloy nanowires

Hayashi, M., Ieda, JI., Yamane, Y., Ohe, J. I., Takahashi, Y. K., Mitani, S. & Maekawa, S., 2012 4 5, In: Physical Review Letters. 108, 14, 147202.

研究成果 › 査読

31 被引用数 (Scopus)

Transmission electron microscopy study on the effect of various capping layers on CoFeB/MgO/CoFeB pseudo spin valves annealed at different temperatures

Karthik, S. V., Takahashi, Y. K., Ohkubo, T., Hono, K., Gan, H. D., Ikeda, S. & Ohno, H., 2012 4 15, In: Journal of Applied Physics. 111, 8, 083922.

研究成果 › 査読

48 被引用数 (Scopus)

2011

Bi-quadratic interlayer exchange coupling in Co ₂MnSi/Ag/Co ₂MnSi pseudo spin-valve

Goripati, H. S., Hayashi, M., Furubayashi, T., Taniguchi, T., Sukegawa, H., Takahashi, Y. K. & Hono, K., 2011 12 15, In: Journal of Applied Physics. 110, 12, 123914.

研究成果 › 査読

6 被引用数 (Scopus)

Effect of film morphology on the magnetic properties for NdFeB thin films

Sato, T., Kato, H., Shima, T., Takahashi, Y. K. & Hono, K., 2011 1, In: Journal of Magnetism and Magnetic Materials. 323, 1, p. 162-165 4 p.

研究成果 › 査読

17 被引用数 (Scopus)

Enhancement of current-perpendicular-to-plane giant magnetoresistance by insertion of Co₅₀Fe₅₀ layers at the Co ₂Mn(Ga_0.5Sn_0.5)/Ag interface

Hase, N., Nakatani, T. M., Kasai, S., Takahashi, Y. K. & Hono, K., 2011 4 1, In: Journal of Applied Physics. 109, 7, 07E112.

研究成果 › 査読

12 被引用数 (Scopus)

FePtAg-C nanogranular film as thermally assisted magnetic recording (TAR) media

Zhang, L., Takahashi, Y. K., Hono, K., Stipe, B. C., Juang, J. Y. & Grobis, M., 2011 10, In: IEEE Transactions on Magnetics. 47, 10, p. 4062-4065 4 p., 6027541.

研究成果 › 査読

21 被引用数 (Scopus)

L1₀-ordered FePtAg-C granular thin film for thermally assisted magnetic recording media (invited)

Zhang, L., Takahashi, Y. K., Hono, K., Stipe, B. C., Juang, J. Y. & Grobis, M., 2011 4 1, In: Journal of Applied Physics. 109, 7, 07B703.

研究成果 › 査読

66 被引用数 (Scopus)

Large amplitude microwave emission and reduced nonlinear phase noise in Co₂Fe(Ge_0.5Ga_0.5) Heusler alloy based pseudo spin valve nanopillars

Sinha, J., Hayashi, M., Takahashi, Y. K., Taniguchi, T., Drapeko, M., Mitani, S. & Hono, K., 2011 10 17, In: Applied Physics Letters. 99, 16, 162508.

研究成果: Article › 査読

26 被引用数 (Scopus)

Large magnetoresistance in current-perpendicular-to-plane pseudospin valve using a Co₂ Fe (Ge_0.5 Ga_0.5) Heusler alloy

Takahashi, Y. K., Srinivasan, A., Varaprasad, B., Rajanikanth, A., Hase, N., Nakatani, T. M., Kasai, S., Furubayashi, T. & Hono, K., 2011 4 11, In: Applied Physics Letters. 98, 15, 152501.

研究成果 › 査読

90 被引用数 (Scopus)

Low-temperature grown quaternary Heusler-compound Co₂Mn _1-xFe_xSi films on Ge(111)

Yamada, S., Hamaya, K., Murakami, T., Varaprasad, B., Takahashi, Y. K., Rajanikanth, A., Hono, K. & Miyao, M., 2011 4 1, In: Journal of Applied Physics. 109, 7, 07B113.

