The next generation of electronic hardware security may be at hand as researchers at New York University Tandon School of Engineering introduce a new class of unclonable cybersecurity security primitives made of a low-cost nanomaterial with the highest possible level of structural randomness. Randomness is highly desirable for constructing the security primitives that encrypt and thereby secure computer hardware and data physically, rather than by programming.

In a paper published in the journal ACS Nano, Assistant Professor of Electrical and Computer Engineering Davood Shahrjerdi and his NYU Tandon team offer the first proof of complete spatial randomness in atomically thin molybdenum disulfide (MoS2). The researchers grew the nanomaterial in layers, each roughly one million times thinner than a human hair. By varying the thickness of each layer, Shahrjerdi explained, they tuned the size and type of energy band structure, which in turn affects the properties of the material.

“At monolayer thickness, this material has the optical properties of a semiconductor that emits light, but at multilayer, the properties change, and the material no longer emits light. This property is unique to this material,” he said. By tuning the material growth process, the resulting thin film is speckled with randomly occurring regions that alternately emit or do not emit light. When exposed to light, this pattern translates into a one-of-a-kind authentication key that could secure hardware components at minimal cost.

Read more at phys.com

Image Credit:  NYU Tandon: Althea Labre  

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Single nanoparticle mapping paves the way for better nanotechnology

October 24th, 2017|0 Comments

Researchers at Chalmers University of Technology and the Technical University of Denmark have developed a method that makes it possible to map the individual responses of nanoparticles in different situations [...]

Scientists use supercomputer to search for “memory molecules”

October 23rd, 2017|0 Comments

Until now, searching for genes related to memory capacity has been comparable to seeking out the proverbial "needle in a haystack." Scientists at the University of Basel made use of [...]

Can nanotechnology heal scar tissue?

October 22nd, 2017|0 Comments

Dr Tristan Clemons, a UWA researcher, does his work on this minute scale. And while working on the nanoscale is pushing our science and technology to its limits, it's on [...]