Results 191 to 200 of about 566,568 (257)
Advanced Functional Materials, EarlyView.Significant nanoscale oxygen diffusion coefficient variations are measured in ferroelectric hafnium zirconium oxide films with grain boundaries and electrode interfaces exhibiting values 104 times larger than the grain cores. Overall coefficients are 10X larger for films prepared with metal nitride electrodes compared to refractory metals. New insights
Liron Shvilberg +6 more
wiley +1 more source
Addressing the Oxygen in the Room: Exploring the Formation of Oxygenated Species for Nitazene Analogs Using DART-MS. [PDF]
J Am Soc Mass SpectromHardwick EK, Couch AN, Davidson JT.
europepmc +1 more source
Advanced Functional Materials, EarlyView.We use scanning nitrogen vacancy magnetometry to directly image the weak in‐plane magnetic moments in mixed phase BiFeO3 at the nanoscale and quantify the local magnetic moments to be 18.8±2.0 μB/nm2 in the rhombohedral‐like phase and 1.5±0.6 μB/nm2 in the well‐known non‐magnetic tetragonal‐like phase.
Lei Wang +14 more
wiley +1 more source
Development of an Atmospheric-Pressure Photoionization Source for VOC Detection With a Miniature High-Pressure Mass Spectrometer. [PDF]
Rapid Commun Mass SpectromRowland AM +6 more
europepmc +1 more source
Detection of Zwan-Wolf effect in the ionosphere of Mars. [PDF]
Nat CommunFowler CM +17 more
europepmc +1 more source
Single-step in vitro reconstitution of the <i>Escherichia coli</i> ribosome mediated by two GTPase factors, EngA and ObgE. [PDF]
ElifeSato A +4 more
europepmc +1 more source
Mobility-Based Ionization Detector with a Soft X-ray Source. [PDF]
Anal ChemPiwowarski K +3 more
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Review of Scientific Instruments, 1949
An ion source for particle accelerators is described. The ion source utilizes an axial magnetic field for collimation of ion and electron beams and provides an electric field-free region for ion formation. The ion source has afforded yields of 500 microamperes of resolved protons when used in conjunction with a 200-kv high voltage set. A feature of the
C, BAILEY, D L, DRUKEY, F, OPPENHEIMER
exaly +3 more sources
An ion source for particle accelerators is described. The ion source utilizes an axial magnetic field for collimation of ion and electron beams and provides an electric field-free region for ion formation. The ion source has afforded yields of 500 microamperes of resolved protons when used in conjunction with a 200-kv high voltage set. A feature of the
C, BAILEY, D L, DRUKEY, F, OPPENHEIMER
exaly +3 more sources
Canadian Journal of Research, 1948
Positive ions are formed in a low pressure electrodeless discharge which is excited by the radio-frequency field of a coil coupled to a 15 Mc. per sec. oscillator. The ions are extracted from the discharge through a pumping canal (2 mm. in diameter × 12 mm. in length) by a simple arrangement of electrodes. After further focusing and acceleration to 50
A J, BAYLY, A G, WARD
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Positive ions are formed in a low pressure electrodeless discharge which is excited by the radio-frequency field of a coil coupled to a 15 Mc. per sec. oscillator. The ions are extracted from the discharge through a pumping canal (2 mm. in diameter × 12 mm. in length) by a simple arrangement of electrodes. After further focusing and acceleration to 50
A J, BAYLY, A G, WARD
openaire +2 more sources
Ion sources for ion machining applications
12th International Electric Propulsion Conference, 1976Ion sources with beam diameters of 2.5, 10, and 20 cm have been developed for ion machining applications. All three of these sources use carbon grids to minimize accelerator grid sputtering. A new starting circuit Is also employed that uses only passive components for initiation of the discharge. The two larger sources use a flat multipole chamber with
Harold R. Kaufman +2 more
openaire +1 more source