研究成果 › 査読

23 被引用数 (Scopus)

Microstructure optimization to achieve high coercivity in anisotropic Nd-Fe-B thin films

Cui, W. B., Takahashi, Y. K. & Hono, K., 2011 12, In: Acta Materialia. 59, 20, p. 7768-7775 8 p.

研究成果 › 査読

82 被引用数 (Scopus)

Spin polarization measurements of Co₂Mn (Ga_0.5Sn _0.5) thin films

Varaprasad, B. S. D. C. S., Rajanikanth, A., Takahashi, Y. K. & Hono, K., 2011 12, In: Journal of Magnetism and Magnetic Materials. 323, 23, p. 3092-3097 6 p.

研究成果 › 査読

The effect of substitution of Fe with Cr on the giant magnetoresistance of current-perpendicular-to-plane spin valves with Co₂FeSi Heusler alloy

Goripati, H. S., Furubayashi, T., Karthik, S. V., Nakatani, T. M., Takahashi, Y. K. & Hono, K., 2011 2 15, In: Journal of Applied Physics. 109, 4, 043901.

研究成果 › 査読

11 被引用数 (Scopus)

2010

Bulk and interfacial scatterings in current-perpendicular-to-plane giant magnetoresistance with Co₂Fe (Al_0.5Si_0.5) Heusler alloy layers and Ag spacer

Nakatani, T. M., Furubayashi, T., Kasai, S., Sukegawa, H., Takahashi, Y. K., Mitani, S. & Hono, K., 2010 5 24, In: Applied Physics Letters. 96, 21, 212501.

研究成果: Article › 査読

124 被引用数 (Scopus)

Current-perpendicular-to-plane spin valves with a Co₂Mn (Ga _0.5Sn_0.5) Heusler alloy

Hase, N., Varaprasad, B. S. D. C. S., Nakatani, T. M., Sukegawa, H., Kasai, S., Takahashi, Y. K., Furubayashi, T. & Hono, K., 2010 11 1, In: Journal of Applied Physics. 108, 9, 093916.

研究成果 › 査読

20 被引用数 (Scopus)

Enhanced spin polarization of Co₂MnGe Heusler alloy by substitution of Ga for Ge

Varaprasad, B. S. D. C. S., Rajanikanth, A., Takahashi, Y. K. & Hono, K., 2010 2, In: Applied Physics Express. 3, 2, 023002.

研究成果 › 査読

35 被引用数 (Scopus)

Fabrication and characterization of highly textured Nd-Fe-B thin film with a nanosized columnar grain structure

You, C. Y., Takahashi, Y. K. & Hono, K., 2010 8 15, In: Journal of Applied Physics. 108, 4, 043901.

研究成果 › 査読

15 被引用数 (Scopus)

FePtAg-C nanogranular films fabricated on a heat resistant glass substrate for perpendicular magnetic recording

Perumal, A., Zhang, L., Takahashi, Y. K. & Hono, K., 2010 10 15, In: Journal of Applied Physics. 108, 8, 083907.

研究成果: Article › 査読

17 被引用数 (Scopus)

High spin-filter efficiency in a Co ferrite fabricated by a thermal oxidation

Takahashi, Y. K., Kasai, S., Furubayashi, T., Mitani, S., Inomata, K. & Hono, K., 2010, In: Applied Physics Letters. 96, 7, 072512.

研究成果 › 査読

65 被引用数 (Scopus)

L1₀-ordered high coercivity (FePt)AgC granular thin films for perpendicular recording

Zhang, L., Takahashi, Y. K., Perumal, A. & Hono, K., 2010 9, In: Journal of Magnetism and Magnetic Materials. 322, 18, p. 2658-2664 7 p.

研究成果 › 査読

158 被引用数 (Scopus)

Structural characterizations of Co₂MnSi/MgO/Co₂MnSi magnetic tunnel junctions by transmission electron microscopy

Nakatani, T. M., Takahashi, Y. K., Ishikawa, T., Yamamoto, M. & Hono, K., 2010 2, In: Journal of Magnetism and Magnetic Materials. 322, 3, p. 357-361 5 p.

