Chips based on Seignette-electrics (ferroelectrics) will retain recorded information for centuries, this being done without any power replenishment. Devices based on these wonderful materials’ thin films will help to track the route of an animal or a bird during its overall life span, to control the valuable freight travel and to find the lost or stolen stuff, even if more than a year elapsed since the time of a loss. The information on the St. Petersburg researchers’ development is available in the Internet – in the section of advanced research of the International Science and Technology Center database.
Neither paper nor leather but clay tablets with stroke symbols and pictures drawn on them have preserved for descendants biographies of tzars of the past and lovers’ notes of the same period. Probably in the future, the long-term repositories will be also based on ceramics layers. Certainly, these will be very thin layers and very special ceramics. The materials are called Seignette-electrics (ferroelectrics) following I.V. Kurchatov’s example – it is him who invented this name in honour of a French pharmaceutical chemist E.Seignette, who was the first to pay attention to unusual properties of one of the tartaric acid salts.
The point is that Seignette-electrics’ crystals consist of domains with different directions of polarization – as if a multitude of crystalline aciculae in the shape of a figure formed by two pyramids whose foundations are put together. And low-level cells of the crystals, of which the domains consist, are slightly asymmetrical – in some low-level cells their, figuratively speaking, ‘centre of electric gravity’ is shifted towards one side, and in other cells – towards the opposite side.
Sergey Komarov | alfa
Electrons use the zebra crossing
17.12.2018 | Universität Stuttgart
Data storage using individual molecules
17.12.2018 | Universität Basel
Researchers from the University of Basel have reported a new method that allows the physical state of just a few atoms or molecules within a network to be controlled. It is based on the spontaneous self-organization of molecules into extensive networks with pores about one nanometer in size. In the journal ‘small’, the physicists reported on their investigations, which could be of particular importance for the development of new storage devices.
Around the world, researchers are attempting to shrink data storage devices to achieve as large a storage capacity in as small a space as possible. In almost...
The more objects we make "smart," from watches to entire buildings, the greater the need for these devices to store and retrieve massive amounts of data quickly without consuming too much power.
Millions of new memory cells could be part of a computer chip and provide that speed and energy savings, thanks to the discovery of a previously unobserved...
What if, instead of turning up the thermostat, you could warm up with high-tech, flexible patches sewn into your clothes - while significantly reducing your...
A widely used diabetes medication combined with an antihypertensive drug specifically inhibits tumor growth – this was discovered by researchers from the University of Basel’s Biozentrum two years ago. In a follow-up study, recently published in “Cell Reports”, the scientists report that this drug cocktail induces cancer cell death by switching off their energy supply.
The widely used anti-diabetes drug metformin not only reduces blood sugar but also has an anti-cancer effect. However, the metformin dose commonly used in the...
A research team from the University of Zurich has developed a new drone that can retract its propeller arms in flight and make itself small to fit through narrow gaps and holes. This is particularly useful when searching for victims of natural disasters.
Inspecting a damaged building after an earthquake or during a fire is exactly the kind of job that human rescuers would like drones to do for them. A flying...
12.12.2018 | Event News
10.12.2018 | Event News
06.12.2018 | Event News
17.12.2018 | Studies and Analyses
17.12.2018 | Life Sciences
17.12.2018 | Power and Electrical Engineering