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krisi
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graphene
krisi   8/14/2013 10:43:54 PM
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Graphen is probably the most promising materiak in this nano vision of IBM and others (EU has funded huge research effort in this space)...I wonder how long before graphene is used in commercial applications...5 years? 10? 20?

Ron Neale
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Re: hard to understand no its not
Ron Neale   8/14/2013 6:46:26 AM
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liangchen; Its purpose is and what it is really all about is..  "More specifically, we are studying functional molecules where electrical resistance can be switched when the molecule is contacted by two electrodes in a two-terminal device. In contrast to many other devices where a third electrode is needed, the two-terminal concept enables ultimate scaling and therefore the highest integration densities for memory applications."

It's about finding a way of manipulating structure at the atomic, molecular or bonding level to create the ultimate memory device. Consider it phase change memory (PCM) at the atomic or molecular level, where the phase (P) may not be the one we have all become used to in today's PCM which will be considered its stone-age antecedent.

I would guess they consider these devices will be so sensitive to noise that they need a quiet room rather than a box. 

 

liangchen
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hard to understand
liangchen   8/14/2013 4:08:43 AM
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I don't get the point of this artical

 

 

modelhigh.com



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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