An ultra-high-vacuum double crystal monochromator beam line for studies in the spectral range 500–4000 eV

Cerino, J.; Stöhr, J.; Hower, N.; Bachrach, R. Z.

doi:10.1016/0029-554x(80)90639-4

Cited by 58 publications

(14 citation statements)

References 9 publications

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“…In the work at SSRL, synchrotron radiation from the SPEAR (Stanford Positron-Electron Accelerator Ring) electron storage ring was used; radiation reflected from a double-focusing toroidal x-ray mirror was energy selected by two Si(111)Bragg reflections in the constant-deviation "JUMBO" double-crystal monochromator [37], with a photon-energy bandwidth of -1 eV FWHM at 2150 eV.…”

Section: Experimental Approachmentioning

confidence: 99%

ThresholdK-LLAuger spectra of P in InP

et al. 1994

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The evolution of EC-L2 3L23 D2 radiationless resonant Raman scattering into Auger-electron emission was studied by tuning synchrotron radiation across the K edge of P in InP. The spectrum can be interpreted in terms of a two-component model that involves excitation of a photoelectron (1) into a discrete excitonlike state and (2) into the continuum; extra-atomic relaxation is taken into account. Auxiliary studies of above-threshold Auger and photoelectron spectra arising from K photoionization were used to identify the dominantly atomic features of these spectra.PACS number(s): 32.80.Hd, 32.80.Fb

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Section: Experimental Approachmentioning

confidence: 99%

ThresholdK-LLAuger spectra of P in InP

et al. 1994

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“…A pair of YB66 crystals was installed in the JUMBO UHV double crystal monochromator (Cerino et al, 1980). A sample of magnesium metal was transferred into a surfaceanalysis chamber from air without cleaning.…”

Section: Methodsmentioning

confidence: 99%

Nature of the 1385.6 and 1438 eV Positive Glitches in the Transmission Function of the YB₆₆Soft-X-ray Monochromator

Tanaka¹,

Aizawa²,

Rowen³

et al. 1997

J Appl Cryst

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In the course of the development of the YB66 004 monochromator for soft-X-ray spectroscopy in the 1-2 keV region, two positive glitches at 1385.6 and 1438 eV have been observed in the transmission function of this material in a double-crystal configuration. The nature of these glitches has been elucidated using a combination of photoemission experiments, reflectivity measurements and anomalous scattering calculations. Analyses of these results show that these positive glitches are due to the transmission at an energy 3/2 times higher than the 004 reflection and correspond to the yttrium LII I and Ln absorption edges at 2080 and 2156 eV, respectively. Reflectivity measurements and structure-factor calculations for the 006 reflection confirm that these glitches are caused by the sharp reflectivity increases associated with anomalous scattering for the 006 reflection at the yttrium LIII and LII absorption edges.

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“…The SPEAR storage ring was operating at 3 GeV with typical currents in the 50Ϫ100-mA range. The Jumbo monochromator 13,14 was equipped with a pair of Ge͑111͒ crystals having a full width at half maximum ͑FWHM͒ resolution of about 1.5 eV in the energy range of the experiment. The UHV chamber, commonly used for surface physics experiments, was operating with a base pressure of 2ϫ10 Ϫ11 torr.…”

Section: Methodsmentioning

confidence: 99%

Evidence for [1s2p]3pshake-up channels in compounds and oxides of third-period elements

et al. 1996

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X-ray photoemission spectra ͑XPS͒ of NaF, MgO, Al 2 O 3 , SiO 2 , InP, and NaH 2 PO 4 collected using synchrotron radiation in the 1900-3400-eV energy range are reported. Accurate XPS spectra have been collected around the Na, Mg, Al, Si, and P 1s photoemission peaks including a region extending for a few hundred eV on the high-binding-energy side. Clear features associated with additional excitations of 2p electrons, more evident in low-Z elements, have been identified. The fine structure of these satellites, dominated by the lower-upper splitting, has been studied in different compounds as a function of the photon energy. Energy positions and splitting are consistent with theoretical predictions.

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An ultra-high-vacuum double crystal monochromator beam line for studies in the spectral range 500–4000 eV

Cited by 58 publications

References 9 publications

ThresholdK-LLAuger spectra of P in InP

ThresholdK-LLAuger spectra of P in InP

Nature of the 1385.6 and 1438 eV Positive Glitches in the Transmission Function of the YB₆₆Soft-X-ray Monochromator

Evidence for [1s2p]3pshake-up channels in compounds and oxides of third-period elements

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An ultra-high-vacuum double crystal monochromator beam line for studies in the spectral range 500–4000 eV

Cited by 58 publications

References 9 publications

ThresholdK-LLAuger spectra of P in InP

ThresholdK-LLAuger spectra of P in InP

Nature of the 1385.6 and 1438 eV Positive Glitches in the Transmission Function of the YB66Soft-X-ray Monochromator

Evidence for [1s2p]3pshake-up channels in compounds and oxides of third-period elements

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Nature of the 1385.6 and 1438 eV Positive Glitches in the Transmission Function of the YB₆₆Soft-X-ray Monochromator