USP Researcher Develops Innovative Computer Memory Using Graphene

Written by Valdemar Medeiros

Published on 01/02/2023 at 12:48

Foto: USP/Divulgação

Seja o primeiro a reagir!

The Researcher Marina Sparvoli Developed a Computer Memory That Could Revolutionize the Technology Market. The New Discovery Uses Graphene and Offers Several Benefits.

A researcher from the University of São Paulo (USP) developed an innovative technique for producing memristors, essential electronic components for neuromorphic computing, which mimics the brain, and for computers that do not lose data during power outages. Marina Sparvoli and her colleagues at USP developed a computer memory mechanism based on memristors using materials never before combined for this purpose, creating a Resistive Memory (ReRAM) using graphene.

Researcher Uses Graphene in Computer Memory

The new memristor architecture consists of a layer of graphene deposited between indium tin oxynitride (ITON) contacts, wrapped in an aluminum casing.

The energy passes through the component generating an electromagnetic field, depending on the voltage, a filament forms or does not form that acts on the resistive switching phenomenon, that is, the component changes between a low resistance behavior to electric current and a high resistance one.

ARTICLE CONTINUES BELOW

Advantage of Resistive Memory with Graphene

Although its theory first emerged in the 1970s by Filipino Leon Ong Chua, resistive memories only began to be tested in 2008, with the practical confirmation of the operation of this fourth essential electronic component, the memristor.

The great benefit of this new technology from the USP researcher is that, unlike current electronic memories, the information contained in resistive memories does not disappear when the device is turned off. However, despite intense research efforts in the field, there are still no computers with this type of technology.

When you turn on a regular computer, the operating system, which can be Windows, Linux, or MAC OS, is copied from the permanent storage device, which is slower, to the RAM, which is much faster.

This process is time-consuming; however, with the use of ReRAM memories, it could be bypassed. Additionally, memristors are tiny, with only a few hundred atoms thick, and can act like biological neural connections. They are a type of artificial neuron, capable of mimicking synapses.

Understand How the New Graphene Computer Memory Works

This type of memory developed by the USP researcher operates with high and low resistance states that correspond to the binary code of machine language, 0 and 1. In regular computers, this writing is represented not by resistance but by low, high (V) and off (0) or on (1) voltages.

The filaments of the memristors whose resistance changes are in the nanometer scale, promising an infinite amount of information stored in a tiny storage space.

According to a head of the USP laboratory, Professor José Chubaci, this is a project at the frontier of global knowledge, which could be used in the international market in 10, 15, or 20 years. Marina managed to generate resistive memories using graphene with ITON, indium-tin oxide doped with nitrogen, expanding the research space in the field.

Source: Jornal da USP

USP Researcher Develops Innovative Computer Memory Using Graphene

The Researcher Marina Sparvoli Developed a Computer Memory That Could Revolutionize the Technology Market. The New Discovery Uses Graphene and Offers Several Benefits.

Researcher Uses Graphene in Computer Memory

Advantage of Resistive Memory with Graphene

Understand How the New Graphene Computer Memory Works

Is a smart plug worth it in a regular home? What does it offer: turns on and off via smartphone, creates routines by schedule, prevents forgotten devices, sometimes monitors consumption, and improves habits without renovation or miracles.

Geographers redefine the Brazilian relief and confirm the presence of mountains in 14 states with a new system that changes historical criteria and alters the way the territory is classified.

There is a city in China right next to Hong Kong where people speak Portuguese, the streets have names in Portuguese, and the architecture looks like it came straight out of a historic city in Brazil.

At over 8,800 meters above sea level, the summit of Mount Everest is made up of rocks that originated at the bottom of an ocean about 500 million years ago and were pushed to the highest point on Earth by the collision of tectonic plates.

Milei’s government launches surprise police operations on the streets of Argentina to hunt undocumented immigrants, but the government’s own data reveals that only 4% were irregular. Critics say it is a copy of Trump’s policy without real necessity.

