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Breakthrough in nanoscience: Indian origin scientist creates first single molecule device

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By NewsGram Staff Writer

Under the direction of Latha Venkataraman, an Indian- American scientist, a team of Columbia Engineering has created a single-molecule electronic device. This team is the first to develop a single-molecule diode that may have real-world technological applications for nanoscale devices. Their paper, ‘Single-Molecule Diodes with High On-Off Ratios through Environmental Control’ was published on May 25 in Nature Nanotechnology.

“Our new device represents the ultimate in functional miniaturization that can be achieved for an electronic device,” said Venkataraman as reported by IANS.

“Constructing a device where the active elements are only a single molecule has long been a tantalizing dream in nanoscience”, she added.

The idea of creating a single-molecule diode was suggested by Arieh Aviram and Mark Ratner who theorized in 1974 that a molecule could act as a rectifier, a one-way conductor of electric current. Since then the researchers have been exploring the charge-transport properties of molecules.

As per the report Venkataraman and her team are now working on understanding the fundamental physics behind their discovery and trying to increase the rectification ratios they observed, using new molecular systems.

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Samsung Launches Galaxy S4 Tab

Samsung also announced several offers for those who want to buy the flagship tablet.

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Samsung India set to launch Galaxy Tab S4 this week for Rs 60,000. Flickr

Samsung on Thursday launched in India its flagship tablet, Galaxy Tab S4, a new two-in-one Android tablet that comes equipped with Samsung Dex and S Pen for Rs 57,900.

Galaxy Tab S4 sports narrower bezels to fit a 10.5-inch display with Super AMOLED technology, as well as a 16:10 screen ratio.

Powered by a 7,300mAh battery, Galaxy Tab S4 also comes with four speakers tuned by AKG and Dolby Atmos immersive sound technology.

 

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The redesigned S Pen offers an authentic handwriting experience – suitable for drawing, taking notes, and messaging.

 

“Paired with Samsung Dex and S Pen, Galaxy Tab S4 is designed for those who need something portable like a tablet yet capable like a PC,” Aditya Babbar, General Manager, Mobile Business, Samsung India, told reporters here.

Samsung DeX optimises the user experience for work situations and gives what they want from a PC experience — a big screen, a full-size keyboard and a mouse.

In Standalone mode, one can enjoy a PC-like interface even without a monitor or the “Book Cover” Keyboard, Samsung India said.

In Dual mode, users can connect the tablet to a bigger monitor with an HDMI adapter.

The redesigned S Pen offers an authentic handwriting experience – suitable for drawing, taking notes, and messaging.

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Powered by a 7,300mAh battery, Galaxy Tab S4 also comes with four speakers tuned by AKG and Dolby Atmos immersive sound technology.

Galaxy Tab S4 will be available from Thursday onwards in black and grey colours on Samsung Online Shop and leading offline retail stores, the South Korean tech giant said, adding that it will also be available on Amazon from October 20 onwards.

Samsung also announced several offers for those who want to buy the flagship tablet.

Those with HDFC Bank credit cards will be able to avail an introductory offer that lets consumers get Rs 5,000 cashback on purchase of Galaxy Tab S4.

Also Read: Honor 8X Launches In India

Moreover, Galaxy Tab S4 customers on Jio 4G, would be entitled to get instant cashback of Rs 2,750 on recharging with Rs 198 or Rs 299 plan.

They would also get double data benefits on every recharge for the next four recharges, Samsung India said. (IANS)

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