Saturday, December 23, 2017

Impenetrable Diamene Clothing of the Future: Two Layers, One Atom Thick Each, Can Stop Bullets

Clothing could be made bullet proof and weigh no more than than the clothes you are wearing now.

Diamene made from graphene could enable development of a range of flexible, impenetrable materials capable of protecting the body and fragile objects

  Imagine a material as flexible and lightweight as foil that becomes stiff and hard enough to stop a bullet on impact. In a newly published paper in Nature Nanotechnology, researchers across The City University of New York (CUNY) describe a process for creating diamene: flexible, layered sheets of graphene that temporarily become harder than diamond and impenetrable upon impact.

Scientists at the Advanced Science Research Center (ASRC) at the Graduate Center, CUNY, worked to theorize and test how two layers of graphene — each one-atom thick — could be made to transform into a diamond-like material upon impact at room temperature. The team also found the moment of conversion resulted in a sudden reduction of electric current, suggesting diamene could have interesting electronic and spintronic properties. The new findings will likely have applications in developing wear-resistant protective coatings and ultra-light bullet-proof films.

By applying pressure at the nanoscale with an indenter to two layers of graphene, each one-atom thick, CUNY researchers transformed the honeycombed graphene into a diamond-like material at room temperature.
 Photo credit: Ella Maru Studio

“This is the thinnest film with the stiffness and hardness of diamond ever created,” said Elisa Riedo, professor of physics at the ASRC and the project’s lead researcher. “Previously, when we tested graphite or a single atomic layer of graphene, we would apply pressure and feel a very soft film. But when the graphite film was exactly two-layers thick, all of a sudden we realized that the material under pressure was becoming extremely hard and as stiff, or stiffer, than bulk diamond.”

Angelo Bongiorno, associate professor of chemistry at CUNY College of Staten Island and part of the research team, developed the theory for creating diamene. He and his colleagues used atomistic computer simulations to model potential outcomes when pressurizing two honeycomb layers of graphene aligned in different configurations. Riedo and other team members then used an atomic force microscope to apply localized pressure to two-layer graphene on silicon carbide substrates and found perfect agreement with the calculations. Experiments and theory both show that this graphite-diamond transition does not occur for more than two layers or for a single graphene layer.

“Graphite and diamonds are both made entirely of carbon, but the atoms are arranged differently in each material, giving them distinct properties such as hardness, flexibility and electrical conduction,” Bongiorno said. “Our new technique allows us to manipulate graphite so that it can take on the beneficial properties of a diamond under specific conditions.”

The research team’s successful work opens up possibilities for investigating graphite-to-diamond phase transition in two-dimensional materials, according to the paper. Future research could explore methods for stabilizing the transition and allow for further applications for the resulting materials.

This work was funded by the BES Office of the Department of Energy and the complete list of authors includes Yang Gao, Tengfei Cao, Filippo Cellini, Claire Berger, Walt Heer, Erio Tosatti, Angelo Bongiorno and Elisa Riedo.

Contacts and sources:
Paul McQuiston 
The Advanced Science Research Center (ASRC) at the Graduate Center of the City University of New York (CUNY)


  1. Buy this low priced and high quality television costume of Mariska Hargitay. Shop olivia benson leather jacket. Explore Celebs outfits for more trends.

  2. Video game Devil May Cry 3 vergil coat is an ideal costume for Halloween of cosplay parties if you are willing to impress the viewers. Shop for less.

  3. Love to read it,Waiting For More new Update and I Already Read your Recent Post its Great Thanks. 20대여자쇼핑몰추천

  4. Chinese materials and dress items to the US during 2006-2008. The China-EU understanding, viable from June 2005, covers 10 classifications of Chinese materials and attire fares to the EU during 2005-2007. Iron On Name Patches

  5. Thank you for this incredible news. Such news only says that the future is already here and it is happening before our eyes! In general, the idea of ​​such material is very super, I will definitely get myself something from such material when such things appear on sale :)
    By the way, on YouTube you can find funny experiments of scientists who are trying to create invisible clothes, unfortunately I don't remember the name of this video, but it definitely had about 30 thousand views, I'm sure the author of this video used to buy views.