Mexico surprises the world by building the future largest solar plant in Latin America, advancing with planned expansion to over 1 GW, and boosting solar energy in the country.

Milei’s government launches surprise police operations on the streets of Argentina to hunt undocumented immigrants, but the government’s own data reveals that only 4% were irregular. Critics say it is a copy of Trump’s policy without real necessity.

Indonesia is the largest producer of tropical seaweed in the world, and this market is already worth billions of dollars, but 90% of the production goes directly to China as raw material. Now the country wants to change the game and process everything on its own.

Scientists use artificial intelligence to create nearly indestructible steel that does not rust and could change the way industrial energy and oil parts are produced.

This extremely contagious virus has already affected 90% of the population of Brazil and has no cure.

Electrolux surprises, closes colossal factory and lays off 400 people in a mass dismissal that will have a direct effect later this year, following a cost review, with an impact of R$ 272.5 million and R$ 109 million in cash in Chile.

USP Researcher Develops Innovative Computer Memory Using Graphene

The Researcher Marina Sparvoli Developed a Computer Memory That Could Revolutionize the Technology Market. The New Discovery Uses Graphene and Offers Several Benefits.

Researcher Uses Graphene in Computer Memory

Advantage of Resistive Memory with Graphene

Understand How the New Graphene Computer Memory Works

Is a smart plug worth it in a regular home? What does it offer: turns on and off via smartphone, creates routines by schedule, prevents forgotten devices, sometimes monitors consumption, and improves habits without renovation or miracles.

Geographers redefine the Brazilian relief and confirm the presence of mountains in 14 states with a new system that changes historical criteria and alters the way the territory is classified.

There is a city in China right next to Hong Kong where people speak Portuguese, the streets have names in Portuguese, and the architecture looks like it came straight out of a historic city in Brazil.

At over 8,800 meters above sea level, the summit of Mount Everest is made up of rocks that originated at the bottom of an ocean about 500 million years ago and were pushed to the highest point on Earth by the collision of tectonic plates.

Milei’s government launches surprise police operations on the streets of Argentina to hunt undocumented immigrants, but the government’s own data reveals that only 4% were irregular. Critics say it is a copy of Trump’s policy without real necessity.

Mexico surprises the world by building the future largest solar plant in Latin America, advancing with planned expansion to over 1 GW, and boosting solar energy in the country.

Scientists use artificial intelligence to create nearly indestructible steel that does not rust and could change the way industrial energy and oil parts are produced.

Instead of buying new electric trucks, India is removing the diesel engines from old vehicles and installing electric propulsion for 40% of the price, and this simple idea could be the solution that polluted megacities around the world have been waiting for.

Circles in the Sahara plantations: ISS reveals Sharq El Owainat, in Egypt, irrigated by a center pivot with water from the Nubian Sandstone Aquifer, growing between 1998 and 2019, 290 km from the nearest city.

40% still call it a fraud: Soviets monitored Apollo, mirrors on the Moon still return lasers today and rocks confirm it; in 2026, 4 astronauts will return to lunar orbit and the race restarts against China.

New list shows over 50 cell phones compatible with Starlink without an antenna: direct connection to satellites in low orbit, coverage in areas without signal, initial support for SMS and emergencies, and forecast for global mobile internet.

Milei’s government launches surprise police operations on the streets of Argentina to hunt undocumented immigrants, but the government’s own data reveals that only 4% were irregular. Critics say it is a copy of Trump’s policy without real necessity.

Indonesia is the largest producer of tropical seaweed in the world, and this market is already worth billions of dollars, but 90% of the production goes directly to China as raw material. Now the country wants to change the game and process everything on its own.

Scientists use artificial intelligence to create nearly indestructible steel that does not rust and could change the way industrial energy and oil parts are produced.

This extremely contagious virus has already affected 90% of the population of Brazil and has no cure.

Electrolux surprises, closes colossal factory and lays off 400 people in a mass dismissal that will have a direct effect later this year, following a cost review, with an impact of R$ 272.5 million and R$ 109 million in cash in Chile.