EurekAlert! Chinese Academy of Sciences

Updates every hour. Last Updated: 1-Jan-2026 20:11 ET (2-Jan-2026 01:11 GMT/UTC)

1-Jan-2026

EAST Tokamak experiments exceed plasma density limit, offering new approach to fusion ignition

Chinese Academy of Sciences Headquarters
Peer-Reviewed Publication

Researchers working on China's fully superconducting Experimental Advanced Superconducting Tokamak (EAST) have experimentally accessed a theorized "density-free regime" for fusion plasmas, achieving stable operation at densities well beyond conventional limits.

Journal: Science Advances

31-Dec-2025

3D imaging unveils how passivation improves perovskite solar cell performance

Chinese Academy of Sciences Headquarters
Peer-Reviewed Publication

Researchers at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS) have made an important breakthrough by developing a three-dimensional (3D) electrical imaging technique that directly reveals how defect passivation treatments work in perovskite films.

Journal: Newton

26-Dec-2025

Progress persists for low-baseline SDGs, while high-baseline goals stagnate or reverse

Chinese Academy of Sciences Headquarters
Peer-Reviewed Publication

With only five years until the 2030 deadline for achieving the U.N. Sustainable Development Goals (SDGs), a new international study reveals uneven progress in achieving the goals since their adoption in 2015. The paper, recently published in Proceedings of the National Academy of Sciences (PNAS), reveals that global progress on numerous SDGs with high initial benchmarks has either stalled or gone into reverse. In contrast, SDG indicators with lower baseline performance continue to register gains. Researchers caution that the vast majority of countries will fail to meet their 2030 SDG targets under current trends.

Journal: Proceedings of the National Academy of Sciences

News from CAS Institutes

Updates every hour. Last Updated: 1-Jan-2026 20:11 ET (2-Jan-2026 01:11 GMT/UTC)

31-Dec-2025

Enriching framework Al sites in 8-membered rings of Cu-SSZ-39 zeolite to enhance low-temperature ammonia selective catalytic reduction performance

Dalian Institute of Chemical Physics, Chinese Academy Sciences
Peer-Reviewed Publication

A new potassium-containing copper-zeolite catalyst, Cu-SSZ-39-K, enables major progress in low-temperature diesel NO_xemission control. Its higher fraction of Al in 8-memberedringspromotes the formation of more active [Cu(OH)]⁺-Z species, nearly doubling NO_x conversion at 150-225°C compared with conventional Cu-SSZ-39. The catalyst also maintains highly stable and excellent performance after 800°C hydrothermal ageing.With its enhanced activity and high-yield synthesis, Cu-SSZ-39-K offers a scalable route to cleaner diesel emissions.

Journal: Chinese Journal of Catalysis

31-Dec-2025

Transfer printing techniques and their applications in photonic integrated circuits

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS
Peer-Reviewed Publication

Recently, a research team led by Academician Lijun Wang at CIOMP under UCAS has systematically reviewed the latest advancements in transfer printing (TP) technology. The team detailed its practical applications in integrating III-V semiconductor devices into photonic integrated circuits (PIC), demonstrating its significant potential for developing high-performance, high-reliability PICs. Their work provides crucial theoretical guidance for improving transfer yield and precision, while also offering forward-looking insights into current technical challenges and future development directions for this technology.

Journal: Light Science & Applications
Funder: National Key R & D Program of China, Outstanding Scientific and Technological Talents Project of Jilin Province, National Natural Science Foundation of China, Science and Technology Development Project of Jilin Province, Major Science and Technology Special Project of Jilin Province and Changchun City, Dawn Talent Training Program of CIOMP

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EAST Tokamak experiments exceed plasma density limit, offering new approach to fusion ignition

3D imaging unveils how passivation improves perovskite solar cell performance

Progress persists for low-baseline SDGs, while high-baseline goals stagnate or reverse

News from CAS Institutes

Enriching framework Al sites in 8-membered rings of Cu-SSZ-39 zeolite to enhance low-temperature ammonia selective catalytic reduction performance

Transfer printing techniques and their applications in photonic integrated circuits

V-band ultra-fast tunable thin film lithium niobate Fourier-domain mode-locked optoelectronic oscillator