Phonon Coupling - Electrons in CdSe, CdS Cores, and Shell Quantum Dots
Xu Chenyuan's StudyEditor | Xu Chenyuan's StudyWe found that peak CdS frequency affects excitationStrong dependence on energyBetween the experimental frequency of the CdSe+CdS combination band and the sum of the corresponding fundamental frequencyThere is still a huge differenceThis indicates that the main transition at high excitation energy is limited to the CdSe core or CdS shell, and therefore cannot enhance the binding band transition between the core and shellThe Raman intensity ratio of CdS to CdSe further supports this viewpoint. The Phonon of CdSeLO in the Lowest Exciton TransitionElectron phonon coupling is slightly weaker in core/shell structures than in pure CdSe quantum dotsThis is contrary to the expectation of the Frehlich coupling mechanism...
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Ranking of users of various mobile operating systems: iOS 1.7 billion>MIUI 600 million>Hongmeng 320 million
On May 24th, Xiaomi officially released its first quarter financial report for 2023. Data shows that in the first quarter of this year, Xiaomi's revenue was 59...
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WeChat empty handed payment function is online! Are you still scanning the code on your phone?
Have you ever had the experience of forgetting to bring your phone or running out of battery when you go out, and wanting to make a payment but unable to do anything about it? Have you ever had such concerns about whether Facebook payments will leak your privacy or be stolen? Have you ever had the idea that it would be so convenient to make a payment with the palm of your hand!If you have any of the above situations, then I have a good news to tell you: WeChat empty handed payment function has officially been launched!What is the WeChat empty handed payment function? Simply put, it means that users can perform palm swiping operations on the face swiping device without the need to scan codes or swipe cards to complete payment.This feature is safer and more accurate than facial payment, as it reads the veins of the palm blood vessels rather than the epidermal veins...
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How can ordinary people prevent high-tech fraud?
Nowadays, with the rapid development of technology and the infiltration of artificial intelligence and AI technology into our lives, how can people prevent high-tech fraud incidents?Ensuring personal privacy and security is one of the important measures to prevent high-tech fraud incidents.1...
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As of now, a total of 13 phones equipped with 1TB of ultra large storage in 2023 have been inventoried
1 Galaxy S23 Ultra84nmCPU3.36GHz1+4+36...
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The first beautiful robot in China, with a humanoid appearance and lifelike features throughout the body
Guys! I am delighted to introduce to you today the first beautiful robot made in our country! This robot is so realistic that you might even think it's a real human!(The mini program has been added here, please go to Today's Headlines client to view it)Our robot team comes from the University of Science and Technology of China, and they spent a lot of time and effort to develop this female robot called Jiajia.Jiajia has a perfect appearance, thanks to her designers' research and development based on Chinese aesthetic standards...
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Dropped from 3299 to 1939, Kirin 990+30x zoom+Hongmeng system, Huawei 5G phones sold at a low price
Due to the sanctions imposed on Huawei, the release of 5G phones has stagnated, with only 4G phones being released. The Mate50 series, P60 series, and Nova11 series are all 4G phones, and their core technology is in the hands of others, which can only be controlled everywhere...
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40 million units! Meng Wanzhou Officially Announces, Foreign Media: Huawei's Day Has Been Dawn
Jay Chou - Fireworks Easy to Cold_ 202319171455.mp34:22From the Science and Technology New Knowledge MuseumThis article is original, please do not plagiarize or move, violators will be held accountableIn the perception of many consumers and mobile phone manufacturers, smartphones are no longer sellable...
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How can intelligent customer service avoid "intellectual disabilities"
How can intelligent customer service avoid "intellectual disabilities"Xue Jing, Commentator of Weifang Rong MediaAccording to the Overseas Edition of People's Daily, the presence of intelligent customer service can be seen everywhere in many consumer scenarios such as online shopping returns and exchanges, mobile phone package exchanges, ticket refunds and changes, and bank transactions. Online instant response provides consumers with certain convenience, but at the same time, the situation of intelligent customer service being "unintelligent", such as answering questions incorrectly or repeatedly, and difficulty in switching to manual customer service, has been criticized by consumers...
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360 Outdoor Ball Machine 6Pro Short Test
As a leader in the domestic security field, 360 has been deeply involved in various fronts of security products and leading the trend of various products. The surveillance market, which has a large market share, has always had pain points of strong professionalism, high costs, and high construction difficulty, making some small places with a strong demand for video surveillance very awkward...
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Pinch memory! Collage images! Is the phone so rolled up? What new tricks can domestic manufacturers come up with?
The sensor area of the mobile phone has reached one inch, and the ground mounted wired fast charging has also reached 240W. In addition to the constantly mature folding screen technology and the second generation Snapdragon 8, which has exploded in toothpaste this year, the excellent software and hardware strength not only brings a smoother user experience, but also reduces the reason for users to switch devices...
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618: Buying a mobile phone is not enough, and these three models are preferred for smooth use. They have strong performance and are not stuck after 6 years of use
Telling Five People - Missing Lovers.mp34:52From Zhijun Digital FrontierWith the progress of science and technology over the years, the pace of smart phone upgrading can be said to be faster and faster...
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