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POSTECH Students Receive SPIE Scholarship for 4 Consecutive Years
POSTECH Students Receive SPIE Scholarship for 4 Consecutive Years

[Two students – Jaehyuck Jang from the Department of Chemical Engineering and Tr..

2022-06-15
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POSTECH News

20th Anniversary Ceremony

POSTECH celebrated its 20th Anniversary on December 3rd, 2006.On December 3rd, 1986 established as Korea’s first research-oriented science and technology university, POSTECH began its journey to become one of the world’s leading research-oriented universities.After a short history of only 12 years, POSTECH topped the list of Asia’s leading science and technology universities by Hong Kong based Asiaweek in 1998 and the Times Higher Education Supplement ranked POSTECH 25th (3rd in Asia) in citations per faculty.The main driving force of POSTECH’s rise to the top was the f..

2009-08-241,247
POSTECH News

World’s fastest nano-transistor developed

30-nano class Gallium Arsenide (GaAs) nano-transistor: comparative advantages in its performanceEasy manufacturing process: less than half the cost of commercializationIt is possible to receive and enjoy various multimedia contents such as music, movies, and other data, at speeds of several tens of Mbps using high-speed internet widely available in households. Studies on the improvement of communication speeds have been continuously conducted over the recent years.Professor Yoon-Ha Jeong and research team have successfully succeeded in developing 35-nano GaAs nano-transistors (metamorphic HEMT..

2009-08-241,220
POSTECH News

Origin and Biogenesis of Chloroplasts, the Factory of Photosynthesis, in Plant Cells

It is well known that plants can fix carbon dioxide (CO2) into sugar. In plant cells, the chloroplast is responsible for fixing carbon dioxide into sugar. Thus chloroplasts as the factory for sugar production play essential roles not only for plants themselves but also for most of living organisms on Earth. However, chloroplasts are not just carbon dioxide fixing factory but also responsible for producing a large number of chemical compounds that are essential for plant growth and development. Interestingly, chloroplasts in plant cells are thought to be originated from ancestral cyanobacterium..

2009-08-241,178
POSTECH News

QUANTUM-RING LASERS:Whispering-Cave-Mode Lasers Emit in Blue-Violet

Lord Rayleigh wrote about the two-dimensional whispering gallery mode (WGM) in 1910 after a visit to the dome of St. Paul’s cathedral in London. The whispering cave mode (WCM) is a threedimensional (3D) effect?a toroid with circular helix symmetry?which recent studies have shown can be used to create photonic-quantum-ring (PQR) lasers that emit in the blue-violet part of the spectrum. A research team at Pohang University of Science and Technology (POSTECH, Pohang, Korea) first created 3D WCM lasers that emit in the infrared and red part of the spectrum. To achieve this, professor O&rsquo..

2009-08-241,101
POSTECH News

Lesson from Lotus Leaf:Photoreversibly Switchable Smart Surface

Professor Kilwon Cho and Doctor Ho Sun Lim of the Department of Chemical Engineering discovered the smart surface that can switch reversibly from extreme water-hating (superhydrophobic) to dramatic water-loving (superhydrophilic) via exposure to ultraviolet or visible light (J. Am. Chem. Soc., 2006, 128, 14458). Recently, this smart surface was introduced with the subject, “Self-Cleaning Materials: Lotus Leaf-Inspired Nanotechnology” in a hot issue of materials science field in Scientific American. The lotus grows in muddy water, but its leaves, when they emerge, are seemingly neve..

2009-08-241,224
POSTECH News

Hybrid Nanostructure Fabrication Using an AAO Nanotemplate and Highly Conformal ALD

Nowadays the term of ‘nano’, which means 10-9 as the SI prefix, is commonly mentioned in the media. Usually, a human hair is taken as a means for lifelike recognition of 1 nanometer. One nanometer is 1/100,000 of a hair, which is too small to observe through optical microscope. When we consider that 1 nm is 3 or 4 atomic scale at the most, similar to DNA with the size of 2 nm, its very small size is true to nature for us. Hence, to control an individual atom and to reveal the mystery of the DNA of human body, ‘nanotechnology’ has been attracting great attention as one o..

2009-08-241,197
POSTECH News

p-aminobenzoate N-oxygenase:Novel Enzyme Chemistry for Antibiotics Biosynthesis

Many clinically important drugs are natural products produced by bacteria and fungi. In particular, polyketide antibiotics have been found to be an extremely rich source of biologically active compounds with a broad range of pharmaceutical activities. Aromatic nitro groups are relatively rare functional groups in natural products including polyketide antibiotics but are found in diverse types of important antibiotics, such as chloramphenicol, pyrrolnitrin, aureothin, azomycin, and rufomycin. Surprisingly, the biosynthesis of aromatic nitro groups is poorly understood. To date, only two enzymes..

2009-08-241,039
POSTECH News

Microcantilevers with Nanochannels

The invention of the scanning tunnel microscope (STM) opened the door to nanoworld, enabling humankind to actually touch and feel the individual atoms at the surface of a material. It has inspired a series of inventions such as the atomic force microscope (AFM), the lateral force microscope (LFM), the magnetic force microscope (MFM), etc. Recently, the scanning probe microscope (SPM), which encompasses all these inventions, has evolved into the millipede technology which has a potential to make competing data storage technologies obsolete. A common denominator of these exciting developments is..

2009-08-241,259
POSTECH News

Giga-size development in nanocapsules

A research achievement first published in the world’s foremost chemistry journal Angewandte Chemie by a prominent Korean chemist and his coworkers has gained spotlight with additional coverage in Nature Nanotechnology, Chemistry World and other world’s leading chemistry and medical related journals.Prof. Kimoon Kim and his team at the Dept. of Chemistry have developed a novel approach to the production of polymeric nanocapsules, which has revolutionized our understanding of manufacturing nanocapsules. Furthermore, the research has generated much interest not only from chemists in t..

2009-08-241,138
POSTECH News

Novel Programmable &#38quot;Write-Read-Erase&#38quot; Non-Volatile Polymer Memory Device Operative Even in Spa..

As technology continues to get smaller, and as memory needs become more demanding, the microelectronics industry requires devices that are more cost-efficient and lightweight. And, while organic memory materials have shown some promise on improvement in performance and reductions in cost, they still lack some of the essential qualities, such as durable performance even in a harsh condition, needed for application in a wide variety of fields. So-called Non-Volatile Memories (NVM) from thermally and dimensionally stable polymer materials could provide a solution.The devices, developed by Profess..

2009-08-24972
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June 2022
Apple Manufacturing R&D Accelerator at POSTECH Launches Two New Labs, Providing Cutting-Edge Training to Korean Enterprises Human Influence is the Culprit for Warm and Wet Winters in Northwest Russia POSTECH Selects Next-generation Leader Researchers for 2022

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