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Theoretical study of the structure, energetics, and dynamics of silicon and carbon systems using tight-binding approaches (open access)

Theoretical study of the structure, energetics, and dynamics of silicon and carbon systems using tight-binding approaches

Semiempirical interatomic potentials are developed for silicon and carbon by modeling the total energy of the system using tight-binding approaches. The parameters of the models were obtained by fitting to results from accurate first-principles Local Density Functional calculations. Applications to the computation of phonons as a function of volume for diamond-structured silicon and carbon and the thermal expansions for silicon and diamond yields results which agree well with experiment. The physical origin of the negative thermal expansion observed in silicon is explained. A tight-binding total energy model is generated capable of describing carbon systems with a variety of atomic coordinations and topologies. The model reproduces the total energy versus volume curves of various carbon polytypes as well as phonons and elastic constants of diamond and graphite. The model has also been used in the molecular-dynamics simulation of the properties of carbon clusters. The calculated ground-state geometries of small clusters (C{sub 2}--C{sub 10}) correlates well with results from accurate quantum chemical calculations, and the structural trend of clusters from C{sub 2} to C{sub 60} are investigated. 67 refs., 19 figs.
Date: October 25, 1991
Creator: Xu, Chunhui.
Object Type: Report
System: The UNT Digital Library
[News Script: GOP Women] (open access)

[News Script: GOP Women]

Script from the WBAP-TV/NBC station in Fort Worth, Texas relating a news story.
Date: October 25, 1968
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Object Type: Script
System: The UNT Digital Library
[Letter from Don R. Roberts to Bill McCarter and Jack Davis, October 25, 1990] (open access)

[Letter from Don R. Roberts to Bill McCarter and Jack Davis, October 25, 1990]

Photocopy of a letter from Don R. Roberts, Superintendent of Forth Worth ISD, to Bill McCarter and Jack Davis, co-directors of North Texas Institute for Educators on the Visual Arts. Roberts is writing to confirm Fort Worth ISD's commitment to the North Texas Institute for Educators on the Visual Arts. Their Site Coordinator, Beverly Fletcher, will contribute 15% of her time during the 1992 calendar year to activities related to staff development. Roberts end his letter by congratulating McCarter and Davis for their received grant from the Amon Carter foundation. Cc'd on the letter are, Nancy Timmons and Beverly Fletcher.
Date: October 25, 1990
Creator: Roberts, Don R.
Object Type: Letter
System: The UNT Digital Library

Ensemble: 2017-10-25 – UNT Concert Orchestra

Access: Use of this item is restricted to the UNT Community
Orchestra concert performed at the UNT College of Music Winspear Hall.
Date: October 25, 2017
Creator: UNT Concert Orchestra
Object Type: Video
System: The UNT Digital Library
Monthly energy review, October 1991. [Contains glossary] (open access)

Monthly energy review, October 1991. [Contains glossary]

This report presents current data on production, consumption, stocks, imports, exports, and prices of the principal energy commodities in the United States. Also included are data on international production of crude oil, consumption of petroleum products, petroleum stocks, and production of electricity from nuclear-powered facilities. 36 figs., 57 tabs.
Date: October 25, 1991
Creator: unknown
Object Type: Report
System: The UNT Digital Library
In situ instrumentation: final report of a joint EE/ME group study. [Economic utilization of oil shale, some coal deposits and geothermal resources may depend on in situ processing] (open access)
Big Data and Government Information (open access)

Big Data and Government Information

Panel paper for the 2017 International Conference on Knowledge Management. This panel explores the current landscape of big data applications for government information.
Date: October 25, 2017
Creator: Alemneh, Daniel Gelaw; Phillips, Mark Edward; Smith, Lisa & Shimabuku, Hope
Object Type: Paper
System: The UNT Digital Library
Answering queries pertaining to rapidly changing scholarly communications landscape (open access)

Answering queries pertaining to rapidly changing scholarly communications landscape

Presentation paper for the 2017 International Conference on Knowledge Management. This paper discusses questions of experience, services provided, and staffing necessary for a scholarly communications department.
Date: October 25, 2017
Creator: Helge, Kris & McKinnon, Laura F.
Object Type: Paper
System: The UNT Digital Library
Time-dependent properties of fiber composites for energy-storage flywheels (open access)

Time-dependent properties of fiber composites for energy-storage flywheels

Time-dependent deformation and time-dependent strength are being characterized for several candidate polymeric composites for flywheels. This presentation highlights the motivation and the philosophy of the characterization adopted by the authors in establishing the ongoing programs at LLL. This overview is intended to provide a basis for inferring the type of enginering data being generated for different aspects of flywheel design. The details of these data can be obtained from the published reports and articles. Two aspects of flywheel design data are addressed: those dealing with time-dependent statistical strength, and those dealing with deformation and strength under time-varying history.
Date: October 25, 1977
Creator: Wu, E.M. & Penn, L.S.
Object Type: Article
System: The UNT Digital Library
[News Clip: Clinton, William Jefferson] captions transcript

[News Clip: Clinton, William Jefferson]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: October 25, 1994, 10:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Standeford] captions transcript

[News Clip: Standeford]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: October 25, 1994, 6:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
The Mangum Star. (Mangum, Okla. Terr.), Vol. 19, No. 17, Ed. 1 Thursday, October 25, 1906 (open access)

The Mangum Star. (Mangum, Okla. Terr.), Vol. 19, No. 17, Ed. 1 Thursday, October 25, 1906

