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Related Concept Videos

Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle01:19

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Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview01:19

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In inductively coupled plasma–mass spectrometry (ICP–MS), an inductively coupled plasma (ICP) torch is used as an atomizer and ionizer. Solid samples are dissolved and volatilized before being introduced into the high-temperature argon plasma, while solution samples are nebulized and passed through the high-temperature argon plasma. Plasma dissociates the analytes and ionizes their component atoms to form a mixture of positive ions and molecular species. The positive ions are then passed on to...

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Related Experiment Video

Updated: Jun 15, 2026

Single-Digit Nanometer Electron-Beam Lithography with an Aberration-Corrected Scanning Transmission Electron Microscope
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Single-Digit Nanometer Electron-Beam Lithography with an Aberration-Corrected Scanning Transmission Electron Microscope

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The Brookhaven National Laboratory electron beam ion source for RHIC.

J G Alessi1, D Barton, E Beebe

  • 1Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973, USA.

The Review of Scientific Instruments
|March 3, 2010
PubMed
Summary

A new electron beam ion source (EBIS) is complete, designed for high-current ion beams for heavy ion research and space radiation studies. This advanced EBIS utilizes a superconducting solenoid and sophisticated vacuum systems for optimal performance.

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Area of Science:

  • Nuclear Physics
  • Accelerator Technology
  • Plasma Physics

Background:

  • A new heavy ion preinjector is under construction for the Relativistic Heavy Ion Collider (RHIC) and the NASA Space Radiation Laboratory.
  • An electron beam ion source (EBIS) is a critical component for generating ion beams.

Purpose of the Study:

  • To detail the design and construction of a new EBIS.
  • To produce milliampere currents of all ion species with q/m ratios from 1/6 to 1/2.
  • To meet the stringent vacuum requirements for ion confinement and extraction.

Main Methods:

  • Construction of a superconducting solenoid (5 T, 2 m length, 204 mm bore).
  • Integration of a 10 A electron gun and a 300 kW electron collector.
  • Implementation of a high-vacuum system (10^-10 Torr) with differential pumping, bakeable trap (400 C), and non-evaporable getter strips.
  • Utilizing fast switchable power supplies for 16 electrodes and a pulsed platform (up to 100 kV) for ion extraction.

Main Results:

  • The EBIS is fully assembled and undergoing final tests.
  • The design specifications target milliampere currents for various ion species.
  • Key components including the solenoid, electron gun, collector, and vacuum system have been successfully integrated.

Conclusions:

  • The new EBIS represents a significant advancement in ion source technology.
  • Successful operation is anticipated following final vacuum and power supply validation.
  • This EBIS will enhance capabilities for heavy ion research and space radiation simulation.