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HKU engineering researchers develop revolutionary diamond fabrication technology
These ultrathin and ultra-flexible diamond membranes are compatible with existing semiconductor manufacturing technologies, and thus can, in principle, be fabricated into a variety of electronic, photonic, mechanical, acoustic, and quantum devices.
The innovative edge-exposed exfoliation method discovered by the team facilitates the rapid production of scalable, free-standing diamond membranes. This approach is superior to traditional methods, which are typically time- and costly and limited in size. Remarkably, the new process can manufacture a two-inch wafer within 10 seconds, offering unmatched efficiency and scalability.
These ultra-flat diamond surfaces, essential for high-precision micromanufacturing, along with the flexibility of the membranes, open up new possibilities for next-generation flexible and wearable electronic and photonic devices. The research team envisions significant industrial applications in electronics, photonics, mechanics, thermics, acoustics, and quantum technologies.
“We hope to promote the usage of the high-figure-of-merit diamond membrane into various fields, and to commercialise this cutting-edge technology and deliver premium diamond membranes, setting a new standard in semiconductor industry. We are eager to collaborate with academic and industry partners to bring this revolutionary product to market and accelerate the arrival of diamond era,” concluded Professor Chu.
Diamonds, renowned globally as valuable gemstones, possess exceptional versatility in various scientific and engineering applications. They are the hardest natural material, boasting unparalleled thermal conductivity at room temperature, extremely high carrier mobility, dielectric breakdown strength, an ultrawide bandgap, and optical transparency spanning from the infrared to the deep-ultraviolet spectrum. These remarkable properties make diamonds ideal for fabricating advanced high-power, high-frequency electronic devices, photonic devices, and heat spreaders to cool high-power density electronic components, such as those in processors, semiconductor lasers, and electric vehicles. However, the inert nature and rigid crystal structure of diamonds pose significant challenges in fabrication and mass production, particularly for ultrathin and freestanding diamond membranes, thereby restricting their widespread usage.
The full paper can be accessed here: https://www.nature.com/articles/s41586-024-08218-x
About Professor Zhiqin Chu
Prof. Zhiqin Chu received his B.S. and Ph.D. degrees in Physics from Northwest University (China) and The Chinese University of Hong Kong, in July 2008 and July 2012, respectively. After spending one year as a postdoctoral fellow in the same group, he conducted postdoctoral research at The University of Stuttgart (Germany) from April 2014 to September 2016. Since November 2018, he has been an Assistant Professor in the Department of Electrical and Electronic Engineering (with a joint appointment in the School of Biomedical Sciences) at The University of Hong Kong, and was promoted to tenured Associate Professor in November 2024. Since joining HKU, Prof. Chu has published over 60 peer-reviewed articles in journals such as Nature, Nature Communications, and Science Advances, and has filed 14 patents related to diamond technology. Prof. Chu has received multiple awards, including the Gold Medal at the 2023 International Invention Innovation Competition in Canada (iCAN), the Top 10 Best Invention Award at the 2023 iCAN, the Silver Medal at the 2022 Inventions Geneva Evaluation Days, and the Gold Medal at the 2024 International Exhibition of Inventions of Geneva.
About Professor Yuan Lin
Prof. Yuan Lin earned his B.S. and M.S. in Engineering Mechanics from Tsinghua University, followed by another M.S. in Applied Mathematics and a Ph.D. in Solid Mechanics from Brown University. He joined The University of Hong Kong in 2008 and is now a full Professor in the Department of Mechanical Engineering. His research on cell/tissue mechanics and mechanics of functional materials led to publications in top journals, including Nature, PNAS, Nature Communications, Science Advances and PRL. Prof. Lin has served as Chair of the Gordon Research Conference on Nano-Mechanical Interfaces and keynote speaker in numerous international conferences. As the PI or Co-PI, he has secured more than 15 research grants. Prof. Lin currently serves as the Secretary for the Hong Kong Society of Theoretical and Applied Mechanics.
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Co-organized by the People’s Daily and Lianhe Zaobao, the two-day event featured 12 young representatives who explored how their generation is shaping the future through innovation, cultural renewal and cross-border collaboration.
In the first panel, “Youth Driving Tech Innovation,” participants working in robotics, flying cars and data verification discussed both the opportunities and challenges of the AI era.
Tan Wei Hua, head of design at Singapore-based LionsBot International, addressed concerns over “AI anxiety” and its impact on jobs. “New jobs are going to be created. The next generation will be doing something entirely different,” he said, pointing to robotics as a growing field of opportunity.
Quah Zheng Wei, CEO and co-founder of Accredify, encouraged aspiring entrepreneurs to take the first step. With the tech industry evolving rapidly, he stressed that “nothing is holding you back.”
From an industry perspective, Michael Du, CFO and vice president of ARIDGE, said emerging technologies are expanding possibilities in everyday life. Meanwhile, Xu Huazhe, assistant professor at the Institute for Interdisciplinary Information Sciences at Tsinghua University, highlighted the strengths of younger generations: “With the correct taste, they will build the most meaningful things.”
The second panel, “Contemporary Renewal of Traditional Culture,” shifted focus from innovation to heritage. Artists and cultural practitioners in wood sculpture, paper art, jewelry design and journalism explored how tradition can be revitalized in modern contexts.
