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- University of Maryland, College ParkUS12 papers
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5 papers · 1 filter
The Spitzer c2d Survey of Nearby Dense Cores: VI. The Protostars of Lynds Dark Nebula 1221
Chadwick H. Young, Tyler L. Bourke, Michael M. Dunham +7
Observations of Lynds Dark Nebula 1221 from the Spitzer Space Telescope are presented. These data show three candidate protostars towards L1221, only two of which were previously k…
Phase study of oscillatory resistances in microwave-irradiated- and dark- GaAs/AlGaAs devices: Indications of a new class of integral quantum Hall effect
R. G. Mani, W. B. Johnson, V. Umansky +2
We report the experimental results from a dark study and a photo-excited study of the high mobility GaAs/AlGaAs system at large filling factors, . At large-, the dark study i…
Characterizing Voltage Contrast in Photoelectron Emission Microscopy
Vinod K. Sangwan, Vincent W. Ballarotto, Karen Siegrist +1
A non-destructive technique for obtaining voltage contrast information with photoelectron emission microscopy (PEEM) is described. Samples consisting of electrically isolated metal…
Temperature-dependent transport in a sixfold degenerate two-dimensional electron system on a H-Si(111) surface
Robert N. McFarland, Tomasz M. Kott, Luyan Sun +2
Low-field magnetotransport measurements on a high mobility (mu=110,000 cm^2/Vs) two-dimensional (2D) electron system on a H-terminated Si(111) surface reveal a sixfold valley degen…
Double-beta decay Q values of 130Te, 128Te, and 120Te
N. D. Scielzo, S. Caldwell, G. Savard +13
The double-beta decay Q values of 130Te, 128Te, and 120Te have been determined from parent-daughter mass differences measured with the Canadian Penning Trap mass spectrometer. The…