研究成果: Article › 査読

11 被引用数 (Scopus)

Structure and transport properties of current-perpendicular-to-plane spin valves using Co₂FeA_l0.5Si_0.5 and Co ₂MnSi Heusler alloy electrodes

Furubayashi, T., Kodama, K., Nakatani, T. M., Sukegawa, H., Takahashi, Y. K., Inomata, K. & Hono, K., 2010 6 1, In: Journal of Applied Physics. 107, 11, 113917.

研究成果: Article › 査読

24 被引用数 (Scopus)

2009

Coercive field and energy barriers in partially disordered FePt nanoparticles

Aranda, G. R., Chubykalo-Fesenko, O., Yanes, R., González, J., Del Val, J. J., Chantrell, R. W., Takahashi, Y. K. & Hono, K., 2009, In: Journal of Applied Physics. 105, 7, 07B514.

研究成果 › 査読

5 被引用数 (Scopus)

Consolidation of hydrogenation-disproportionation-desorption-recombination processed Nd-Fe-B magnets by spark plasma sintering

Suresh, K., Ohkubo, T., Takahashi, Y. K., Oh-ishi, K., Gopalan, R., Hono, K., Nishiuchi, T., Nozawa, N. & Hirosawa, S., 2009 11, In: Journal of Magnetism and Magnetic Materials. 321, 22, p. 3681-3686 6 p.

研究成果 › 査読

22 被引用数 (Scopus)

FePt-C nanogranular films for perpendicular magnetic recording

Perumal, A., Takahashi, Y. K. & Hono, K., 2009, In: Journal of Applied Physics. 105, 7, 07B732.

研究成果 › 査読

27 被引用数 (Scopus)

Fe-Ta-C soft underlayer for double-layered perpendicular recording media

Perumal, A., Takahashi, Y. K. & Hono, K., 2009, In: Journal of Applied Physics. 105, 7, 07A304.

研究成果 › 査読

11 被引用数 (Scopus)

Highly spin-polarized Co₂MnGa_0.5Sn_0.5 Heusler compound

Varaprasad, B. S. D. C. S., Rajanikanth, A., Takahashi, Y. K. & Hono, K., 2009 5, In: Acta Materialia. 57, 9, p. 2702-2709 8 p.

研究成果 › 査読

46 被引用数 (Scopus)

Interlayer exchange coupling in Co₂FeAl_0.5Si _0.5/Cr/Co₂ FeAl_0.5Si_0.5 trilayers

Furubayashi, T., Kodama, K., Goripati, H. S., Takahashi, Y. K., Inomata, K. & Hono, K., 2009, In: Journal of Applied Physics. 105, 7, 07C305.

研究成果 › 査読

2 被引用数 (Scopus)

Spin polarization of Co-Fe alloys estimated by point contact Andreev reflection and tunneling magnetoresistance

Karthik, S. V., Nakatani, T. M., Rajanikanth, A., Takahashi, Y. K. & Hono, K., 2009, In: Journal of Applied Physics. 105, 7, 07C916.

研究成果 › 査読

15 被引用数 (Scopus)

Spin polarization of Fe₄N thin films determined by point-contact Andreev reflection

Narahara, A., Ito, K., Suemasu, T., Takahashi, Y. K., Ranajikanth, A. & Hono, K., 2009, In: Applied Physics Letters. 94, 20, 202502.

研究成果: Article › 査読

56 被引用数 (Scopus)

Suppression of magnon excitations in Co₂MnSi Heusler alloy by Nd doping

Rajanikanth, A., Takahashi, Y. K. & Hono, K., 2009, In: Journal of Applied Physics. 105, 6, 063916.

研究成果: Article › 査読

6 被引用数 (Scopus)

Transmission electron microscopy investigation of CoFeB/MgO/CoFeB pseudospin valves annealed at different temperatures

Karthik, S. V., Takahashi, Y. K., Ohkubo, T., Hono, K., Ikeda, S. & Ohno, H., 2009, In: Journal of Applied Physics. 106, 2, 023920.

