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Local Structure and Vibrational Properties of α'-Pu Martensitein Ga-Stabilized δ-Pu
Extended x-ray absorption fine structure spectroscopy (EXAFS) is used to investigate the local atomic environment and vibrational properties of plutonium and gallium atoms in the {alpha}{prime} and {delta} phases of a mixed phase Pu-Ga alloy. EXAFS results measured at low temperature compare the structure of the mixed phase sample with a single-phase {delta}-Pu sample. EXAFS spectral components attributed to both {alpha}{prime}-Pu and {delta}-Pu were observed in the mixed phase sample. Ga K-edge EXAFS spectra indicate local atomic environments similar to the Pu LIII-edge EXAFS results, which suggests that Ga is substitutional for Pu atoms in both the monoclinic {alpha}{prime}-Pu and the fcc {delta}-Pu structures. In {delta}-Pu, we measure a Ga-Pu bond length contraction of 0.11 Angstroms with respect to the Pu-Pu bond length. The corresponding bond-length contraction around Ga in {alpha}{prime}-Pu is only 0.03 Angstroms. Results from temperature-dependent Pu LIII-edge EXAFS measurements are fit to a correlated Debye model, and a large difference in the Pu-Pu bond Debye temperature is observed for the {alpha}{prime} and {delta} phases: {theta}{sub cD}({alpha}{prime})=159{+-}13 K versus {theta}{sub cD}({delta})=120{+-}3 K. The corresponding analysis for the Ga K EXAFS determines a Ga-Pu bond Debye temperature of {theta}{sub cD}({delta})=188{+-}12 K in the {delta}-Pu phase. These results are related …
Date:
February 26, 2003
Creator:
Nelson, E. J.; Blobaum, K. J. M.; Wall, M. A.; Allen, P. G.; Schwartz, A. J. & Booth, C. H.
Object Type:
Article
System:
The UNT Digital Library
The Wylie News (Wylie, Tex.), Vol. 55, No. 40, Ed. 1 Wednesday, February 26, 2003
Weekly newspaper from Wylie, Texas that includes local, state and national news along with advertising.
Date:
February 26, 2003
Creator:
Engbrock, Chad B.
Object Type:
Newspaper
System:
The Portal to Texas History
The Wylie News (Wylie, Tex.), Vol. 55, No. 44, Ed. 1 Wednesday, March 26, 2003
Weekly newspaper from Wylie, Texas that includes local, state and national news along with advertising.
Date:
March 26, 2003
Creator:
Engbrock, Chad B.
Object Type:
Newspaper
System:
The Portal to Texas History
[News Clip: Bolton Fired]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 26, 2003
Creator:
NBC 5 (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: State Fair]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
September 26, 2003, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Timpson & Tenaha News (Timpson, Tex.), Vol. 18, No. 25, Ed. 1 Thursday, June 26, 2003
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 26, 2003
Creator:
Ritch, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Rains County Leader (Emory, Tex.), Vol. 116, No. 12, Ed. 1 Tuesday, August 26, 2003
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
August 26, 2003
Creator:
Hill, Earl Clyde, Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 121, No. 86, Ed. 1 Sunday, October 26, 2003
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
October 26, 2003
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 108, No. 78, Ed. 1 Friday, September 26, 2003
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
September 26, 2003
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 108, No. 95, Ed. 1 Wednesday, November 26, 2003
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
November 26, 2003
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 108, No. 104, Ed. 1 Friday, December 26, 2003
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
December 26, 2003
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 108, No. 17, Ed. 1 Wednesday, February 26, 2003
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
February 26, 2003
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 108, No. 25, Ed. 1 Wednesday, March 26, 2003
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
March 26, 2003
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 81, No. 243, Ed. 1 Saturday, July 26, 2003
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
July 26, 2003
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 81, No. 332, Ed. 1 Sunday, October 26, 2003
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
October 26, 2003
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 96, No. 13, Ed. 1 Wednesday, November 26, 2003
Semi-weekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
November 26, 2003
Creator:
Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 95, No. 47, Ed. 1 Wednesday, March 26, 2003
Semi-weekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
March 26, 2003
Creator:
Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 96, No. 4, Ed. 1 Sunday, October 26, 2003
Semi-weekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
October 26, 2003
Creator:
Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 95, No. 30, Ed. 1 Sunday, January 26, 2003
Semi-weekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
January 26, 2003
Creator:
Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 95, No. 39, Ed. 1 Wednesday, February 26, 2003
Semi-weekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 26, 2003
Creator:
Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 121, No. 8, Ed. 1 Sunday, January 26, 2003
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
January 26, 2003
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
Hondo Anvil Herald (Hondo, Tex.), Vol. 117, No. 26, Ed. 1 Thursday, June 26, 2003
Weekly newspaper from Hondo, Texas that includes local, state, and national news along with extensive advertising.
Date:
June 26, 2003
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Archer County News (Archer City, Tex.), No. 26, Ed. 1 Thursday, June 26, 2003
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
June 26, 2003
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 121, No. 51, Ed. 1 Thursday, June 26, 2003
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
June 26, 2003
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History