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Journal Articles

First report of geo- and thermochronological results from the Cordillera Central, Luzon, Philippines

Nakajima, Toru; Sueoka, Shigeru; Nagata, Mitsuhiro; Kohn, B. P.*; Ramos, N. T.*; Tsutsumi, Hiroyuki*; Tagami, Takahiro*

Earth, Planets and Space (Internet), 75(1), p.176_1 - 176_11, 2023/12

Geo- and thermochronological methods were applied to dioritic rocks from the Cordillera Central, Luzon, Philippines, to understand their emplacement and exhumation history in the island arc mountains. Zircon U-Pb ages range from 32.54 $$pm$$ 0.70 to 6.11 $$pm$$ 0.15 (2SE) Ma, indicating that dioritic magmas intruded the middle and upper crust intermittently during Tertiary magmatism. Zircon fission-track (ZFT) pooled ages range from 35.63 $$pm$$ 2.17 to 6.91 $$pm$$ 0.36 (2SE) Ma, and are generally comparable with the U-Pb ages at each locality. These results suggest that the diorites cooled rapidly below 250-350 degree, (i.e. through the partial annealing zone of the ZFT system), following their intrusion. On the other hand, the zircon and apatite (U-Th-Sm)/He (ZHe and AHe) weighted mean ages, ranging from 11.71 $$pm$$ 0.36 to 8.82 $$pm$$ 0.26 and 9.21 $$pm$$ 0.52 to 0.98 $$pm$$ 0.088 (2SE) Ma respectively, indicate a decrease in cooling rates at a lower temperature range, especially through the partial retention zone of the AHe system. This observation suggests that the ZFT ages reflect initial cooling of the dioritic magma, whereas the AHe ages reflect the cooling history associated with regional exhumation following the initial cooling phase. Spatial distribution of the AHe ages suggest that rapid exhumation of the Cordillera Central during the Quaternary resulted from the block-like uplift of the entire mountain range.

Journal Articles

Laser-induced creation of antiferromagnetic 180-degree domains in NiO/Pt bilayers

Meer, H.*; Wust, S.*; Schmitt, C.*; Herrgen, P.*; Fuhrmann, F.*; Hirtle, S.*; Bednarz, B.*; Rajan, A.*; Ramos, R.*; Ni$~n$o, M. A.*; et al.

Advanced Functional Materials, 33(21), p.2213536_1 - 2213536_6, 2023/05

Journal Articles

Current-induced crystallisation in a Heusler-alloy-based giant magnetoresistive junction for neuromorphic potentiation

Zhou, Z.*; Frost, W.*; Lloyd, D. C.*; Seki, Takeshi*; Kubota, Takahide*; Ramos, R.*; Saito, Eiji; Takanashi, Koki; Hirohata, Atsufumi*

Journal of Magnetism and Magnetic Materials, 571, p.170575_1 - 170575_5, 2023/04

Journal Articles

Multiple mechanisms in proton-induced nucleon removal at $$sim$$100 MeV/nucleon

Pohl, T.*; Sun, Y. L.*; Obertelli, A.*; Lee, J.*; G$'o$mez-Ramos, M.*; Ogata, Kazuyuki*; Yoshida, Kazuki; Cai, B. S.*; Yuan, C. X.*; Brown, B. A.*; et al.

Physical Review Letters, 130(17), p.172501_1 - 172501_8, 2023/04

 Times Cited Count:2 Percentile:90.46(Physics, Multidisciplinary)

We report on the first proton-induced single proton- and neutron-removal reactions from the neutron deficient $$^{14}$$O nucleus with large Fermi-surface asymmetry at $$sim$$100 MeV/nucleon. Our results provide the first quantitative contributions of multiple reaction mechanisms including the quasifree knockout, inelastic scattering, and nucleon transfer processes. It is shown that the inelastic scattering and nucleon transfer, usually neglected at such energy regime, contribute about 50% and 30% to the loosely bound proton and deeply bound neutron removal, respectively.

