All Blog Posts Tagged 'graphene' (135)


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Graphene international conference announces speaker line-up for 2013

The 3rd edition of Graphene international conference will be held next spring under the umbrella of ImagineNano event (www.imaginenano.com) in Spain between the 23rd and 26th of April 2013.

 

Renowned speakers on the field already confirmed their presence and the program is nearly closed.

 

Keynotes

-          Dimitri Basov (University of California,…

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Added by TINC on November 13, 2012 at 6:39pm — No Comments


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Is graphene nano?

I've been working with graphene for over a year now, and before that I was working with photonic nanostructures. For me the transition from nano to graphene was natural. After the initial excitement and a period of learning that comes with a new job, I've recently started to follow my old nano-community again. Although to me it has seemed that the fields of nano and graphene are intertwined, I have now started to think that maybe they are two different worlds. So I think this is the proper…

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Added by Marko Spasenovic on November 9, 2012 at 4:03pm — 4 Comments


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Highly transparent and flexible resistive memory made from silicon and graphene

Researchers from the Rice University have developed highly transparent (95%), flexible, nonvolatile resistive memory devices based on silicon oxide (SiOx) and graphene. This research began in 2008 when they discovered that silicon oxide itself can be a switch.



The researchers placed the SiOx and crossbar graphene terminals on flexible plastic to make the simple memory devices which can be stacked in 3D and made in multi-state architectures:…



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Added by TINC on October 3, 2012 at 9:57pm — No Comments


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Graphenea collaborates with the University of Harvard in search of applications for graphene

The Graphenea company, a start-up of a group of private investors and CIC nanoGUNE specialised in the production of graphene, a material with unique properties which consists of a layer of carbon the thickness of an atom, collaborates with the Universidad de Harvard in the search for applications for the material.…

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Added by TINC on September 25, 2012 at 1:34pm — No Comments


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CARBON NANOMATERIALS - 10 day until NANOPOSTER 2012

N.A. Vinnikov, A.V. Dolbin, V. B. Esel'son, V.G. Gavrilko, V. G. Manzhelii, S. N. Popov, B. Sundqvist

P12-13 QUANTUM AND DIMENSIONAL EFFECTS IN CARBON…

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Added by TINC on August 31, 2012 at 7:14pm — No Comments


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Sony managed to create a 100-meter long graphene sheet, largest in the world!

Sony has developed a new graphene producing process that use a roll-to-roll method. They have built a machine that can produce graphene sheets up to 100 meters in length (23 cm width), and the resulting sheet is the largest area graphene sheet in the world by far (the previous record was Samsung's 40" sheet from back in 2011):…



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Added by TINC on August 29, 2012 at 8:28pm — No Comments


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Nanométeres hullámok a grafén atomi szerkezetében (in Hungarian)

Az MTA TTK Műszaki Fizikai és Anyagtudományi Intézetében Tapasztó Leventének és munkatársainak először sikerült a grafén szerkezeti hullámzását nanométer alatti (0.7 nm) pontossággal szabályozni. Az eddig elérhető 300 nanométeres hullámhosszhoz képest ez óriási előrelépést jelent.

 …

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Added by TINC on August 21, 2012 at 8:04pm — No Comments


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Aligned insulated graphene sheets hold promise for 3D chips

Researchers from Manchester University have used a new side-view imaging method to individually visualize graphene sheets in a layered insulated stack of sheets. They found out that each graphene layer in such a structure is perfectly aligned, even with 10 layers. This was a surprise as they expected the graphene to be distorted.



This means that stacking graphene sheets does not degrade their properties. This means that you can stack graphene to create 3D chips - which will have a…

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Added by TINC on August 2, 2012 at 7:44pm — No Comments


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A grafén kijavítja saját hibáit (in Hungarian)

Washington, 2012. július 30., hétfő (MTI) - A grafén önjavító mechanizmusát fedezték fel brit kutatók, a "csodás anyag" képes kijavítani rácsszerkezetének hibáit - számoltak be a Manchesteri Egyetem és a SuperSTEM Laboratórium (Daresbury) kutatói a Nano…

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Added by TINC on July 31, 2012 at 7:49pm — No Comments


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Graphene may enable the ultimate water desalination device

MIT scientists have shown (in simulations) that nanoporous graphene can filter salt from water at a rate that is 2-3 orders of magnitude faster than today’s best commercial desalination technology, reverse osmosis (RO). This could lead to more efficient and smaller water desalination facilities.



