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Search Results: Records 1-20 displayed on this page of 20

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Journal Articles

Two-step Mott transition in Ni(S,Se); SR studies and charge-spin percolation model

Sheng, Q.*; Kaneko, Tatsuya*; Yamakawa, Kohtaro*; Guguchia, Z.*; Gong, Z.*; Zhao, G.*; Dai, G.*; Jin, C.*; Guo, S.*; Fu, L.*; et al.

Physical Review Research (Internet), 4(3), p.033172_1 - 033172_14, 2022/09

https://doi.org/10.1103/PhysRevResearch.4.033172

Journal Articles

Strong local moment antiferromagnetic spin fluctuations in V-doped LiFeAs

Xu, Z.*; Dai, G.*; Li, Y.*; Yin, Z.*; Rong, Y.*; Tian, L.*; Liu, P.*; Wang, H.*; Xing, L.*; Wei, Y.*; et al.

npj Quantum Materials (Internet), 5(1), p.11_1 - 11_7, 2020/02

https://doi.org/10.1038/s41535-020-0212-x

Times Cited Count：4 Percentile：33.13(Materials Science, Multidisciplinary)

Journal Articles

A New approach for measuring the muon anomalous magnetic moment and electric dipole moment

Abe, Mitsushi*; Bae, S.*; Beer, G.*; Bunce, G.*; Choi, H.*; Choi, S.*; Chung, M.*; da Silva, W.*; Eidelman, S.*; Finger, M.*; et al.

Progress of Theoretical and Experimental Physics (Internet), 2019(5), p.053C02_1 - 053C02_22, 2019/05

https://doi.org/10.1093/ptep/ptz030

Times Cited Count：161 Percentile：99.30(Physics, Multidisciplinary)

This paper introduces a new approach to measure the muon magnetic moment anomaly $a_{mu}=(g-2)/2$ and the muon electric dipole moment (EDM) $d_{mu}$ at the J-PARC muon facility. The goal of our experiment is to measure $a_{mu}$ and $d_{mu}$ using an independent method with a factor of 10 lower muon momentum, and a factor of 20 smaller diameter storage-ring solenoid compared with previous and ongoing muon g-2 experiments with unprecedented quality of the storage magnetic field. Additional significant differences from the present experimental method include a factor of 1000 smaller transverse emittance of the muon beam (reaccelerated thermal muon beam), its efficient vertical injection into the solenoid, and tracking each decay positron from muon decay to obtain its momentum vector. The precision goal for $a_{mu}$ is a statistical uncertainty of 450 parts per billion (ppb), similar to the present experimental uncertainty, and a systematic uncertainty less than 70 ppb. The goal for EDM is a sensitivity of $1.5times10^{-21}$ ecm.

Journal Articles

Uniaxial pressure effect on the magnetic ordered moment and transition temperatures in BaFe $_{2-x}$ T $_{x}$ As $_{2}$ ( = Co,Ni)

Tam, D. M.*; Song, Y.*; Man, H.*; Cheung, S. C.*; Yin, Z.*; Lu, X.*; Wang, W.*; Frandsen, B. A.*; Liu, L.*; Gong, Z.*; et al.

Physical Review B, 95(6), p.060505_1 - 060505_6, 2017/02

https://doi.org/10.1103/PhysRevB.95.060505

Times Cited Count：24 Percentile：68.44(Materials Science, Multidisciplinary)

Journal Articles

Spin excitations in optimally P-doped BaFe(As $_{0.7}$ P $_{0.3}$ ) superconductor

Hu, D.*; Yin, Z.*; Zhang, W.*; Ewings, R. A.*; Ikeuchi, Kazuhiko*; Nakamura, Mitsutaka; Roessli, B.*; Wei, Y.*; Zhao, L.*; Chen, G.*; et al.

Physical Review B, 94(9), p.094504_1 - 094504_7, 2016/09

AA2016-0252.pdf:2.18MB

https://doi.org/10.1103/PhysRevB.94.094504

Times Cited Count：20 Percentile：62.63(Materials Science, Multidisciplinary)

The temperature and energy dependence of spin excitations in an optimally P-doped BaFe(As $_{0.7}$ P $_{0.3}$ ) superconductor (T = 30 K) were studied by using inelastic neutron scattering. Experimental results are consistent with calculations from a combined density functional theory and dynamical mean field theory, and suggest that the decreased average pnictogen height in BaFe(As $_{0.7}$ P $_{0.3}$ ) reduces the strength of electron correlations and increases the effective bandwidth of magnetic excitation.