Journal Articles

Magnetic sensitivity distribution of Hall devices in antiferromagnetic switching experiments

Schreiber, F.*; Meer, H.*; Schmitt, C.*; Ramos, R.*; Saito, Eiji; Baldrati, L.*; Kl$"a$ui, M.*

Physical Review Applied (Internet), 16(6), p.064023_1 - 064023_9, 2021/12

 Times Cited Count:2 Percentile:18.63(Physics, Applied)

Journal Articles

Investigation of the ground-state spin inversion in the neutron-rich $$^{47,49}$$Cl isotopes

Linh, B. D.*; Corsi, A.*; Gillibert, A.*; Obertelli, A.*; Doornenbal, P.*; Barbieri, C.*; Chen, S.*; Chung, L. X.*; Duguet, T.*; G$'o$mez-Ramos, M.*; et al.

Physical Review C, 104(4), p.044331_1 - 044331_16, 2021/10

AA2021-0468.pdf:1.29MB

 Times Cited Count:3 Percentile:48.27(Physics, Nuclear)

no abstracts in English

Journal Articles

Observation of nuclear-spin Seebeck effect

Kikkawa, Takashi*; Reitz, D.*; Ito, Hiroaki*; Makiuchi, Takahiko*; Sugimoto, Takaaki*; Tsunekawa, Kakeru*; Daimon, Shunsuke*; Oyanagi, Koichi*; Ramos, R.*; Takahashi, Saburo*; et al.

Nature Communications (Internet), 12, p.4356_1 - 4356_7, 2021/07

 Times Cited Count:16 Percentile:88.21(Multidisciplinary Sciences)

Journal Articles

Evaluation of edge domains in giant magnetoresistive junctions

Frost, W.*; Seki, Takeshi*; Kubota, Takahide*; Ramos, R.*; Saito, Eiji; Takanashi, Koki*; Hirohata, Atsufumi*

Applied Physics Letters, 118(17), p.172405_1 - 172405_5, 2021/04

 Times Cited Count:1 Percentile:8.23(Physics, Applied)

Journal Articles

Experimental evidence for common driving effects in low-energy fission from sublead to actinides

Schmitt, C.*; Lemasson, A.*; Schmidt, K.-H.*; Jhingan, A.*; Biswas, S.*; Kim, Y. H.*; Ramos, D.*; Andreyev, A. N.; Curien, D.*; Ciemala, M.*; et al.

Physical Review Letters, 126(13), p.132502_1 - 132502_6, 2021/04

 Times Cited Count:13 Percentile:83.62(Physics, Multidisciplinary)

Journal Articles

Direct imaging of current-induced antiferromagnetic switching revealing a pure thermomagnetoelastic switching mechanism in NiO

Meer, H.*; Schreiber, F.*; Schmitt, C.*; Ramos, R.*; Saito, Eiji; Gomonay, O.*; Sinova, J.*; Baldrati, L.*; Kl$"a$ui, M.*

Nano Letters, 21(1), p.114 - 119, 2021/01

 Times Cited Count:45 Percentile:97.1(Chemistry, Multidisciplinary)

Journal Articles

Observation of quantum interference conductance fluctuations in metal rings with strong spin-orbit coupling

Ramos, R.*; Makiuchi, Takahiko*; Kikkawa, Takashi*; Daimon, Shunsuke*; Oyanagi, Koichi*; Saito, Eiji

Applied Physics Letters, 117(24), p.242402_1 - 242402_5, 2020/12

 Times Cited Count:1 Percentile:5.69(Physics, Applied)

Journal Articles

Simultaneous determination of neutron-induced fission and radiative capture cross sections from decay probabilities obtained with a surrogate reaction

P$'e$rez S$'a$nchez, R.*; Jurado, B.*; M$'e$ot, V.*; Roig, O.*; Dupuis, M.*; Bouland, O.*; Denis-Petit, D.*; Marini, P.*; Mathieu, L.*; Tsekhanovich, I.*; et al.