研究成果: Article › 査読

78 被引用数 (Scopus)

2008

Boron segregation in crystallized MgO/amorphous- Co40 Fe40 B20 thin films

You, C. Y., Ohkubo, T., Takahashi, Y. K. & Hono, K., 2008, In: Journal of Applied Physics. 104, 3, 033517.

研究成果 › 査読

41 被引用数 (Scopus)

Current-perpendicular-to-plane giant magnetoresistance in spin-valve structures using epitaxial Co₂ FeAl_0.5 Si_0.5 /Ag/ Co₂ FeAl_0.5 Si_0.5 trilayers

Furubayashi, T., Kodama, K., Sukegawa, H., Takahashi, Y. K., Inomata, K. & Hono, K., 2008, In: Applied Physics Letters. 93, 12, 122507.

研究成果 › 査読

141 被引用数 (Scopus)

Effect of base pressure on the structure and magnetic properties of FePt thin films

Asthana, A., Takahashi, Y. K., Matsui, Y. & Hono, K., 2008 2, In: Journal of Magnetism and Magnetic Materials. 320, 3-4, p. 250-256 7 p.

研究成果: Article › 査読

9 被引用数 (Scopus)

Exchange bias of spin valve structure with a top-pinned Co40 Fe40 B20 IrMn

You, C. Y., Goripati, H. S., Furubayashi, T., Takahashi, Y. K. & Hono, K., 2008, In: Applied Physics Letters. 93, 1, 012501.

研究成果: Article › 査読

45 被引用数 (Scopus)

L1₀ FePt-C nanogranular perpendicular anisotropy films with narrow size distribution

Peruma, A., Takahashi, Y. K. & Hono, K., 2008 10, In: Applied Physics Express. 1, 10, p. 1013011-1013013 3 p.

研究成果 › 査読

49 被引用数 (Scopus)

Microstructure and magnetic properties of FePt-SiO2 granular films with Ag addition

Seki, T. O., Takahashi, Y. K. & Hono, K., 2008, In: Journal of Applied Physics. 103, 2, 023910.

研究成果: Article › 査読

50 被引用数 (Scopus)

Microstructure of CoNiFeB electroless-deposited soft magnetic underlayer for perpendicular recording media

Takahashi, Y. K., Hono, K., Ishii, M., Itoh, S. & Ohashi, K., 2008 2, In: Journal of Magnetism and Magnetic Materials. 320, 3-4, p. 490-495 6 p.

研究成果 › 査読

3 被引用数 (Scopus)

Particulate structure of L 10 ordered ultrathin FePt films for perpendicular recording

Perumal, A., Takahashi, Y. K., Seki, T. O. & Hono, K., 2008, In: Applied Physics Letters. 92, 13, 132508.

研究成果 › 査読

72 被引用数 (Scopus)

The effect of iron addition on the spin polarization and magnetic properties of Co₂CrGa Heusler alloy

Nakatani, T. M., Gercsi, Z., Rajanikanth, A., Takahashi, Y. K. & Hono, K., 2008 11 21, In: Journal of Physics D: Applied Physics. 41, 22, 225002.

研究成果 › 査読

16 被引用数 (Scopus)

The enhancement of the spin polarization of Co₂ MnSn by Fe doping

Rajanikanth, A., Takahashi, Y. K. & Hono, K., 2008, In: Journal of Applied Physics. 103, 10, 103904.

研究成果: Article › 査読

10 被引用数 (Scopus)

2007

Effect of Cr substitution for Fe on the spin polarization of Co2 Crx Fe1-x Si Heusler alloys

Karthik, S. V., Rajanikanth, A., Nakatani, T. M., Gercsi, Z., Takahashi, Y. K., Furubayashi, T., Inomata, K. & Hono, K., 2007, In: Journal of Applied Physics. 102, 4, 043903.

研究成果 › 査読

29 被引用数 (Scopus)

Fabrication and characterization of Co-ferrite thin films for a ferromagnetic barrier in a spin-filtering device operating at room temperature

Goto, R., Takahashi, Y. K., Tezuka, N., Inomata, K., Sugimoto, S. & Hono, K., 2007 6, In: IEEE Transactions on Magnetics. 43, 6, p. 2797-2799 3 p.

研究成果 › 査読

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