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Another step toward harnessing memristors (photos)

1 of 6 NEXT PREV
  • crossbar1x17_2.jpg

    Memristors (memory + resistors) have been hyped as leading the future of computers but the problem has been that no one really knew how they worked - until now.

    HP, which discovered memristors in 2006, teamed with scientists from the University of California at Santa Barbara to study them and discovered how current flow caused heating that changed the molecular structure of the device. They also discovered that memristors function like the neurons that pass information around the human brain. See HP figures out how memristors work, predicts robot use by ZDNet UK's David Meyer.

    Also see:

    The amazing memristor - beyond Moore's Law and beyond digital computing

    Researchers develop new brain-like molecular processor

    Ready for ReRAM? HP and Hynix think so

    Storage: the next generation

    This post was originally published on Smartplanet.com
    Published: May 17, 2011 -- 09:15 GMT (02:15 PDT)

    Caption by: Andy Smith

  • rcjMemristor.jpg

    Memristors are a "thin titanium dioxide film held between two metal electrodes, and they act within circuitry as resistors. However, memristors have the added quality of remembering the resistance they had when current last flowed through them, hence the portmanteau name. Their resistance increases or decreases depending on the direction of the current," according to ZDNet UK's David Meyer.

    "Representing a fourth basic passive circuit element, memristors have the ability to ‘remember’ the total electrical charge that passes through them," says Research associate John Paul
    Strachan.

    This post was originally published on Smartplanet.com
    Published: May 17, 2011 -- 09:15 GMT (02:15 PDT)

    Caption by: Andy Smith

  • memristor.jpg

    Electrical charge flowing through a memristor changes the resistance state of the device, but actually observing the corresponding material changes has been a challenge. Highly focused x-rays were used to probe the memristor non-destructively and a ~100 nm region with concentrated oxygen vacancies (right, shown in blue) where the memristive switching occurs was discovered. Surrounding this region a newly developed structural phase (red) was also found, which acted like a thermometer telling researchers where and how hot it became.

    Caption credit: HP

    This post was originally published on Smartplanet.com
    Published: May 17, 2011 -- 09:15 GMT (02:15 PDT)

    Caption by: Andy Smith

  • stan.jpg

    HP's Stan Williams led the research team that cracked open memristors in 2008. ZDNet's Tom Foremski sat down with him and talked about his team's findings.

    This post was originally published on Smartplanet.com
    Published: May 17, 2011 -- 09:15 GMT (02:15 PDT)

    Caption by: Andy Smith

  • strachan.jpg

    "One of the biggest hurdles in using these devices is understanding how they work: the microscopic picture for how they undergo such tremendous and reversible change in resistance. We now have a direct picture for the thermal profile that is highly localised around this channel during electrical operation, and is likely to play a large role in accelerating the physics driving the memristive behavior." - John Paul Strachan of the nanoElectronics Research Group at HP Labs.

    This post was originally published on Smartplanet.com
    Published: May 17, 2011 -- 09:15 GMT (02:15 PDT)

    Caption by: Andy Smith

  • memristorhynix-1.jpg

    The timeline of memristors.

    This post was originally published on Smartplanet.com
    Published: May 17, 2011 -- 09:15 GMT (02:15 PDT)

    Caption by: Andy Smith

1 of 6 NEXT PREV
Andy Smith

By Andy Smith | May 17, 2011 -- 09:15 GMT (02:15 PDT) | Topic: Innovation

  • crossbar1x17_2.jpg
  • rcjMemristor.jpg
  • memristor.jpg
  • stan.jpg
  • strachan.jpg
  • memristorhynix-1.jpg

Researchers say they have found out that memristors function like the neurons that pass information around the human brain.

Read More Read Less

Memristors (memory + resistors) have been hyped as leading the future of computers but the problem has been that no one really knew how they worked - until now.

HP, which discovered memristors in 2006, teamed with scientists from the University of California at Santa Barbara to study them and discovered how current flow caused heating that changed the molecular structure of the device. They also discovered that memristors function like the neurons that pass information around the human brain. See HP figures out how memristors work, predicts robot use by ZDNet UK's David Meyer.

Also see:

The amazing memristor - beyond Moore's Law and beyond digital computing

Researchers develop new brain-like molecular processor

Ready for ReRAM? HP and Hynix think so

Storage: the next generation

This post was originally published on Smartplanet.com
Published: May 17, 2011 -- 09:15 GMT (02:15 PDT)

Caption by: Andy Smith

1 of 6 NEXT PREV

Related Topics:

Innovation CXO Digital Transformation Tech Industry Smart Cities Cloud
Andy Smith

By Andy Smith | May 17, 2011 -- 09:15 GMT (02:15 PDT) | Topic: Innovation

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