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Related Concept Videos

Van de Graaff Generator01:15

Van de Graaff Generator

Van de Graaff generators (or Van de Graaffs) are devices used to demonstrate high voltage due to static electricity that can also be used for research. Robert Van de Graaff first built one in 1931 (based on original suggestions by Lord Kelvin) for use in nuclear physics research.
Van de Graaff uses both smooth and pointed surfaces, conductors, and insulators to generate large static charges and, hence, large voltages. A substantial excess charge can be deposited on the sphere because it moves...

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Related Experiment Video

Updated: Jul 11, 2026

Synthesis and Microdiffraction at Extreme Pressures and Temperatures
07:26

Synthesis and Microdiffraction at Extreme Pressures and Temperatures

Published on: October 7, 2013

Synthetic diamond as a pressure generator.

A Onodera, K Furuno, S Yazu

    Science (New York, N.Y.)
    |June 13, 1986
    PubMed
    Summary

    Researchers generated extreme static pressures exceeding 68 gigapascals using synthetic diamond anvils. This method achieved record pressures by driving diamond culet surfaces into contact, crucial for high-pressure research.

    Area of Science:

    • Materials Science
    • High-Pressure Physics
    • Geophysics

    Background:

    • Generating extremely high static pressures is essential for understanding material properties under extreme conditions.
    • Previous methods have limitations in achieving the pressures required for certain scientific investigations.

    Purpose of the Study:

    • To develop and demonstrate a method for generating static pressures exceeding 68 gigapascals.
    • To utilize synthetic diamond anvils for achieving these extreme pressures.

    Main Methods:

    • Synthetic diamond crystals were employed as opposed anvils.
    • The small culet surfaces of the diamonds were driven into direct contact.
    • Ruby fluorescence was used to measure the generated pressure.

    More Related Videos

    An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions
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    An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

    Published on: June 18, 2020

    High Pressure Single Crystal Diffraction at PX^2
    11:32

    High Pressure Single Crystal Diffraction at PX^2

    Published on: January 16, 2017

    Related Experiment Videos

    Last Updated: Jul 11, 2026

    Synthesis and Microdiffraction at Extreme Pressures and Temperatures
    07:26

    Synthesis and Microdiffraction at Extreme Pressures and Temperatures

    Published on: October 7, 2013

    An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions
    07:48

    An Externally-Heated Diamond Anvil Cell for Synthesis and Single-Crystal Elasticity Determination of Ice-VII at High Pressure-Temperature Conditions

    Published on: June 18, 2020

    High Pressure Single Crystal Diffraction at PX^2
    11:32

    High Pressure Single Crystal Diffraction at PX^2

    Published on: January 16, 2017

    Main Results:

    • Static pressures in excess of 68 gigapascals (680 kilobars) were successfully achieved.
    • The diamond anvil technique proved effective for generating ultra-high static pressures.

    Conclusions:

    • The synthetic diamond anvil method is capable of generating ultra-high static pressures.
    • This technique offers a viable pathway for future high-pressure research and material science studies.