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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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5G Smartphones Priced Around $150 To Be Unveiled By End of This Year: Huawei President

An estimated 5 million 5G capable smartphones were sold in December 2019 alone

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Additionally, Chinese local research agencies suggested that 20 per cent of all mid range smartphones will support 5G, thanks to the expansion of the network in the country. Pixabay

Chinese smartphone manufacturer Huawei’s President for 5G product line, Yang Chaobin believes that 5G smartphones priced around $150 are expected to be launched by the end of 2020 or in early 2021.

Huawei, along with its sub-brand Honor, has launched a number of 5G smartphones in 2019, including Mate 30 5G series, Mate 20 X 5G, Mate X 5G, Nova 6 5G, Honor V30 series, among others, news portal GizmoChina reported on Friday.

Recently, the company announced that it has shipped 6.9 million units of 5G smartphones as of December 2019, in addition to offering end-to-end 5G solutions. Additionally, Chinese local research agencies suggested that 20 per cent of all mid range smartphones will support 5G, thanks to the expansion of the network in the country.

An estimated 5 million 5G capable smartphones were sold in December 2019 alone. It is expected that more than 20 per cent of the smartphones under $290 will be 5G-enabled this year.

By 2021, the same statistics are expected to be applicable across the globe. Xiaomi co-founder Lei Jun recently announced the company is planning to pump $7 billion in 5G, AI and IoT over the next five years.

Earlier, Lei had also revealed that the company is planning to release more than 10 5G phones this year. US-based investment banking and financial service company Goldman Sachs has also forecasted a hefty 200 million 5G smartphone shipments globally this year.

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Chinese smartphone manufacturer Huawei’s President for 5G product line, Yang Chaobin believes that 5G smartphones priced around $150 are expected to be launched by the end of 2020 or in early 2021. Wikimedia Commons

The new predicted value is about 20 times more than the sales figure of 2019.

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According to the estimates, there will be about 1 million new 5G base stations in China this year. This is higher than the original 600,000 prediction by Goldman Sachs. (IANS)