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Displaying 1351 - 1375 of 3312

Metal-Insulator transition in Doped Barium Plumbate

September 16, 2021
Author(s)
Andreza M. Eufrasio, Ian L. Pegg, Nikolaus Deems, Biprodas Dutta, Winnie Wong-Ng, Qingzhen Huang
Solid solutions in the Ba(Pb1−xSrx)O3−z system were prepared by aliovalent substitution of Pb4+ by Sr2+ ions to investigate the effect of cation stoichiometry on thermal and electrical properties as x was varied between 0 and 0.4, in the temperature range

Fundamentals of Mass Spectrometry

December 1, 2001
Author(s)
Vladimir G. Zaikin, Alexey V. Varlamov, Anzor I. Mikaia, Nikolay A. Prostakov
… and mass analyzers. Special chapters are devoted to the ion types in mass spectrometry and to the use of isotopes in …

Understanding and Optimizing the MALDI Process Using a Heated Sample Stage: a 2,5-Dihydroxybenzoic Acid Study

January 1, 2004
Author(s)
Mark Arnould, William E. Wallace, R Knochenmuss
… during LD experiments was raised from +20C to +160C and ion production measured as a function of temperature, while a … ([2DHB-2H2O+H]+) or di-esterification. The graph of total ion production remains constant from 20?C until 60?C, where … it increases almost exponentially and maximizes at 100C. Ion production at this point is 3 times that at room …

Radio Frequency and Analog/Mixed-Signal Technologies

January 20, 2012
Author(s)
Herbert S. Bennett, John J. Pekarik
… compound semiconductors composed of elements from group III and V in the periodic table. Compound semiconductors … CMOS), and SiGe heterojunction bipolar transistors (HBTs), III V compound semiconductor devices, High-Voltage MOS, and …

Etch induced microwave losses in titanium nitride superconducting resonators

June 25, 2012
Author(s)
Martin O. Sandberg, Jeffrey S. Kline, Martin P. Weides, David S. Wisbey, David P. Pappas
… were investigated: fluorine- and chlorine-based reactive ion etches and an argon-ion mill. At high microwave probe powers, the reactive etched resonators showed low internal loss, whereas the ion- milled samples showed dramatically higher loss. At …

Pores in Marcellus Shale: A Neutron Scattering and FIB-SEM Study

January 26, 2015
Author(s)
Xin Gu, David R. Cole, Gernot Rother, David F. Mildner, Susan L. Brantley
… plane of bedding. Neutron scattering combined with focused ion beam scanning electron microscope (FIB-SEM) reveals that … focused ion beam electron microscopy, nitrogen gas adsorption, …
Displaying 1351 - 1375 of 3312
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