Performance and improved design of the log spiral of revolution monochromator

D. M. Pease; A. I. Frenkel; P. Shanthakumar; T. Huang; M. Balasubramanian; J. I. Budnick; D. Brewer; N. Abitbol; O. Odong

doi:10.1063/1.2644699

Performance and improved design of the log spiral of revolution monochromator

D. M. Pease, A. I. Frenkel, P. Shanthakumar, T. Huang, M. Balasubramanian, J. I. Budnick, D. Brewer, N. Abitbol, O. Odong

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Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We show that, whereas the present log spiral of revolution monochromator works well for Cr edges of 2.8% Cr₂O₃ in a V ₂O₃ matrix, the device transmits noticeable V extended structure in the case of 0.365% Cr₂O₃. We demonstrate that the transmitted V extended structure is due to the V K_β line which is unresolved by the monochromator. It is suggested that this limitation may be overcome by designing a log spiral detector for the Cr K_β line rather than the Cr K_α line. Aspects of the design of this modified log spiral are discussed.

Original language	English
Title of host publication	X-RAY ABSORPTION FINE STRUCTURE - XAFS13
Subtitle of host publication	13th International Conference
Pages	902-904
Number of pages	3
DOIs	https://doi.org/10.1063/1.2644699
State	Published - 2007
Event	X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference - Stanford, CA, United States Duration: Jul 9 2006 → Jul 14 2006

Publication series

Name	AIP Conference Proceedings
Volume	882
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference
Country/Territory	United States
City	Stanford, CA
Period	07/9/06 → 07/14/06

Keywords

EXAFS
XAFS

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10.1063/1.2644699

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Pease, D. M., Frenkel, A. I., Shanthakumar, P., Huang, T., Balasubramanian, M., Budnick, J. I., Brewer, D., Abitbol, N., & Odong, O. (2007). Performance and improved design of the log spiral of revolution monochromator. In X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference (pp. 902-904). (AIP Conference Proceedings; Vol. 882). https://doi.org/10.1063/1.2644699

@inproceedings{944cde00fb4e4373bbb6144d3d168b78,

title = "Performance and improved design of the log spiral of revolution monochromator",

abstract = "We show that, whereas the present log spiral of revolution monochromator works well for Cr edges of 2.8\% Cr2O3 in a V 2O3 matrix, the device transmits noticeable V extended structure in the case of 0.365\% Cr2O3. We demonstrate that the transmitted V extended structure is due to the V Kβ line which is unresolved by the monochromator. It is suggested that this limitation may be overcome by designing a log spiral detector for the Cr Kβ line rather than the Cr Kα line. Aspects of the design of this modified log spiral are discussed.",

keywords = "EXAFS, XAFS",

author = "Pease, \{D. M.\} and Frenkel, \{A. I.\} and P. Shanthakumar and T. Huang and M. Balasubramanian and Budnick, \{J. I.\} and D. Brewer and N. Abitbol and O. Odong",

year = "2007",

doi = "10.1063/1.2644699",

language = "English",

isbn = "0735403848",

series = "AIP Conference Proceedings",

pages = "902--904",

booktitle = "X-RAY ABSORPTION FINE STRUCTURE - XAFS13",

note = "X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference ; Conference date: 09-07-2006 Through 14-07-2006",

}

Pease, DM, Frenkel, AI, Shanthakumar, P, Huang, T, Balasubramanian, M, Budnick, JI, Brewer, D, Abitbol, N & Odong, O 2007, Performance and improved design of the log spiral of revolution monochromator. in X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference. AIP Conference Proceedings, vol. 882, pp. 902-904, X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference, Stanford, CA, United States, 07/9/06. https://doi.org/10.1063/1.2644699

TY - GEN

T1 - Performance and improved design of the log spiral of revolution monochromator

AU - Pease, D. M.

AU - Frenkel, A. I.

AU - Shanthakumar, P.

AU - Huang, T.

AU - Balasubramanian, M.

AU - Budnick, J. I.

AU - Brewer, D.

AU - Abitbol, N.

AU - Odong, O.

PY - 2007

Y1 - 2007

N2 - We show that, whereas the present log spiral of revolution monochromator works well for Cr edges of 2.8% Cr2O3 in a V 2O3 matrix, the device transmits noticeable V extended structure in the case of 0.365% Cr2O3. We demonstrate that the transmitted V extended structure is due to the V Kβ line which is unresolved by the monochromator. It is suggested that this limitation may be overcome by designing a log spiral detector for the Cr Kβ line rather than the Cr Kα line. Aspects of the design of this modified log spiral are discussed.

AB - We show that, whereas the present log spiral of revolution monochromator works well for Cr edges of 2.8% Cr2O3 in a V 2O3 matrix, the device transmits noticeable V extended structure in the case of 0.365% Cr2O3. We demonstrate that the transmitted V extended structure is due to the V Kβ line which is unresolved by the monochromator. It is suggested that this limitation may be overcome by designing a log spiral detector for the Cr Kβ line rather than the Cr Kα line. Aspects of the design of this modified log spiral are discussed.

KW - EXAFS

KW - XAFS

UR - https://www.scopus.com/pages/publications/33947408277

U2 - 10.1063/1.2644699

DO - 10.1063/1.2644699

M3 - Conference contribution

AN - SCOPUS:33947408277

SN - 0735403848

SN - 9780735403840

T3 - AIP Conference Proceedings

SP - 902

EP - 904

BT - X-RAY ABSORPTION FINE STRUCTURE - XAFS13

T2 - X-RAY ABSORPTION FINE STRUCTURE - XAFS13: 13th International Conference

Y2 - 9 July 2006 through 14 July 2006

ER -

Performance and improved design of the log spiral of revolution monochromator

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Keywords

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