Gadgets
Indian scientists claim major advance in spin wave technology

By Namrata Dave
Spin wave devices are promising alternatives to semiconductors for processing digital information in devices.
Mumbai: It is becoming increasingly challenging to keep up with technological demands of efficiency, miniaturization, and high speed in electronic devices using conventional semiconductor technology. Spin wave devices, with their ultralow power requirements, are promising alternatives to semiconductors for processing digital information in devices.
A group of researchers has claimed a new advance that can help achieve spin wave-based devices in future.
Magnons are to spin wave devices what electrons are to semiconductor devices—they are capable of carrying “spin” currents through a device, wherein information is coded into the amplitude/phase of a spin. By taking advantage of the intrinsic magnetic properties of the constituents of a magnetic conduit, which is responsible for transmitting information and is thus one of the key components of a spin wave device, researchers have customized architecture of the conduit and eliminated the need for an external magnetic field.
The practical realization of spin wave devices has remained elusive due to the requirement of a large external magnetic field in order obtain desired magnetizations in magnetic conduits. All magnetic materials contain magnetic moments which are directed towards their “easy axis” and an external field is used to force magnetization out of their easy axis for device operation. Such an external magnetic field can affect the ability of spin wave based technologies for device integration.
The proposed uniquely designed magnetic conduit has a layer each of cobalt, palladium, and Permalloy. Permalloy is a magnetic alloy with characteristics highly suited for its use as a magnetic material in magneto-electronic devices. However, it possesses an in-plane magnetization. Cobalt/Palladium, on the other hand, possess an out-of-plane magnetization. Hence the incorporation of out-of-plane Cobalt/Palladium layers induces an out-of-plane magnetization in Permalloy as well. This magnetic conduit architecture enables spin waves to transmit information in all directions – isotropically—an essential feature for seamless transmission of digital information in electronic devices.
“Spin wave devices need to function like semiconductor devices. It is important to design a device that ably fulfils the requirements of the application. An external out-of-plane magnetic field may affect the functionality of the device. Our work overcomes one of several limitations that impede commercial realization of spin wave devices,” explained Dr Arabinda Haldar, the first author of the study, and assistant professor at Indian Institute of Technology, Hyderabad.
“Parallel research efforts are underway in labs across the world to identify and resolve challenges associated with the implementation of spin wave devices,” he added.
This study was led by Prof Adekunle Adeyeye from National University of Singapore, and has been published in journal Science Advances.
(This article is from a syndicated feed provided by the India Science Wire)
Gadgets
OnePlus to launch Nord CE 3 in India, specs and price leaked ahead of global debut
OnePlus may soon expand its affordable smartphone series Nord CE. It is being claimed that the company is going to launch the new OnePlus Nord CE 3 in July this year. As per the leaks, the OnePlus Nord CE 3 will be introduced as a successor to the OnePlus Nord CE 2.

OnePlus may soon expand its affordable smartphone series Nord CE. It is being claimed that the company is going to launch the new OnePlus Nord CE 3 in July this year. As per the leaks, the OnePlus Nord CE 3 will be introduced as a successor to the OnePlus Nord CE 2. The information about the phone has also been revealed ahead of its official debut on many digital platforms. However, the company has not yet given any information regarding the same as yet.
According to a report by My Smart Price, the OnePlus Nord CE 3 is expected to launch in July alongside of OnePlus Nord 3. The tipster also has claimed about the specification of the phone as well. Scroll down to know more about the smartphone.
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According to tipster Steve Hemmerstoffer (@OnLeaks), the OnePlus CE 3 will come with a display with 120Hz refresh rate, under which the user will be able to have a high definition display quality while playing videos. The handset is also likely to feature a 6.72 inch Full HD Plus AMOLED display. Earlier it was being said that this phone will be introduced with an IPS LCD screen. However, the confirmation is still awaited.
Leaks also suggested that the OnePlus Nord CE 3 is expected to be powered by the octa-core Snapdragon 782G processor coupled with up to 12GB of RAM and up to 256GB of inbuilt storage. The upcoming OnePlus Nord CE 3 could be equipped with three rear cameras. The phone can get a 50-megapixel Sony IMX890 primary sensor, an 8-megapixel ultra-wide-angle lens, and a 2-megapixel macro lens. The phone is expected to get a 16-megapixel sensor for selfie and video calls.
The handset is said to have an in-display fingerprint sensor, a 5000mAh battery with 80W fast charging support, dual-band Wi-Fi, 5G, 4G LTE, Bluetooth and a USB Type-C port.
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Gadgets
Vivo launches color-changing back panel smartphone V27 Pro in India, check price and specs
The Chinese smartphone manufacturer Vivo has launched its awaited color-changing back panel smartphone V27 Pro in India, along with the lower variant V27. Interested customers can purchase the handset in magic blue and noble black color