Journal Articles

The Spectrum and laser properties of ytterbium doped phosphate glass at low temperature

Dai, S.*; Sugiyama, Akira; Hu, L.*; Liu, Z.*; Huang, G.*; Jiang, Z.*

Journal of Non-Crystalline Solids, 311(2), p.138 - 144, 2002/11

https://doi.org/10.1016/S0022-3093(02)01365-0

Low-temperature absorption and fluorescence spectra of the Yb3+ ions were measured in phosphate glass with compositions of (60-65)P $_{2}$ O $_{5}$ -(4-8)B $_{2}$ O $_{3}$ -(5-10)Al $_{2}$ O $_{3}$ -(10-15)K $_{2}$ O-(5-10)BaO-(0-2)La $_{2}$ O $_{3}$ -(0-2)Nb $_{2}$ O $_{5}$ -(4-87)Yb $_{2}$ O $_{3}$ in mol-%. Temperature dependence of lifetime from $^{2}$ F $_{5/2}$ upper level of YB $^{3+}$ was investigated with a cryostat. The glass laser performance pumped by 940 nm laser diode was measured at different temperature range. At 8 K, glass laser oscillation had a slope efficiency of 4% and a maximum power of 2 mW at the peak laser wavelength of 1001 nm.

Journal Articles

Study of a new ytterbium doped phosphate laser glass

Dai, S.*; Hu, L.*; Sugiyama, Akira; Izawa, Yasukazu*; Liu, Z.*; Jiang, Z.*

Chinese Science Bulletin, 47(3), p.255 - 259, 2002/02

https://doi.org/10.1360/02tb9062

Times Cited Count：8 Percentile：52.58(Multidisciplinary Sciences)

A new type of ytterbium doped phosphate laser glass has been produced and studied about physical and optical properties such as thermo-mechanical properties, nonlinear properties, crystalline phase, micro defects and spectroscopic properties. In the glass forming process, newly developed OH removing technology was adopted. From the reduction of OH concentration in the glass, upper state fluorescence lifetime reached 2.2 ms. Additionally, the glass shows remarkable athermal property of 0.4210E $^{-6}$ /K, which is around one-tenth of QX/Yb glass.

Journal Articles

A Three-step process for epitaxial growth of (111)-oriented C $_{60}$ films on alkali-halide substrates

Dai, Z.*; Naramoto, Hiroshi; Narumi, Kazumasa; Yamamoto, Shunya; Miyashita, Atsumi

Thin Solid Films, 360(1), p.28 - 33, 2000/02

https://doi.org/10.1016/S0040-6090(99)00877-9

Times Cited Count：2 Percentile：15.17(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Epitaxial growth of rutile films on Si(100) substrates by thermal oxidation of evaporated titanium films in argon flux

Dai, Z.*; Naramoto, Hiroshi; Narumi, Kazumasa; Yamamoto, Shunya

Journal of Physics; Condensed Matter, 11(43), p.8511 - 8516, 1999/11

https://doi.org/10.1088/0953-8984/11/43/314

Times Cited Count：12 Percentile：56.35(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Preparation and characterization of C $_{60}$ films on ionic substrates

Dai, Z.*; Naramoto, Hiroshi; Narumi, Kazumasa; Yamamoto, Shunya

Journal of Physics; Condensed Matter, 11(33), p.6347 - 6358, 1999/08

https://doi.org/10.1088/0953-8984/11/33/305

Times Cited Count：2 Percentile：15.93(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Structural, optical and electrical properties of laser deposited FeTiO $_{3}$ films on C- and A-cut sapphire substrates

Dai, Z.*; Naramoto, Hiroshi; Narumi, Kazumasa; Yamamoto, Shunya; Miyashita, Atsumi

Journal of Applied Physics, 85(10), p.7433 - 7437, 1999/05

https://doi.org/10.1063/1.369374

Times Cited Count：24 Percentile：68.60(Physics, Applied)

no abstracts in English

Journal Articles

Self-mediated growth of single-crystal and entirely(111)-oriented C $_{60}$ films on alkali halide substrates

