high frequency ion

Highfrequency supercapacitors based on doped carbon

The slow frequency response was mainly due to the unsuitable pore structures of electrodes that impede highrate ion diffusions. We have demonstrated the growth of doped carbon nanostructures on a conductive substrate in a scalable AACVD process.

Highfrequency supercapacitors based on doped carbon

The slow frequency response was mainly due to the unsuitable pore structures of electrodes that impede highrate ion diffusions. We have demonstrated the growth of doped carbon nanostructures on a conductive substrate in a scalable AACVD process.

High Frequency Losses in Induction Motors

Highfrequency steel loss factor, 2.5% silicon steel, at I.tr 800 72 Flux pulsation due to slot opening 73 Equivalent circuit representing harmonic airgap fields 74 Induced circulating current loss factor for six stator slots per pole 75

Progress And Perspective For High Frequency, High

The VENUS ECR ion source at the Lawrence Berkeley National Laboratory (LBNL) is a 3rd generation source and has been designed for optimum operation using 28 GHz plasma heating frequency. It is currently the only superconducting, high field ECR ion source operating at this frequency. During design and construction, a number

Preparation and structural properties of thin carbon films

These features are related to the higher ion energy and the lower ions flux onto the substrate. Therefore, the 60 MHz VHF sputtering is more suitable for the preparation of thin aC film with more sp3 contents. Keywords: carbon thin films, veryhighfrequency

High frequency new particle formation in the Himalayas PNAS

To our knowledge, this dataset is the first longterm analysis of ultrafine particle events at high altitude. The event frequency is higher than the few reported so far by Nishita et al. at Mt Norikura, Japan 2,770 m asl (17% of the days over a limited period of 23 days) and Venzac et al. at Puy de Dôme, France, 1,465 m asl (events occurred in more than one third of the analyzed days).

Xiamen University

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Low Pressure RF Plasma Sources for Industrial

ion flux and ion energy. High frequency f h to control plasma density (ion flux), while low frequency f l to control ion energy and its specter (IED) f h = 27162 MHz, f l = 213.56, sometime both 2 and 13.56 MHz to tailor IED Today, Dual (Triple) Frequency CCPs are the mainstream technology M. Lieberman''s lecture, 2007

highfrequency chargedischarge cycling induced by cell voltage equalizers on the life performance of lithiumion cells Vehicul Technol, IEEE Trans on,

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HIGH CURRENT RADIO FREQUENCY ION SOURCE (Patent)

@article{osti_4728376, title = {HIGH CURRENT RADIO FREQUENCY ION SOURCE}, author = {Abdelaziz, M E}, abstractNote = {This patent relates to a high current radio frequency ion source. A cylindrical plasma container has a coil disposed around the exterior surface thereof along the longitudinal axis. Means are provided for the injection of an unionized gas into the container and for

China High Frequency Circulatory System Automatic

China High Frequency Circulatory System Automatic Integrated Water Treatment Device, Find details about China Water Filter System, Air Filter from High Frequency Circulatory System Automatic Integrated Water Treatment Device ZhangJiaGang Honor Machine Co., Ltd.

ion resulting in coherent light emission. The advances documented in this Letter enable a unifiion of these research fields, generating a high repetition rate (at the laser''s original 100 MHz repetition frequency) and phasecontrolled frequency comb in the XUV region, which is shown to maintain a

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High frequency fishbone driven by passing energetic ions

the mode frequency is close to the thermal ion diamagnetic drift frequency. The second branch corresponds to the resonance condition ω = ω φ, and it has a much higher frequency than the first branch [13]. In the previous model for the high frequency fishbone driven by passing energetic ions [13], it showed that the mode frequency and the

High‐frequency/high‐field EPR spectroscopy of the high

A parallel spectroscopic technique is frequency‐domain magnetic resonance spectroscopy (FDMRS), in which the frequency is swept while at zero, or at discrete applied magnetic fields. We describe here the appliion of HFEPR and FDMRS to two simple high‐spin (HS) ferrous (Fe 2+ ) salts: ferrous perchlorate hydrate, [Fe(H 2 O) 6 ](ClO 4 ) 2

Flexible lowvoltage highfrequency organic thinfilm

The primary driver for the development of organic thinfilm transistors (TFTs) over the past few decades has been the prospect of electronics appliions on unconventional substrates requiring lowtemperature processing. A key requirement for many such appliions is highfrequency switching or amplifiion at the low operating voltages provided by lithiumion batteries (~3 V).

