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Fernández, Sergio; Mesa, José L.; Pizarro, José L.; Lezama, Luís; Arriortúa, María Isabel; Rojo, Teófilo

doi:10.1002/1521-3757(20021004)114:19<3835::aid-ange3835>3.0.co;2-n

Cited by 59 publications

(86 citation statements)

References 2 publications

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“…[1][2] The crystal structure of (C2N2H10) . In addition, the magnetic susceptibility data have been fitted by using a linear chain model with second nearest neighbor interaction and the best fitting result obtained with J1 = -1.63 K and J 2 = -0.87 K, 2 respectively.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Spin Exchange Interactions in (C₂N₂H₁₀)[Fe(HPO₃)F₃] on the Basis of Electronic Structure Calculations

Koo¹

2011

Bulletin of the Korean Chemical Society

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Spin exchange interactions of (C2N2H10)[Fe(HPO3)F3] were examined by performing a spin dimer analysis based on extended Hückel tight binding method and a mapping analysis based on first principles density functional theory. Spin exchange interactions occur through the super-superexchange paths J1 and J2 in (C2N2H10)[Fe(HPO3)F3]. In the super-superexchange path J2 magnetic orbital interactions between eg-block levels are much stronger than those from t2g-block levels. Both electronic structure calculations show that the spin exchange interaction through the super-superexchange path J2 is much stronger than that of J1.

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Section: Introductionmentioning

confidence: 99%

Analysis of Spin Exchange Interactions in (C₂N₂H₁₀)[Fe(HPO₃)F₃] on the Basis of Electronic Structure Calculations

Koo¹

2011

Bulletin of the Korean Chemical Society

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“…Thus the deposition rate of SWNTs is very low. Hybrid organic-inorganic materials have been increasingly studied over the last several years for their interesting structural and potential uses in varies fields such as catalysis, biomolecular sciences and nonlinear optics [1][2][3]. In the present work, we report the synthesis and the X-ray structure determination of tow new organic-metal cyclohexaphosphates: .…”

mentioning

confidence: 99%

Nanocarbon thin films prepared at room temperature by synchrotron-radiation-stimulated photochemical reaction

Miki¹,

Imai²

2006

Acta Cryst Sect A

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Nanocarbon such as fullerene and carbon nanotube has become one of the most interesting materials for use in advanced nanotechnology devices. In the nanocarbon thin-film preparation process, it is necessary to have a low deposition temperature for realizing low-cost and low-melting-point glass substrates. Synchrotron-radiation -stimulated photochemical reactions enable the preparation of various crystalline thin films at room temperature beyond the low-temperature limit of conventional thermal reactions. The compact synchrotron light source located at Ritsumeikan University emits a highbrilliance light covering the energy range from soft X-rays to vacuum ultraviolet light. The light having this energy range irradiated from the synchrotron light source can excite the inner-shell electrons of materials. Inner-shell electron excitation creates many localized holes in the valence orbital and results in the Coulomb explosion of materials. As a result, these materials are reduced to fragments. These thus-obtained fragments were deposited onto a substrate facing the target. This process, which is called synchrotron radiation ablation, is applicable to nanocarbon thin-film preparation at room temperature. Deposition of fullerene C 60 and single-walled carbon nanotubes (SWNTs) was carried out individually on a Si substrate or a quartz substrate using powder state targets. A high-quality crystalline fullerene C 60 film was obtained despite the fact that the film was deposited at room temperature. The deposition rate of SWNTs was only 10nm/h, which is only one-three hundredths that of fullerene C 60. The difference in the ablation mechanism between the SWNTs and fullerene C 60 was considered. The C-C bond with an sp 3 hybridized orbital in a normal chain, for example, of polyethylene is easily broken after synchrotron irradiation. The structures of SWNTs and fullerene C 60 are based on the carbon cyclic structure with an sp 2 hybridized orbital. In the carbon cyclic structure, the π electron is delocalized. The energy randomization process is more rapid rather than the fragmentation process in the carbon cyclic structure. Thus, the possibility of breakage of the C-C bonds in the carbon cyclic structure after synchrotron irradiation is low. However, individual C 60 unit are bonded not only by van der Waals force but also by the electrostatic force in the fullerene crystal. The bonds between individual C 60 unit are broken after synchrotron irradiation. The fragments from the fullerene target following synchrotron irradiation consist not of individual C ions but of ionized C 60 and some cluster ions of C 60 . The SWNTs have structures consisting of two or more concentric shells of carbon sheets. The diameters of some SWNTs range between several and several decades nanometer, whereas the lengths are longer than several micrometer. It is estimated that the SWNTs are too large to fragment. Thus the deposition rate of SWNTs is very low. Hybrid organic-inorganic materials have been increasingly studied over the last several years...

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“…[6], cobalt phosphite [7], zinc phosphite [8], beryllium phosphite [9], aluminium phosphite [10], bimetallic phosphite [11]. Our scientific research group have reported on the synthesis of indium phosphates with different structures under hydrothermal and solvothermal conditions [12][13][14].…”

mentioning

confidence: 99%

Hydrothermal synthesis and structural characterization of the first indium phosphite In2(HPO3)3(H2O)

Chen

et al. 2005

Inorganic Chemistry Communications

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Cited by 59 publications

References 2 publications

Analysis of Spin Exchange Interactions in (C₂N₂H₁₀)[Fe(HPO₃)F₃] on the Basis of Electronic Structure Calculations

Analysis of Spin Exchange Interactions in (C₂N₂H₁₀)[Fe(HPO₃)F₃] on the Basis of Electronic Structure Calculations

Nanocarbon thin films prepared at room temperature by synchrotron-radiation-stimulated photochemical reaction

Hydrothermal synthesis and structural characterization of the first indium phosphite In2(HPO3)3(H2O)

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Untitled

Cited by 59 publications

References 2 publications

Analysis of Spin Exchange Interactions in (C2N2H10)[Fe(HPO3)F3] on the Basis of Electronic Structure Calculations

Analysis of Spin Exchange Interactions in (C2N2H10)[Fe(HPO3)F3] on the Basis of Electronic Structure Calculations

Nanocarbon thin films prepared at room temperature by synchrotron-radiation-stimulated photochemical reaction

Hydrothermal synthesis and structural characterization of the first indium phosphite In2(HPO3)3(H2O)

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Analysis of Spin Exchange Interactions in (C₂N₂H₁₀)[Fe(HPO₃)F₃] on the Basis of Electronic Structure Calculations

Analysis of Spin Exchange Interactions in (C₂N₂H₁₀)[Fe(HPO₃)F₃] on the Basis of Electronic Structure Calculations