Nucleation Processes Current Events | Nucleation Processes News
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The Mechanisms of Atmospheric Nucleation
Aerosol particles are ubiquitous in Earth's atmosphere, influencing the quality of life through their climatic and health effects and by affecting visibility. In recent years, the formation and growth of nanometer-scale particles have been observed in situ in many different atmospheric environments, including urban plumes, clean arctic air, the... view more... (2003-11-06)
Effect of microstructure on the coercivity of HDDR Nd-Fe-B permanent magnetic alloy
The School of Physics, Shandong University, has shown that the coercivity mechanism of HDDR Nd-Fe-B permanent magnetic alloy is greatly related to its microstructure defect at the grain boundary. The investigation can provide a clear understanding of coercivity mechanism, and hence will be reported in Science in China Series G-Physics, Mechanism... view more... (2008-07-24)
New finding bubbles to surface, challenging old view
Chemical engineers have discovered a fundamental flaw in the conventional view of how liquids form bubbles that grow and turn into vapors, which takes place in everything from industrial processes to fizzing champagne. view more (2007-08-21)
The smallest piece of ice reveals its true nature
Collaborative research between scientists in the UK and Germany (published in this week's Nature Materials) has led to a breakthrough in the understanding of the formation of ice. view more (2007-06-21)
Right first time: Pioneering new methods of drug manufacture
Engineers at the University of Leeds have developed a simple technology which can be used in existing chemical reactors to ensure "right first time" drug crystal formation. view more (2009-11-11)
Landmark Modeling Study at Penn Reveals How Ferroelectric Computer Memory Works
A collaboration of University of Pennsylvania chemists and engineers has performed multi-scale modeling of ferroelectric domain walls and provided a new theory of behavior for domain-wall motion, the "sliding wall" that separates ferroelectric domains and makes high-density ferroelectric RAM (FeRAM) possible. view more (2007-10-11)
Traces of nanobubbles determine nanoboiling
Using a microscope and some extreme "snapshot" photography with shutter speeds only a few nanoseconds long, researchers from the National Institute of Standards and Technology (NIST) and Cornell University have uncovered the traces of ephemeral "nanobubbles" formed in boiling water on a microheater. view more (2007-04-02)
It's raining pentagons
This week's Nature Materials (09 March 2009) reveals how an international team of scientists led by researchers at the London Centre for Nanotechnology (LCN) at UCL have discovered a novel one dimensional ice chain structure built from pentagons that may prove to be a step toward the development of new materials which can be used to seed clouds... view more... (2009-03-09)
Sussex scientist becomes Fellow of the Royal Society
A University of Sussex chemistry professor has been elected a Fellow of the Royal Society (FRS), the premier honour for British and Commonwealth scientists. The Royal Society – the UK’s national academy for science – announced yesterday that Professor Tony Stace, from Lewes, is one of 42 new Fellows. view more (2002-05-14)
Substantial undercooling brings about microstructural change for ternary eutectic alloy
The Department of Applied Physics, Northwestern Polytechnical University (NPU) in Xi'an, China-Research, has shown that the substantial undercooling of liquid state brings about novel microstructural transition for Al-Cu-Si ternary eutectic alloy. view more (2009-03-09)
Substantial undercooling brings about microstructural change for ternary eutectic alloy
The Department of Applied Physics, Northwestern Polytechnical University (NPU) in Xi'an, China-Research, has shown that the substantial undercooling of liquid state brings about novel microstructural transition for Al-Cu-Si ternary eutectic alloy. The study is reported in Issue 54 (January, 2009) of Chinese Science Bulletin because of its... view more... (2009-02-09)
Crystal sieves, born anew
The porous, sieve-like minerals known as zeolites have been used for decades in purifiers, filters and other devices. view more (2006-04-18)
Insights into polymer film instability could aid high tech industries
While exploring the properties of polymer formation, a team of scientists at the National Institute for Standards and Technology (NIST) has made a fundamental discovery about these materials that could improve methods of creating the stable crystalline films that are widely used in electronics applications-and also offer insight into a range of... view more... (2009-01-14)
How did chemical constituents essential to life arise on primitive Earth?
Experiments show that simple molecules can combine chemically rather than biologically to form the building blocks of DNA, the key component of all life forms. These processes might have taken place on primitive earth, but how they occur is an unsolved puzzle. view more (2007-10-31)
Documenting a paradox: smoke decreases rainfall but ultimately increases its intensity
Air pollution and smoke suppress rainfall, but cause the remaining rain amounts to fall in greater intensities, with lightning and hail, says a researcher at the Hebrew University of Jerusalem. The researcher, Prof. Daniel Rosenfeld, was one of a group of scientists that included also participants from Germany, Sweden and Brazil who conducted... view more... (2004-02-25)
Patients with chronic illness not benefiting from advances in care
Many patients with chronic diseases are not benefiting from advances in care because of a lack of financial and staff resources, inadequate information systems, and doctors' heavy workload, argue US researchers in this week's BMJ. They assessed the extent to which evidence-based chronic care management processes and computer based clinical... view more... (2002-10-22)
International Conference on Earth Science Research
These include the fields of sedimentology - the study of sediments; biogeography - pattern and distribution of living organisms; geomorphology - land forms and processes, and tectonics - the structure and movement of the Earth's crust. view more (1999-08-16)
Growth Spurts: Berkeley Lab Researchers Record First Real-Time Direct Observations of Nanocrystal Growth in Solution
The veil is being lifted from the once unseen world of molecular activity. Not so long ago only the final products were visible and scientists were forced to gauge the processes behind those products by ensemble averages of many molecules. view more (2009-08-10)
Electric Nudge toward Self-organization
In search of materials with nonlinear optical properties Window panes and eyeglass lenses that get darker as it gets brighter are especially great in the summer. Their secret lies in optical properties that change as the light intensity changes - nonlinear optical properties. Such materials are also of interest as optoelectronic components. One... view more... (2002-03-07)
Smaller is Stronger - Now Scientists Know Why
As structures made of metal get smaller - as their dimensions approach the micrometer scale (millionths of a meter) or less - they get stronger. Scientists discovered this phenomenon 50 years ago while measuring the strength of tin "whiskers" a few micrometers in diameter and a few millimeters in length. view more (2008-01-03)
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