HIGH CURRENT RADIO FREQUENCY ION SOURCE (Patent)

@article{osti_4728376, title = {HIGH CURRENT RADIO FREQUENCY ION SOURCE}, author = {Abdelaziz, M E}, abstractNote = {This patent relates to a high current radio frequency ion source. A cylindrical plasma container has a coil disposed around the exterior surface thereof along the longitudinal axis. Means are provided for the injection of an unionized gas into the container and for

A 750 MHz radio frequency quadrupole with

Abstract: Highfrequency linear accelerators are very suitable for carbon ion therapy, thanks to the reduced operational costs and the high beam quality with respect to synchrotrons, which are presently the only available technology for this appliion.

frequency is much smaller than the collision frequency v. In reality, however, magnetohydrodynamic waves may exist for any relationship between со and v. It must only be assumed that the oscillation frequency is small compared with the ion cyclotron frequency co C i8> 9 It may be shown10 from Eqs. (1) and (2) that both an

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High frequency ion sound waves are observed during the Langmuir waves in the source regions of five of these local events. The temporal coincidence of high frequency ion sound and Langmuir waves can not be interpreted in terms of any resonant wavewave interactions, such as the electrostatic or electromagnetic decay instabilities

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Highfrequency supercapacitors based on doped carbon

The slow frequency response was mainly due to the unsuitable pore structures of electrodes that impede highrate ion diffusions. We have demonstrated the growth of doped carbon nanostructures on a conductive substrate in a scalable AACVD process.

HighFrequency EPR Study of the Ferrous Ion in the Reduced

Highfrequency (94−371 GHz) EPR data are reported for powdered samples of [PPh4]2[Fe(SPh)4], an accurate model for the reduced site of rubredoxins. This is the first HFEPR investigation of an S = 2 ferrous complex, illustrating the utility of this technique for the investigation of integerspin systems. A fullmatrix diagonalization approach is used to simulate spectra over the

Observation of highfrequency electrostatic waves in the

• Highfrequency electrostatic waves were observed in the vicinity of the ion diffusion region • Energy dissipated by these highfrequency waves is negligible compared to that by the lowerfrequency process Correspondence to: M. Zhou, [email protected] Citation: Zhou, M., et al. (2016), Observation of highfrequency electrostatic waves in

high frequency capacitively coupled plasma (CCP) excited by a sawtooth like current waveform. Two current densities, 50 A/m2 and 100 A/m2 are chosen for a constant gas pressure of 5 mTorr in argon plasma. The driving frequency is varied from 13.56 MHz to 54.24 MHz. At a lower driving frequency, high frequency

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highfrequency chargedischarge cycling induced by cell voltage equalizers on the life performance of lithiumion cells Vehicul Technol, IEEE Trans on,

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High Frequency Losses in Induction Motors

Highfrequency steel loss factor, 2.5% silicon steel, at I.tr 800 72 Flux pulsation due to slot opening 73 Equivalent circuit representing harmonic airgap fields 74 Induced circulating current loss factor for six stator slots per pole 75

High frequency impedance of Liion batteries IEEE

High frequency impedance of Liion batteries Abstract: The development of electrically driven cars focuses primarily on the battery since this is the restraining factor for driving range and performance. In addition to this DC characteristic, the battery also has a highfrequency behaviour which has to be evaluated in order to ensure proper

(PDF) High Frequency Ion Bernstein Wave Heating

High Frequency Ion Bernstein Wave Heating Experiment on JIPP TIIU Tokamak Article (PDF Available) in Nuclear Fusion 32(12) · December 1992 with 25 Reads How we measure ''reads''

On the appliion of radio frequency voltages to ion

Stable motion of an ion in the trapping field will only occur over certain ranges of these parameters and is dependent on the initial position and momentum of the ion. It can be seen from (1) and (2) that a high voltage will lead to a deep trapping potential and a high secular frequency. A deep potential provides long ion lifetimes and large

Ionic contributions to the frequency dependent dielectric

The high frequency ''ionclamped'' dielectric constant (∞) was obtained with the LOPTICS calculation. The static field ( ω = 0 {displaystyle omega =0} ) contribution of the ionic lattice to the dielectric constant ( ε i o n {displaystyle varepsilon _{{{rm {ion}}}}} ) can be calculated by DFPT or by the finitedifference method.

On the appliion of radio frequency voltages to ion

Stable motion of an ion in the trapping field will only occur over certain ranges of these parameters and is dependent on the initial position and momentum of the ion. It can be seen from (1) and (2) that a high voltage will lead to a deep trapping potential and a high secular frequency. A deep potential provides long ion lifetimes and large

HIGH FREQUENCY PLASMA GENERATORS FOR ION

High Frequency Plasma Generator for ION Thrusters 7. Aulha(s1 Heinz Goede, William F. Di Vergilio, Verryl V. Fosnight, G. 9. Rrfamnq Orprrimion Nama and Adba TRW One Space Park Redondo Beach, CA 90278 12 Spmwr~ng ~gmw ~.m rd Add NASA Lewis Research Center 2100 Brookpark Rd. Cleveland. OH 44135 5. Report Date July 1984 8.

