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Heavy Fermion Metal CeB6 in SubTHz and THz Range: The Electron Spin Resonance and Neutron Scattering Studies
Cerium hexaboride attracts attention of solid-state community for almost 50 years. Nowadays, this material is considered as a unique example of a system with orbital ordering resulting in formation of low-temp...
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Article
Developments of Multi-extreme High Field ESR in Kobe
Recent developments of “multi-extreme” high magnetic field electron spin resonance (ESR) in Kobe will be reviewed. Our high magnetic field ESR covers the frequency region between 0.03 and 7 THz and the tempera...
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Article
Norepinephrine in the brain is associated with aversion to financial loss
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Article
Estimating Abrasivity of Rock by Laboratory and In Situ Tests
The degree to which a rock abrades another rock is called its “abrasivity”. Laboratory tests of abrasivity can be broadly divided into four kinds: drilling, rubbing, turning-operation and tumbling tests. The p...
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Article
High Field ESR Measurements of S=1/2 Quasi One-Dimensional Antiferromagnet Cu3Mo2O9
S=1/2 one-dimensional chain and dimer system Cu3Mo2O9, in which the super-exchange network forms one-dimensional corner-sharing tetrahedoron of Cu2+ ion, has been investigated by high field ESR measurements using...
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Article
Photoluminescence Measurement of Er,O-Codoped GaAs Under a Pulsed Magnetic Field up to 60 T
We have performed photoluminescence (PL) measurements on magnetic semiconductor GaAs:Er,O under pulsed magnetic fields up to 60 T at 4.2 K. We have succeeded in observing the Zeeman effect of the 4 ...
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Article
Development of Multi-extreme ESR Measurement System in Kobe
Development of multi-extreme electron spin resonance (ESR) measurement system is in progress in Kobe. We have installed the pulsed magnetic field up to 55 T and our high field ESR system can cover the frequenc...
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Article
Development and applications of high-frequency ESR up to 55 T
A multiextreme (high-field, low-temperature, high-pressure and nanoscale) electron spin resonance (ESR) measurement system is under development in Kobe. In this connection, our recent development is introduced...
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Article
ESR probing of quantum critical phenomena in doped S = 1/2 AF quantum spin chain
The results of high-frequency (60–315 GHz) electron spin resonance (ESR) studies of CuGeO3 single crystals containing 0.9% Mn impurity are reported. The quantitative ESR line shape analysis shows that the low-tem...
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Article
High-frequency study of the orbital ordering resonance in the strongly correlated heavy fermion metal CeB6
A recently discovered magnetic resonance in the orbitally ordered phase of CeB6 (orbital ordering resonance) is studied in a wide frequency range v = 44–360 GHz. The g-factor for this resonance was found to incre...
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Article
New Magneto-Optical Effect in Co-Doped CuGeO3
We report the anomalous effect of the polarization dependence of electron paramagnetic resonance absorption in CuGeO3 doped with 2% of Co. While the resonance line of Cu2+ chains is independent of the microwave p...
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Article
Anomalous polarization characteristics of magnetic resonance in a quasi-one-dimensional CuGeO3: Co magnet
Do** of CuGeO3 by 2% Co was found to cause a new magnetic resonance, which has anomalous polarization characteristics. In the Faraday geometry, where a microwave field B ω is directed along cert...
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Article
Quantum Criticality and Collective Effects in Low-Dimensional Magnet CuGeO3:Fe Probed by High Frequency EPR
For CuGeO3 single crystals doped with 1% of Fe, the quantum critical behavior in a wide temperature range 1–40 K is reported. The critical exponents for susceptibility along different crystallographic axes are de...
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Article
New polarization effect and collective excitation in S = 1/2 quasi-one-dimensional antiferromagnetic quantum spin chain
Anomalous polarization characteristics of magnetic resonance in CuGeO3 doped with 2% Co impurity are reported. For the Faraday geometry, this mode is damped for the microwave field B ω aligned alo...
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Article
An Analytical Investigation of a Variable-Compliance-type Constitutive Equation
A constitutive equation is proposed in which the compliance is assumed to monotonically increase as a load is applied. The primary feature of the constitutive equation is that the equation can be applied to va...
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Article
Some Attempts for Estimating Rock Strength and Rock Mass Classification from Cutting Force and Investigation of Optimum Operation of Tunnel Boring Machines
Tunnel face and wall collapse are common during excavations performed by tunnel boring machines (TBMs) due to the difficulty of correctly identifying the properties of the excavated rock. This identification, ...
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Chapter
Commercialization of homegardens in an Indonesian village: Vegetation composition and functional changes
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Article
Effect of vitamin C on common cold: randomized controlled trial
To investigate the relationship between the common cold and vitamin C supplementation.
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Article
Electromagnetic Radiation from Rock During Uniaxial Compression Testing: The Effects of Rock Characteristics and Test Conditions
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Article
Microwave EPR spectroscopy of cobalt-doped germanium cuprate
Resonance magnetoabsorption spectra of CuGeO3 single crystals containing 2% Co impurity have been studied in the frequency range 60–360 GHz in magnetic fields of up to 16 T and in the temperature interval 2–60 K ...