Recent performances of the soft X-ray crystal monochromator stations BL-2A and BL-11B with new focusing mirrors at the Photon Factory

Kitajima, Yoshinori

doi:10.1016/0368-2048(96)03003-4

Cited by 37 publications

(4 citation statements)

References 14 publications

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“…Furthermore, Ni has a higher cut-off energy than Cr, as shown by the calculated re¯ectivity, so the highest intensity in the range 2000±3400 eV was obtained using the double Ni-coated mirrors. It has been reported that the performance of the soft X-ray crystal monochromator station BL-11B at the Photon Factory has been improved by replacing the Ptcoated focusing SiC mirror without a cooling unit with a Ni-coated focusing silicon mirror with a water-cooled holder (Kitajima, 1996). At BL-11B, the grazing incident angle was also changed from 1 to 0.6 to maintain the same cut-off energy, and consequently all the downstream beam-pipes were rearranged.…”

Section: Resultsmentioning

confidence: 99%

Recent performance of the Photon Factory gratingcrystal monochromator station BL-1A in the soft X-ray region

Maeyama

Sugiyama

1998

J Synchrotron Radiat

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This paper describes the recent performance of the Photon Factory beamline 1A with InSb(111) crystals used as the diffracting elements of the grating/crystal monochromator for monochromatizing soft X-rays. Pt-coated collimating and focusing mirrors located upstream and downstream of the monochromator have recently been replaced with Ni-coated mirrors in order to remove absorption structures at the Pt M-edges from output spectra in the soft X-ray region. Output spectra without the absorption structures and with higher intensity in the range 2000± 3400 eV were obtained by using the Ni-coated collimating and focusing mirrors.

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Section: Resultsmentioning

confidence: 99%

Recent performance of the Photon Factory gratingcrystal monochromator station BL-1A in the soft X-ray region

Maeyama

Sugiyama

1998

J Synchrotron Radiat

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“…Experiments were carried out on the beamline BL-11B [19][20][21] at the Photon Factory, High Energy Accelerator Research Organization (KEK), Tsukuba, Japan. This beamline was capable of tuning X-ray beam energy for sulfur K edge with an InSb(111) double-crystal monochromator from a bending-magnet source.…”

Section: Methodsmentioning

confidence: 99%

Sulfur chemical state analysis of diesel emissions of vehicles using X-ray absorption

Matsumoto

Tanaka

Ishii

et al. 2006

Spectrochimica Acta Part B: Atomic Spectroscopy

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“…NEXAFS spectra were measured on BL-11B and 2A soft X-ray beamlines at the Photon Factory in the National Laboratory for High Energy Physics (KEK-PF) with synchrotron radiation from a bending magnet (11B) 14,15 or an undulator (2A) − monochromatized by a double-crystal monochromator. The resolution with an InSb(111) (BL-11B) or a Si(111) (BL-2A) crystal in the S K-edge region was about 1.0 and 0.3 eV, respectively.…”

Section: Methodsmentioning

confidence: 99%

NEXAFS Spectroscopic Study of Organic Photographic Dyes and Their Adsorbed States on AgCl and AgBr

et al. 1997

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The near-edge X-ray absorption fine structure (NEXAFS) spectra were studied at the S K-edge using synchrotron radiation for various sulfur-containing organic photographic materials in the solid state and in the adsorbed states on AgCl and AgBr grains. The features in the spectra of neat solids were assigned by mutual comparison and polarization dependence. The spectra of merocyanine dyes containing thiocarbonyl group were drastically affected by the adsorption on AgCl and AgBr, with significant suppression of the peak corresponding to the excitation of the S 1s electron into the π* orbital at the SC bond. This change is interpreted as indicative that these compounds are adsorbed at the S atom in the thiocarbonyl group, such rearrangement of the chemical bonds leading to a contribution from the zwitterionic form with S-−CN+< structure. By taking account of the area occupied by a molecule estimated from the measurements of the adsorption isotherm, a rather detailed picture emerged about the adsorbed state of this kind of dye. In contrast, the spectra of merocyanine and cyanine dyes containing sulfur in the five-membered aromatic ring showed little change by the adsorption on AgCl, indicating that the S atom is not the adsorption site or that the interaction between the molecule and AgCl is weak.

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Recent performances of the soft X-ray crystal monochromator stations BL-2A and BL-11B with new focusing mirrors at the Photon Factory

Cited by 37 publications

References 14 publications

Recent performance of the Photon Factory gratingcrystal monochromator station BL-1A in the soft X-ray region

Recent performance of the Photon Factory gratingcrystal monochromator station BL-1A in the soft X-ray region

Sulfur chemical state analysis of diesel emissions of vehicles using X-ray absorption

NEXAFS Spectroscopic Study of Organic Photographic Dyes and Their Adsorbed States on AgCl and AgBr

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