REVIEW ARTICLE Ion energy distributions in rf sheaths

2.3. Analytical calculation for the highfrequency regime BenoitCattinet al [9] analytically calculated the IED and 1E i in the highfrequency regime (˝ ion=˝ rf ˛1) for a collisionless rf sheath. They assumed (i) a constant sheath width, (ii) a uniform sheath electric field, (iii) a sinusoidal sheath voltage V s.t/DVN s + VQ ssin!tand (iv

high current implanter_high current

high current implanter：,high current implanter、、。 "high" adj. 1.〔, tall〕； "current" adj. 1.,。2.

HIGH FREQUENCY RFQ DESIGN AND LEBT MATCHING FOR THE CERN TWINEBIS ION SOURCE V. Bencini, M. Breitenfeldt, J.B. Lallement, A.M. Lombardi, H. Pahl, J. Pitters, A. Pikin, F. Wenander CERN,Geneva, Switzerland Abstract An Electron Beam Ion Source (EBIS) is being developed at CERN [1] for production of highly charged ions, for instance fully

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Computercontrolled, variablefrequency power supply

A high voltage, variablefrequency driver circuit for powering resonant multipole ion guides is presented. Two key features of this design are 1 the use of integrated circuits in the driver stage

high frequency capacitively coupled plasma (CCP) excited by a sawtooth like current waveform. Two current densities, 50 A/m2 and 100 A/m2 are chosen for a constant gas pressure of 5 mTorr in argon plasma. The driving frequency is varied from 13.56 MHz to 54.24 MHz. At a lower driving frequency, high frequency

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High frequency ion sound waves associated with

G. Thejappa and R. J. MacDowall: High frequency ion sound waves 413 0 2 4 6 8 10 12 14 (day 121) 100 900 0 2 4 6 8 10 12 14 10 20 30 40 E (RAR) Freq (kHz) 0 5 10 15 20 14 16 18 20 22

The effects of high frequency current ripple on electric

M. Uno, K. TanakaInfluence of highfrequency chargedischarge cycling induced by cell voltage equalizers on the life performance of lithiumion cells Vehicul Technol, IEEE Trans on,

High‐frequency Alfvén waves in multi‐ion coronal plasma

[1] We investigate the effects of high‐frequency (of order ion gyrofrequency) Alfvén and ion‐cyclotron waves on ion emission lines by studying the dispersion of these waves in a multi‐ion coronal plasma. For this purpose we solve the dispersion relation of the linearized multifluid and Vlasov equations in a magnetized multi‐ion plasma with coronal abundances of heavy ions.

Measurement of Ion Cyclotron Emissions by Using High

Abstract Two pairs of highfrequency magnetic probes were installed in the Large Helical Device (LHD). During the injection of a perpendicular neutral beam, ion cyclotron emissions (ICEs) with the fundamental frequency corresponding to the ion cyclotron frequency at the plasma

high frequency capacitively coupled plasma (CCP) excited by a sawtooth like current waveform. Two current densities, 50 A/m2 and 100 A/m2 are chosen for a constant gas pressure of 5 mTorr in argon plasma. The driving frequency is varied from 13.56 MHz to 54.24 MHz. At a lower driving frequency, high frequency

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High Frequency Impedance and Electromagnetic Interference

The highfrequency equivalent circuit of power battery is consequently established. Secondly, peripheral circuit of lithiumion battery (DC/AC system) is established to obtain the current at DC bus, which would be imported to an electromagnetic simulation tool as excitation source to conduct cosimulation of field and circuit for distribution

China HighFrequency Infrared Carbon&Sulfur Analyzer

China HighFrequency Infrared Carbon&Sulfur Analyzer, Find details about China HighFrequency Carbon Sulphur Analyzer, Arc Infrared Carbon&Sulphur Analysis Instrument from HighFrequency Infrared Carbon&Sulfur Analyzer Shanghai Drawell Scientific Instrument Co., Ltd.

HighFrequency EPR Study of the Ferrous Ion in the Reduced

Highfrequency (94−371 GHz) EPR data are reported for powdered samples of [PPh4]2[Fe(SPh)4], an accurate model for the reduced site of rubredoxins. This is the first HFEPR investigation of an S = 2 ferrous complex, illustrating the utility of this technique for the investigation of integerspin systems. A fullmatrix diagonalization approach is used to simulate spectra over the

REVIEW ARTICLE Ion energy distributions in rf sheaths

2.3. Analytical calculation for the highfrequency regime BenoitCattinet al [9] analytically calculated the IED and 1E i in the highfrequency regime (˝ ion=˝ rf ˛1) for a collisionless rf sheath. They assumed (i) a constant sheath width, (ii) a uniform sheath electric field, (iii) a sinusoidal sheath voltage V s.t/DVN s + VQ ssin!tand (iv