140 Matching Results

Search Results

Advanced search parameters have been applied.
in subjects: "chemical elements"  
prev Results: 49 - 72 next
open access

Fabrication of wide-IF 200–300GHz superconductor–insulator–superconductor mixers with suspended metal beam leads formed on silicon-on-insulator

Description: This article reports on a fabrication process that uses silicon-oninsulator (SOI) substrates and micromachining techniques to form wide-IF superconductor–insulator–superconductor (SIS) mixer devices that have suspended metal beam leads for rf grounding. Aside from a description of the fabrication process, electrical measurements of these Nb/Al–AlNₓ /Nb trilayer devices will also be presented.
Date: October 7, 2004
Creator: Kaul, Anupama; Bumble, Bruce; Lee, Karen A.; LeDuc, Henry G.; Rice, Frank & Zmuidzinas, Jonas
Item Type: Refine your search to only Article
Partner: UNT College of Engineering
open access

Rediscovery of the Elements: Thorium

Description: Article recounting the discovery of the element Thorium in Norway by Hans Morten Thrane Esmark. Maps and tourist information regarding the area are provided.
Date: Winter 2001
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Item Type: Refine your search to only Article
Partner: UNT College of Arts and Sciences
open access

Rediscovery of the Elements: Gallium

Description: Article describing the discovery of the element gallium. The authors travel to sites pertinent to the history of gallium, including the home and laboratory of its discoverer and the location from which it was procured.
Date: Winter 2002
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Item Type: Refine your search to only Article
Partner: UNT College of Arts and Sciences
open access

Rediscovery of the Elements: Thallium, Crookes, and Lamy

Description: Article describing the nearly simultaneous discovery of thallium by William Crookes and Claude-August Lamy. Tourist information is included for areas in London, England, and Lille, France, that are significant to the lives of these two men.
Date: Winter 2011
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Item Type: Refine your search to only Article
Partner: UNT College of Arts and Sciences
open access

Manaccan Church, Lizard Peninsula, Cornwall, England.

Description: Cover of The Hexagon bearing the image of the Church of Manacca in Cornwall, England. The church is a stone building with arched windows visible on two levels. A crenelated tower extends up from the nearest portion of the church. Tombstones are visible near the bottom of the image, with a fronded plant to the left. The picture has the logo of The Hexagon across its top, a photo of James and Virginia Marshall on the right, and a photo from an article about pharmaceutical jobs near the center.
Date: Autumn 2000
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Item Type: Refine your search to only Article
Partner: UNT College of Arts and Sciences
Back to Top of Screen