Physical Review Letters, 125(12), p.122502_1 - 122502_5, 2020/09

 Times Cited Count:8 Percentile:70.98(Physics, Multidisciplinary)

Journal Articles

Concurrent magneto-optical imaging and magneto-transport readout of electrical switching of insulating antiferromagnetic thin films

Schreiber, F.*; Baldrati, L.*; Schmitt, C.*; Ramos, R.*; Saito, Eiji; Lebrun, R.*; Kl$"a$ui, M.*

Applied Physics Letters, 117(8), p.082401_1 - 082401_5, 2020/08

 Times Cited Count:23 Percentile:83.85(Physics, Applied)

Journal Articles

Efficient spin torques in antiferromagnetic CoO/Pt quantified by comparing field- and current-induced switching

Baldrati, L.*; Schmitt, C.*; Gomonay, O.*; Lebrun, R.*; Ramos, R.*; Saito, Eiji; Sinova, J.*; Kl$"a$ui, M.*

Physical Review Letters, 125(7), p.077201_1 - 077201_6, 2020/08

 Times Cited Count:32 Percentile:91.83(Physics, Multidisciplinary)

Journal Articles

Sequential nature of ($$p,3p$$) two-proton knockout from neutron-rich nuclei

Frotscher, A.*; G$'o$mez-Ramos, M.*; Obertelli, A.*; Doornenbal, P.*; Authelet, G.*; Baba, Hidetada*; Orlandi, R.; 86 of others*

Physical Review Letters, 125(1), p.012501_1 - 012501_7, 2020/07

 Times Cited Count:4 Percentile:39.42(Physics, Multidisciplinary)

Journal Articles

Absence of evidence of spin transport through amorphous Y$$_3$$Fe$$_5$$O$$_{12}$$

Gomez-Perez, J. M.*; Oyanagi, Koichi*; Yahiro, Reimei*; Ramos, R.*; Hueso, L. E.*; Saito, Eiji; Casanova, F.*

Applied Physics Letters, 116(3), p.032401_1 - 032401_5, 2020/01

 Times Cited Count:9 Percentile:54.31(Physics, Applied)

Journal Articles

In-source laser spectroscopy of dysprosium isotopes at the ISOLDE-RILIS

Chrysalidis, K.*; Barzakh, A. E.*; Ahmed, R.*; Andreyev, A. N.; Ballof, J.*; Cubiss, J. G.*; Fedorov, D. V.*; Fedosseev, V. N.*; Fraile, L. M.*; Harding, R. D.*; et al.

Nuclear Instruments and Methods in Physics Research B, 463, p.472 - 475, 2020/01

 Times Cited Count:3 Percentile:36.99(Instruments & Instrumentation)

A number of radiogenically produced dysprosium isotopes have been studied by in-source laser spectroscopy at ISOLDE using the Resonance Ionization Laser Ion Source (RILIS). Isotope shifts were measured relative to $$^{152}$$Dy in the $$4f^{10}6s^{2}~^{5}I_{8}$$ (gs) $$rightarrow$$ $$4f^{10}6s6p~(8,1)^{0}_{8}$$ (418.8 nm $$_{rm VAC}$$)resonance transition. The electronic factor, $$F$$, and mass shift factor, M, were extracted and used for determining the changes in mean-squared charge radii for $$^{rm 145m}$$Dy and $$^{rm 147m}$$Dy for the first time.

Journal Articles

Magnon polarons in the spin Peltier effect

Yahiro, Reimei*; Kikkawa, Takashi*; Ramos, R.*; Oyanagi, Koichi*; Hioki, Tomosato*; Daimon, Shunsuke*; Saito, Eiji

Physical Review B, 101(2), p.024407_1 - 024407_7, 2020/01

 Times Cited Count:18 Percentile:78.55(Materials Science, Multidisciplinary)

Journal Articles

Further theoretical analysis on the $$K$$$$^{-3}$$He$$rightarrow$$$$Lambda$$$$pn$$ reaction for the $$bar{K} N N$$ bound-state search in the J-PARC E15 experiment

Sekihara, Takayasu; Oset, E.*; Ramos, A.*

JPS Conference Proceedings (Internet), 26, p.023009_1 - 023009_4, 2019/11

Journal Articles

Room temperature and low-field resonant enhancement of spin Seebeck effect in partially compensated magnets

Ramos, R.*; Hioki, Tomosato*; Hashimoto, Yusuke*; Kikkawa, Takashi*; Frey, P.*; Kreil, A. J. E.*; Vasyuchka, V. I.*; Serga, A. A.*; Hillebrands, B.*; Saito, Eiji

Nature Communications (Internet), 10, p.5162_1 - 5162_8, 2019/11

 Times Cited Count:21 Percentile:77.31(Multidisciplinary Sciences)

38 (Records 1-20 displayed on this page)