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3 edition of High-pressure x-ray and Raman studies of rubidium and cesium graphite intercalation compounds found in the catalog.

High-pressure x-ray and Raman studies of rubidium and cesium graphite intercalation compounds

Noboru Wada

High-pressure x-ray and Raman studies of rubidium and cesium graphite intercalation compounds

by Noboru Wada

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Published by Published for the American Physical Society by the American Institute of Physics] in [New York .
Written in English


Edition Notes

Statementby Noboru Wada.
Classifications
LC ClassificationsMicrofilm 83/332 (Q)
The Physical Object
FormatMicroform
Paginationp. 1065-1078
Number of Pages1078
ID Numbers
Open LibraryOL3232722M
LC Control Number83145603

List of Rubidium Compounds, Common Compounds of Rubidium Rb, Formula, Molecular Weight. X-Ray Diffraction of a Stage-2 Graphite-bromine Intercalation Compound at High Pressure S. Matsuzaki, K. Toriumi and M. Sano Comparative Study of the Crystal Structure of the Various Graphite-Alkali Metal-Arsenic Compounds J. Assouik and P. Lagrange X-Ray Diffraction in Stage Disordered Intercalated Graphite Compounds E.A. Pilyankevich

The bilayer gas is likely to be caused by the first two layers of the stacking which have been de‐intercalated due to rinsing in acetone during lift‐off. 19 The bottom part of the stacking has a per‐layer doping of n 1 = × 10 14 cm −2 and the stoichiometry of stage‐1 FeCl 3 graphite intercalation compounds (i.e. where each. High-pressure Raman spectroscopic and X-ray diffraction experiments of barite, BaSO 4, were carried out in a diamond anvil cell up to 25 GPa at room the basis of the changes in the diffraction patterns and the variation of lattice parameters with pressure, it is inferred that barite undergoes a phase transformation at 10 GPa.

  A strong mode at cm −1 in pure phenanthrene becomes invisible with the potassium and rubidium intercalation. Full size image Table 2 The position of major Raman peaks in phenanthrene and A 3. N. Wada, Y. Omura, "High-Pressure Raman and X-ray Scattering Studies on Vermiculite Layered-Silicate Intercalation Compounds", International Conference on High Pressure Science and Technology (Joint AIRAPT & HPCJ), The Special Issue of the Review of High Pressure Science and Technology, Vol. 6, P. ,


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High-pressure x-ray and Raman studies of rubidium and cesium graphite intercalation compounds by Noboru Wada Download PDF EPUB FB2

Abstract. Systematic pressure-dependence studies have been performed on MC 8 and MC 12n (M=Rb, Cs and n=2, 3, 4) graphite intercalation compounds. Pressure-induced staging phase transitions similar to that which had been previously reported for KC 24 by Clarke et al. were found in these high-stage graphite intercalation compounds (n>=2).

The q-->⊥c x-ray experiments revealed Cited by: The decomposition rate of rubidium-graphite intercalation compounds (Rb-GICs) and cesium-graphite intercalation compounds (Cs-GICs) in pure oxygen gas was investigated by measuring the pressure change of the fixed volume of oxygen gas in contact with the GIC by: 6.

Raman scattering from the approx cm/sup -1/ graphitic phonons is used to study the stage evolution of graphite-H/sub 2/SO/sub 4/ in the first approx A of the bulk during electrochemical intercalation. The Raman results are compared to staging kinetics in the deep bulk studied previously by 00l x-ray diffraction.

Key Words—Intercalation, rubidium, cesium, decomposition. INTRODUCTION In our previous paper[ 1 ], the stability of potassium-graphite intercalation compounds (K-GICs) in a pure oxygen-gas atmosphere has been studied. It was found that K-GICs decomposed to higher stage compounds with the for- mation of KO.Cited by: 6.

Graphite intercalation compounds (GIC’s) have been the subject of extensive research, not only because of practical applications [1],but because of fundamental reasons [2].

Results of investigations on the graphite-rubidium system under high pressure (up to 25 kbar) are presented. In this system new graphite intercalation compounds of C − Rb compositions have been obtained.

These compounds have been shown to be unstable under normal conditions and to decompose to rubidium and less metal-saturated compounds when the pressure. Wada, "High-Pressure X-ray and Raman Studies of Rubidium and Cesium Graphite Intercalation Compounds," Phys.