The graphene is used as a membrane material that allows a flow of water with full salt refection via size exclusion. Other materials have been investigated for the same purpose, but the…

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Added by TINC on June 25, 2012 at 9:54pm — No Comments


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Graphene: nanoscale processing and recent applications

we have uploaded to our homepage

    http://www.nanotechnology.hu

our new paper entitled

Biró,László,Péter;Nemes-Incze,Péter;Lambin,Philippe:

GRAPHENE: NANOSCALE PROCESSING AND RECENT APPLICATIONS;
Nanoscale 4, 1824(2012)

Added by TINC on June 14, 2012 at 7:31pm — No Comments


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Graphene used to created the world's smallest Olympic games logo ever

A research team from IBM Research in Zurich helped to create the smallest Olympic logo ever - made from five carbon rings in graphene, this is rather cool:

http://www.graphene-info.com/smallest-olympic-logo-ever-created-graphene

Added by TINC on June 2, 2012 at 8:50pm — No Comments


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Revealing atomic scale steps of graphene by light microscopy

Dear All,



we have uploaded to our homepage



    http://www.nanotechnology.hu



our new paper entitled



Kertész,K.;Koós,A.,A.;Murdock,

A.,T.;Vértesy,Z.;Nemes-Incze,P.;Szabó,P.,J.;Horváth,Z.,E.;Tapasztó,L.;Hwang,Ch.;Grobert,N.;Biró,L.,P.:

POLARIZED LIGHT MICROSCOPY OF CHEMICAL-VAPOR-DEPOSITION-GROWN GRAPHENE ON COPPER;

Appl. Phys. Lett. 100,…
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Added by TINC on June 2, 2012 at 9:10am — No Comments


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Time and energy dependent dynamics of the STM,tip – graphene system

Dear All,

we have uploaded to our homepage

    http://www.nanotechnology.hu

our new paper entitled

Vancsó,Péter;Márk,Géza,István;

Hwang,Chanyong;Lambin,Philippe;Biró,László,P.:
TIME AND ENERGY DEPENDENT DYNAMICS OF THE STM TIP – GRAPHENE SYSTEM;
European Journal of Physics B 85, 142-1(2012)

Added by TINC on May 9, 2012 at 7:17pm — No Comments


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Graphene – Be ready for the bubble

people mention it as The Miracle material - even before inventors earned Nobel

Graphene is a two dimensional tiny sheet. A…

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Added by Dilantha Thushara on April 9, 2012 at 4:30pm — No Comments


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Engineered piezoelectric graphene could yield dramatic degree of control in ...

Such promising physics have made graphene the most studied substance of the last decade, particularly in nanotechnology. In 2010, the researchers who first isolated it shared the Nobel Prize. Yet, while graphene is many things, it is not piezoelectric.…

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Added by TINC on March 17, 2012 at 5:14pm — No Comments


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GRAPHENE 2012

Dear Colleague,
 
We would like to remind you the forthcoming GRAPHENE 2012 International conference to be held soon in Graphene (April 10-13, Brussels)
 
A fantastic program is already online
 
 
Do not miss…
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Added by TINC on March 16, 2012 at 7:16pm — No Comments


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Researchers develop high-frequency flexible graphene transistors

Researchers developed a new process to make flexible transistors from graphene. The new process enable high electron mobility and high frequencies (in the Ghz range). The process uses a graphene in a solution and places it on polyimide substrates:

http://www.graphene-info.com/new-high-frequency-flexible-graphene-transistors-developed

Added by TINC on March 16, 2012 at 8:42am — No Comments


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GraphITA ..the volume is out!

Dear All,

it is our pleasure to announce the issue

of the proceeding volume of GraphITA



sample contents can be downloaded at the following link



http://www.springer.com/materials/nanotechnology/book/978-3-642-20643-6



We deeply thank all the contributors to the volume.



The Editors



Luca Ottaviano & Vittorio Morandi…



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Added by TINC on March 16, 2012 at 7:00am — No Comments


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Shear stiffness and friction mechanics of single-layer graphene measured for the first time

Researchers from the University of Bristol have measured and identified for the first time the stress and strain shear modulus and internal friction of graphene sheets. Graphene is a material that has many potential groundbreaking uses in the electronics and composites industry. The research, in collaboration with the US Office of Naval Research, is published in Nano Letters.…

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Added by TINC on February 23, 2012 at 7:45pm — No Comments

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Welcome! Nanopaprika was cooked up by Hungarian chemistry PhD student in 2007. The main idea was to create something more personal than the other nano networks already on the Internet. Community is open to everyone from post-doctorial researchers and professors to students everywhere.

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Publications by A. Paszternák:

The potential use of cellophane test strips for the quick determination of food colours

pH and CO2 Sensing by Curcumin-Coloured Cellophane Test Strip

Polymeric Honeycombs Decorated by Nickel Nanoparticles

Directed Deposition of Nickel Nanoparticles Using Self-Assembled Organic Template,

Organometallic deposition of ultrasmooth nanoscale Ni film,

Zigzag-shaped nickel nanowires via organometallic template-free route

Surface analytical characterization of passive iron surface modified by alkyl-phosphonic acid layers

Atomic Force Microscopy Studies of Alkyl-Phosphonate SAMs on Mica

Amorphous iron formation due to low energy heavy ion implantation in evaporated 57Fe thin films

Surface modification of passive iron by alkylphosphonic acid layers

Formation and structure of alkylphosphonic acid layers on passive iron

Structure of the nonionic surfactant triethoxy monooctylether C8E3 adsorbed at the free water surface, as seen from surface tension measurements and Monte Carlo simulations