Dai, Z.*; Naramoto, Hiroshi; Narumi, Kazumasa; Yamamoto, Shunya; Miyashita, Atsumi

Applied Physics Letters, 74(12), p.1686 - 1688, 1999/03

https://doi.org/10.1063/1.123655

Times Cited Count：5 Percentile：28.09(Physics, Applied)

no abstracts in English

Journal Articles

Rutherford backscattering/channelling,XRD,XRD pole figure and AES characterization of FeTio $_{3}$ thin films prepared in different ambients by laser ablation

Dai, Z.*; Naramoto, Hiroshi; Yamamoto, Shunya; Narumi, Kazumasa; Miyashita, Atsumi

Journal of Physics; Condensed Matter, 11(3), p.913 - 925, 1999/00

https://doi.org/10.1088/0953-8984/11/3/029

Times Cited Count：4 Percentile：27.94(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Structure and electrical characterization of VN $_{x}$ prepared by reactive pulsed laser deposition

Dai, Z.*; Miyashita, Atsumi; Yamamoto, Shunya; Narumi, Kazumasa; Naramoto, Hiroshi

Journal of Physics; Condensed Matter, 11(3), p.733 - 740, 1999/00

https://doi.org/10.1088/0953-8984/11/3/012

Times Cited Count：2 Percentile：15.93(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Gold nanoparticle fabrication in single crystal SiO $_{2}$ by MeV Au ion implantation and subsequent thermal annealing

Dai, Z.*; Yamamoto, Shunya; Narumi, Kazumasa; Miyashita, Atsumi; Naramoto, Hiroshi

Nuclear Instruments and Methods in Physics Research B, 149(1-2), p.108 - 112, 1999/00

https://doi.org/10.1016/S0168-583X(98)80730-1

Times Cited Count：18 Percentile：76.61(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Crystalline and nearly stoichiometric vanadium nitride thin film by PLD

Dai, Z.*; Miyashita, Atsumi; Yamamoto, Shunya; Narumi, Kazumasa; Naramoto, Hiroshi

Thin Solid Films, 347(1-2), p.117 - 120, 1999/00

https://doi.org/10.1016/S0040-6090(98)01726-X

Times Cited Count：26 Percentile：76.26(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Control of film orientation; A Parametric study of laser ablated FTO films on a-, c- and r-cut sapphire substrates by X-ray diffraction

Dai, Z.*; Miyashita, Atsumi; Yamamoto, Shunya; Narumi, Kazumasa; Naramoto, Hiroshi

Thin Solid Films, 349(1-2), p.51 - 55, 1999/00

https://doi.org/10.1016/S0040-6090(99)00170-4

Times Cited Count：4 Percentile：27.94(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Pulsed laser deposition of ilmenite FeTiO $_{3}$ epitaxial thin film onto sapphire substrate

Dai, Z.*; P.Zhu*; Yamamoto, Shunya; Miyashita, Atsumi; Narumi, Kazumasa; Naramoto, Hiroshi

Thin Solid Films, 339(1-2), p.114 - 116, 1999/00

https://doi.org/10.1016/S0040-6090(98)01161-4

Times Cited Count：31 Percentile：78.65(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

RBS/channeling, XRD and optical characterization of deep ion implantation into single crystalline SiO $_{2}$

Dai, Z.*; Yamamoto, Shunya; Naramoto, Hiroshi; Narumi, Kazumasa; Miyashita, Atsumi

1998 International Conference on Ion Implantation Technology Proceedings, Vol.2, p.1159 - 1162, 1998/06

https://doi.org/10.1109/IIT.1998.813889

no abstracts in English

Journal Articles

Characterization of natural and synthesized FeTiO $_{3}$ crystals with RBS/PIXE/XRD

R.Q.Zhang*; Yamamoto, Shunya; Dai, Z.*; Narumi, Kazumasa; Aoki, Yasushi*; Naramoto, Hiroshi; Miyashita, Atsumi

International Journal of PIXE, 7(3&4), p.265 - 275, 1997/00

https://doi.org/10.1142/S0129083597000308

no abstracts in English