Rev. B 24 () W.A. Kamitakahara, N. Wada and"Intercalate Lattice Dynamics in Stage-1 Rubidium Graphite," Solid State Commun., 44 () Graphite intercalation compounds with CuCl2-FeCl3-H2SO4 were synthesized via a hydrothermal treatment at °C and exfoliation method.

High-pressure x-ray and Raman studies of rubidium. Neutron spectroscopy of phonons in stage-1 rubidium-intercalated graphite. Article. High-pressure x-ray and Raman studies of rubidium and cesium graphite intercalation compounds.

N. WadaHigh-pressure x-ray and Raman studies of rubidium and cesium graphite intercalation compounds. C.A. SwensonExperimental equations of state for cesium and lithium metals to 20 kbar and the high-pressure behavior of the. High-pressure x-ray and Raman studies of rubidium and cesium graphite intercalation compounds.

Article. IR investigations of lithium graphite intercalation compounds. High-pressure Raman and FTIR studies of solid potassium, rubidium and caesium hydroxides M P Krobok and W B Holzapfel Fachbereich Physik. UniversiW-GH-Paderbom, Paderbom, Germany Received IO Mayin final form 6 September Abstract.

Effects of compression on the Raman and IR modes of KOH(D). [email protected]) and. cesium-graphite intercalation compounds (3) cesium-fullerene exohedral and endohedral compounds Intercalation of Some Alkali Metals in Graphite under the Effect of High Pressure. Deposited Document VINITI,p L in Russian Stephens P.W.

() X-ray Studies of A 1 C 60 Phases. Kuzmany H. (eds) Physics and Chemistry of. Neutron spectroscopic studies of the [] L-phonon branches in graphite-alkali intercalation compounds CxM (x=8,24,36; M denotes K, Rb, Cs) have been undertaken.

Most of alkali metals are well-known to easily intercalate into graphite to form stage-1 graphite intercalation compounds (GIC) whose structure and physical properties have been extensively studied. This work is focused on the intercalation of potassium, sodium and cesium into graphenic foams prepared by a solvothermal-based process.

Roy Clarke, Ctirad Uher, High pressure properties of graphite and its intercalation compounds, Advances in Graphite Intercalation Compounds, H.

Estrade-Szwarckopf, Oxygen adsorption on Cs-graphite intercalation compounds UV and X-ray photoelectron studies on CsC8 at K: formation of oxide, peroxide and superoxide on the. D. Saehr, Mesure des Chaleurs de Réaction du Graphite Avec le Potassium, le Rubidium et le Césium (Measurement of the Heat of Reaction of Graphite with Potassium, Rubidium and Cesium), Bull.

Soc. Chim. Fr.,(4), p. This allowed us to achieve successful intercalation of BP crystals with several alkali and alkali-earth metals: lithium (Li), potassium (K), rubidium (Rb), caesium (Cs) and calcium (Ca). The structural data of intermediate compounds are identical in both cases.

Some hypothetical models of a short carbon-chain structure of these compounds are discussed. A high pressure intercalation mechanism is proposed for the formation of linear carbon which includes complete isolation of polymer carbon chains by alkali metals.

We present a Raman-based study on the graphite oxide under high pressure. The graphite oxide is stable under hydrostatic high pressure ambient. By carefully fitting the D, G, and D′ bands which are merged at some extent, we successfully retrieve the information of peak position evolution of G band of graphite oxide under pressure, and it is found that the G band pressure coefficient is very.

Raman spectra of C60, Potassium-doped C60 and rubidium-doped is presented and analysed. From Raman experiments the role of annealing in the stabilization the highly conducting phase is evidenced in rubidium-doped C Raman Spectroscopy iS known to be a powerful tool to Study the inhomogeneity and disor-der in intercalated graphite and.

Anderson, M. S. & Swenson, C. A. Experimental equations of state for cesium and lithium metals to 20 kbar and the high-pressure behavior of the alkali metals. Phys. Rev.Under similar conditions, rubidium and cesium show the similar adsorption amount.

The adsorbent has a fast adsorption rate and an adsorption capacity of about mmol g −1 for rubidium and mmol g −1 for cesium when the initial metal ion concentration is mol L −1.

The composite adsorbent is effective for the adsorption of.