The Chinese smartphone manufacturer Vivo has launched its awaited color-changing back panel smartphone V27 Pro in India, along with the lower variant V27. Interested customers can purchase the handset in magic blue and noble black color. Pre-booking of Vivo V27 Pro has started and sales will be from March 6. The sale of Vivo V27 will start from 23 March.
As per the official details, the handset is the upgraded version of the Vivo V25 series, which was launched last year. The company has introduced the Vivo V27 Series with Android 13-based Funtouch OS 13 and MediaTek processor, under which customers will be able to access heavy applications without and lag.
Know everything about the Vivo’s Vivo V27 and V27 Pro
As per the photos shared by the company, Vivo V27 Pro and Vivo V27 come with a 3D curved screen with a refresh rate of 120Hz that offers users to have a high-definition screen experience while playing any video. It comes with a glass panel that changes color whenever some light or sun rays strike it. Both Vivo V27 Pro and Vivo V27 phones have three rear cameras, and features. The Vivo V27 Pro has a MediaTek Dimensity 8200 processor, while Vivo V27 has Dimensity 7200 5G processor. Both the chipset have been considered the advance chipset in the Indian market.
Price of Vivo’s V27 and V27 Pro
The price of 128 GB storage with 8 GB RAM of Vivo V27 Pro is Rs 37,999. At the same time, the price of 256 GB storage with 8 GB RAM has been kept at Rs 39,999. The 256 GB storage variant with the phone’s 12 GB RAM is priced at Rs 42,999. The price of 128 GB storage with 8 GB RAM of Vivo V27 has been priced at Rs 32,999 and 256 GB storage with 12 GB RAM has been priced at Rs 36,999.
Gadgets
Samsung set to launch Galaxy S23 FE, design and specs leaked ahead of official launch

The leading smartphone manufacturer Samsung recently launched the Galaxy S23 series in India, since then, the handsets became the talk of the time. Now the company is all set to attract more customers as it has decided to launch an affordable variant of Samsung Galaxy S23 FE in the country.
Ahead of the official launch, many information such as specs, design leaked on digital platforms, claiming the handset might come with the latest processor with a 120 Hz AMOLE display that will allow users to have a high-definition experience while playing videos or using the phone. As per the leaks, the phone could be equipped with a flagship chipset launched by Qualcomm last year. However, the South Korean tech giant hasn’t revealed anything regarding the same as of now. Not even the price and launch date.
Once launched, interested customers can purchase the smartphone from the company’s authorized store. If one wants it at an additional discount, they can purchase the phone from the e-commerce giant Amazon or Flipkart.
Know everything about Samsung Galaxy S21 FE
Tipster Connor (@OreXda) claims that the Samsung Galaxy S23 FE will be powered by the Snapdragon 8+ Gen 1 processor. It is the second most powerful chipset from Qualcomm after Snapdragon 8 Gen 2. A lot of flagship phones of this year shared the with same Snapdragon 8 Gen 1 such as OnePlus 11R, Xiaomi 12S Ultra, Asus Zenfone 9, Samsung Galaxy Z Flip 4, and Oppo Find N2 among others.
It said that the upcoming Samsung Galaxy S21 FE might replace the company’s feature-loaded smartphone Galaxy A74. It is expected that the company likely to launch the S21 FE at a similar price as A74.
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