Wood sculpture artist Deng Kun emphasized the importance of cultivating an eye for beauty, while Lianhe Zaobao arts and culture journalist Zhang Heyang described traditional culture as “a place of spiritual haven for today’s youth.”
Designer Longhong Ziwei, founder and art director of the accessory brand Soft Mountains, said engaging with Yi heritage has inspired her work and resonated with international audiences.
Singaporean paper and mixed media artist Koh Pei Li, drawing inspiration from everyday urban life, highlighted the value of noticing overlooked details. Through her work, she hopes to reconnect people with the subtle beauty around them.
In the final panel, “Jointly Building a Sustainable Future,” speakers from architecture, fashion, and marine conservation offered interdisciplinary perspectives on sustainability.
Chen Kan, principal architect of TAB Architecture and Design, spoke about the philosophy of “being-with” as a guiding principle. “We need a deeper capacity to coexist with others,” he said.
Goy Zhenru, principal architect of Goy Architects in Singapore, emphasized designing in harmony with nature. She highlighted the importance of connecting living spaces with natural elements such as breeze and sunlight to create comfort and environmental awareness.
Sam Shu Qin, co-founder of Our Singapore Reefs and Our Blue Spaces, who describes herself as “a gardener underwater,” expressed hope that younger generations will recognize their ability to give back to the ocean.
For fashion designer Chen Peng, founder of brand CHENPENG, sustainability is both cultural and practical. “It should be culture-based and do no harm to the earth. It’s not a choice, but a natural extension of philosophy,” he said.
The dialogue marked a step forward in media cooperation and people-to-people exchanges between China and Singapore. By amplifying youth perspectives, it showcased the innovative energy and collaborative potential of both countries, while helping to build a long-term platform for bilateral engagement and shared progress.
The issuer is solely responsible for the content of this announcement.
Co-organized by the People’s Daily and Lianhe Zaobao, the two-day event featured 12 young representatives who explored how their generation is shaping the future through innovation, cultural renewal and cross-border collaboration.
In the first panel, “Youth Driving Tech Innovation,” participants working in robotics, flying cars and data verification discussed both the opportunities and challenges of the AI era.
Tan Wei Hua, head of design at Singapore-based LionsBot International, addressed concerns over “AI anxiety” and its impact on jobs. “New jobs are going to be created. The next generation will be doing something entirely different,” he said, pointing to robotics as a growing field of opportunity.
Quah Zheng Wei, CEO and co-founder of Accredify, encouraged aspiring entrepreneurs to take the first step. With the tech industry evolving rapidly, he stressed that “nothing is holding you back.”
From an industry perspective, Michael Du, CFO and vice president of ARIDGE, said emerging technologies are expanding possibilities in everyday life. Meanwhile, Xu Huazhe, assistant professor at the Institute for Interdisciplinary Information Sciences at Tsinghua University, highlighted the strengths of younger generations: “With the correct taste, they will build the most meaningful things.”
The second panel, “Contemporary Renewal of Traditional Culture,” shifted focus from innovation to heritage. Artists and cultural practitioners in wood sculpture, paper art, jewelry design and journalism explored how tradition can be revitalized in modern contexts.
Wood sculpture artist Deng Kun emphasized the importance of cultivating an eye for beauty, while Lianhe Zaobao arts and culture journalist Zhang Heyang described traditional culture as “a place of spiritual haven for today’s youth.”
Designer Longhong Ziwei, founder and art director of the accessory brand Soft Mountains, said engaging with Yi heritage has inspired her work and resonated with international audiences.
Singaporean paper and mixed media artist Koh Pei Li, drawing inspiration from everyday urban life, highlighted the value of noticing overlooked details. Through her work, she hopes to reconnect people with the subtle beauty around them.
In the final panel, “Jointly Building a Sustainable Future,” speakers from architecture, fashion, and marine conservation offered interdisciplinary perspectives on sustainability.
Chen Kan, principal architect of TAB Architecture and Design, spoke about the philosophy of “being-with” as a guiding principle. “We need a deeper capacity to coexist with others,” he said.
Goy Zhenru, principal architect of Goy Architects in Singapore, emphasized designing in harmony with nature. She highlighted the importance of connecting living spaces with natural elements such as breeze and sunlight to create comfort and environmental awareness.
Sam Shu Qin, co-founder of Our Singapore Reefs and Our Blue Spaces, who describes herself as “a gardener underwater,” expressed hope that younger generations will recognize their ability to give back to the ocean.
For fashion designer Chen Peng, founder of brand CHENPENG, sustainability is both cultural and practical. “It should be culture-based and do no harm to the earth. It’s not a choice, but a natural extension of philosophy,” he said.
The dialogue marked a step forward in media cooperation and people-to-people exchanges between China and Singapore. By amplifying youth perspectives, it showcased the innovative energy and collaborative potential of both countries, while helping to build a long-term platform for bilateral engagement and shared progress.
The issuer is solely responsible for the content of this announcement.
Expansion strengthens access to fast, reliable device repair services across Jurong, Yishun, Tampines and Chinatown as demand for urgent technical support rises
What often begins as a minor inconvenience can quickly escalate. A phone may take longer to charge, a screen may flicker briefly before stabilising, or a laptop may run hotter than usual during routine use. These early signs are often ignored until the device stops functioning at a critical moment.
Hashtag: #CitriMobile #SingaporeRepair #Jurong #Yishun
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C3 Smart Repair By Citri Mobile
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