Jun Shinagawa

ORCID: 0009-0006-2599-0727
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About
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Research Areas
  • Organic and Molecular Conductors Research
  • Magnetism in coordination complexes
  • Advanced Condensed Matter Physics
  • Inorganic Fluorides and Related Compounds
  • Advanced NMR Techniques and Applications
  • Plasma Diagnostics and Applications
  • Semiconductor materials and devices
  • Solid-state spectroscopy and crystallography
  • Laser-induced spectroscopy and plasma
  • Power Transformer Diagnostics and Insulation
  • Frailty in Older Adults
  • Advanced Thermoelectric Materials and Devices
  • Copper Interconnects and Reliability
  • Earthquake Detection and Analysis
  • Organometallic Compounds Synthesis and Characterization
  • Cold Atom Physics and Bose-Einstein Condensates
  • Forecasting Techniques and Applications
  • Nuclear Physics and Applications
  • Physics of Superconductivity and Magnetism
  • Body Composition Measurement Techniques
  • High-pressure geophysics and materials
  • Nutrition and Health in Aging
  • Ion-surface interactions and analysis
  • Magnetic confinement fusion research
  • Stock Market Forecasting Methods

Shinshu University
2022

Tokyo Electron (Japan)
2022

University of California, Los Angeles
2004-2005

Data-driven science and technology offer transformative tools methods to science. This review article highlights the latest development progress in interdisciplinary field of data-driven plasma (DDPS), i.e., whose is driven strongly by data analyses. Plasma considered be most ubiquitous form observable matter universe. Data associated with plasmas can, therefore, cover extremely large spatial temporal scales, often provide essential information for other scientific disciplines. Thanks...

10.1109/tps.2023.3268170 article EN cc-by IEEE Transactions on Plasma Science 2023-07-01

$(\mathrm{TMTSF}{)}_{2}{\mathrm{ClO}}_{4}$ is a quasi-one-dimensional organic conductor and superconductor with ${T}_{c}=1.4\text{ }\text{ }\mathrm{K}$, one of at least two Bechgaard salts observed to have upper critical fields far exceeding the paramagnetic limit. Nevertheless, $^{77}\mathrm{Se}$ NMR Knight shift low reveals decrease in spin susceptibility ${\ensuremath{\chi}}_{s}$ consistent singlet pairing. The field dependence spin-lattice relaxation rate 100 mK exhibits sharp crossover...

10.1103/physrevlett.98.147002 article EN Physical Review Letters 2007-04-06

We report $^{77}\mathrm{Se}$ spin-lattice relaxation rates for $(\mathrm{TMTSF}{)}_{2}{\mathrm{PF}}_{6}$, carried out in the regime where a set of spectacular transport anomalies known as ``magic angle effects'' are observed. In situ resistance measurements (${R}_{zz}$) were used to verify experimental conditions and give precise sample alignment information. found that ${T}_{1}^{\ensuremath{-}1}$ exhibits no significant changes magnetic-field orientation is rotated through magic angles,...

10.1103/physrevlett.94.097004 article EN Physical Review Letters 2005-03-11

We have investigated the origin of large increase in spin-echo decay rates for $^{77}$Se nuclear spins at temperatures near to $T=30K$ organic superconductor (TMTSF)$_2$ClO$_4$. The measured angular dependence $T_2^{-1}$ demonstrates that source decays lies with carrier density fluctuations rather than TMTSF molecular orientation. very long time scales are directly associated dynamics anion ordering occurring $T=25K$, and inhomogeneously broadened spectra lower result from finite domain...

10.1103/physrevb.72.060501 article EN Physical Review B 2005-08-01

63Cu nuclear magnetic resonance spin-echo decay rate (T-12) measurements are reported for the normal and superconducting states of a single crystal Pr(1.85)Ce(0.15)CuO(4-y) in field B(0)=9 T over temperature range 2<T<200 K. The is dependent T<55 K has substantial dependence on radio frequency (rf) pulse parameters below approximately 25 This indicates that T-12 strongly effected by local distribution can be modified rf pulses, including ones not at Larmor frequency. low-temperature results...

10.1103/physrevlett.92.047003 article EN Physical Review Letters 2004-01-29

$(TMTSF)_2ClO_4$ is a quasi-one dimensional organic conductor and superconductor with $T_c=1.4$K, one of at least two Bechgaard salts observed to have upper critical fields far exceeding the paramagnetic limit. Nevertheless, $^{77}$Se NMR Knight shift low reveals decrease in spin susceptibility $\chi_s$ consistent singlet pairing. The field dependence spin-lattice relaxation rate 100mK exhibits sharp crossover (or phase transition) $H_s\sim15$kOe, regime where close normal state value, even...

10.48550/arxiv.cond-mat/0701566 preprint EN other-oa arXiv (Cornell University) 2007-01-01

Etch processes have always involved inherent process trade-offs related to fundamental plasma parameters achieve planar patterning metrics damage, aspect ratio dependences and profile. Today, we are in a new era of "area selective etch." Advanced (SAXP, (LELE)n), logic, memory interconnect applications beyond 3 nm involve, one way or another, topographies that require etch "control" at every surface. Achieving profile specifications will the ability conjure isotropy control will. Vehicles...

10.1117/12.2513211 article EN 2019-03-20

Sarcopenia, characterized by low skeletal muscle mass, and the outcome of cancer therapy are closely related based on recent research. This study aimed to evaluate correlation between mass prognosis in head neck (HNC) patients.In this study, 51 male patients with HNC treated nonsurgically January 2016 April 2018 at Shinshu University Hospital were evaluated. Skeletal was assessed using bioelectrical impedance analysis, index (SMI) calculated classify patients.The low-SMI group had a...

10.1159/000527307 article EN ORL 2022-11-24

Data science and technology offer transformative tools methods to science. This review article highlights latest development progress in the interdisciplinary field of data-driven plasma (DDPS). A large amount data machine learning algorithms go hand hand. Most data, whether experimental, observational or computational, are generated collected by machines today. It is now becoming impractical for humans analyze all manually. Therefore, it imperative train interpret (eventually) such as...

10.48550/arxiv.2205.15832 preprint EN other-oa arXiv (Cornell University) 2022-01-01

Atomic scale control in fabrication steps for advanced logic and memory manufacture is critical not only manufacturing viability of widely disparate structures but also functionality complex devices. Different approaches ranging from the use “tighter” process options to leveraging self-limiting cyclic processing have been explored achieve atomic utilizing seemingly unwieldy plasmas. Process technology married plasma as most capable methods delivering area selective etch or low temperature...

10.1149/ma2022-0218864mtgabs article EN Meeting abstracts/Meeting abstracts (Electrochemical Society. CD-ROM) 2022-10-09
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