Weekly newspaper from Mangum, Oklahoma that includes local, territorial, and national news along with advertising.
Date: October 25, 1906
Creator: Echols, R. C.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Oklahoma Leader (Guthrie, Okla.), Vol. 27, No. 45, Ed. 1 Thursday, October 25, 1917 (open access)

The Oklahoma Leader (Guthrie, Okla.), Vol. 27, No. 45, Ed. 1 Thursday, October 25, 1917

Weekly newspaper from Guthrie, Oklahoma that includes local, state, and national news along with advertising.
Date: October 25, 1917
Creator: Niblack, Leslie G.
Object Type: Newspaper
System: The Gateway to Oklahoma History
Taloga Times-Advocate (Taloga, Okla.), Vol. 30, No. 20, Ed. 1 Thursday, October 25, 1923 (open access)

Taloga Times-Advocate (Taloga, Okla.), Vol. 30, No. 20, Ed. 1 Thursday, October 25, 1923

Weekly newspaper from Taloga, Oklahoma that includes local, state, and national news along with advertising.
Date: October 25, 1923
Creator: unknown
Object Type: Newspaper
System: The Gateway to Oklahoma History
Oklahoma State Register (Guthrie, Okla.), Vol. 27, No. 24, Ed. 1 Thursday, October 25, 1917 (open access)

Oklahoma State Register (Guthrie, Okla.), Vol. 27, No. 24, Ed. 1 Thursday, October 25, 1917

Weekly newspaper from Guthrie, Oklahoma that includes local, state, and national news along with advertising.
Date: October 25, 1917
Creator: Golobie, John
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Mangum Star (Mangum, Okla.), Vol. 30, No. 19, Ed. 1 Thursday, October 25, 1917 (open access)

The Mangum Star (Mangum, Okla.), Vol. 30, No. 19, Ed. 1 Thursday, October 25, 1917

Weekly newspaper from Mangum, Oklahoma that includes local, state, and national news along with advertising.
Date: October 25, 1917
Creator: Jessee, Elmer V.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Oklahoma Safeguard. (Guthrie, Okla.), Vol. 13, No. 39, Ed. 1 Thursday, October 25, 1906 (open access)

The Oklahoma Safeguard. (Guthrie, Okla.), Vol. 13, No. 39, Ed. 1 Thursday, October 25, 1906

Weekly newspaper from Guthrie, Oklahoma Territory that includes local, territorial, and national news along with advertising.
Date: October 25, 1906
Creator: Buchanan, C. A.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Willow Times (Willow, Okla.), Vol. 2, No. 20, Ed. 1 Thursday, October 25, 1917 (open access)

The Willow Times (Willow, Okla.), Vol. 2, No. 20, Ed. 1 Thursday, October 25, 1917

Weekly newspaper from Willow, Oklahoma that includes local, state, and national news along with advertising.
Date: October 25, 1917
Creator: unknown
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Guthrie Daily Star (Guthrie, Okla.), Vol. 9, No. 197, Ed. 1 Friday, October 25, 1912 (open access)

The Guthrie Daily Star (Guthrie, Okla.), Vol. 9, No. 197, Ed. 1 Friday, October 25, 1912

Daily newspaper from Guthrie, Oklahoma that includes local, state, and national news along with advertising.
Date: October 25, 1912
Creator: Hornaday, W. H.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The New State. (Haileyville, Indian Terr.), Vol. 3, No. 33, Ed. 1 Friday, October 25, 1907 (open access)

The New State. (Haileyville, Indian Terr.), Vol. 3, No. 33, Ed. 1 Friday, October 25, 1907

Weekly newspaper from Haileyville, Indian Territory that includes local, territorial, and national news along with advertising.
Date: October 25, 1907
Creator: unknown
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Canadian Enterprise (Canadian, Indian Terr.), Vol. 4, No. 5, Ed. 1 Friday, October 25, 1907 (open access)

The Canadian Enterprise (Canadian, Indian Terr.), Vol. 4, No. 5, Ed. 1 Friday, October 25, 1907

Weekly newspaper from Canadian, Indian Territory that includes local, territorial, and national news along with advertising.
Date: October 25, 1907
Creator: Williams, B. W.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Altus Weekly News. (Altus, Okla.), Vol. 19, No. 35, Ed. 1 Thursday, October 25, 1917 (open access)

The Altus Weekly News. (Altus, Okla.), Vol. 19, No. 35, Ed. 1 Thursday, October 25, 1917

Weekly newspaper from Altus, Oklahoma that includes local, county, state, and national news along with advertising.
Date: October 25, 1917
Creator: Orr, J. P.
Object Type: Newspaper
System: The Gateway to Oklahoma History

Junior Recital: 2006-03-06 – Ellen Pavliska, piano

A junior recital presented at the UNT College of Music Voertman Hall.
Date: October 25, 2013
Creator: Pavliska, Ellen
Object Type: Video
System: The UNT Digital Library
Marshall County Democrat. (Madill, Indian Terr.), Vol. 2, No. 5, Ed. 1 Friday, October 25, 1907 (open access)

Marshall County Democrat. (Madill, Indian Terr.), Vol. 2, No. 5, Ed. 1 Friday, October 25, 1907

Weekly newspaper from Madill, Chickasaw Nation, Indian Territory that includes local, territorial, and national news along with advertising.
Date: October 25, 1907
Creator: Draper, W. G. & Looney, Joseph L.
Object Type: Newspaper
System: The Gateway to Oklahoma History