The prestigious journal, "Physical Review Letters", one of the most important in the field of physics, has published three articles that summarise the findings of the team. The last of these articles may be consulted in the new issue of the journal - number 98. The thorough control and knowledge of the properties boron nitride opens the door to the design of new materials based on this compound and, likewise, has implications in other fields such as biology.
Boron nitride (BN) is a binary compound of the element boron which consists of equal proportions of boron and nitrogen and is used for coatings in reactors and insulation materials. At a nano level, according to what Ángel Rubio’s group has been able to characterise, the compound has excellent electronic and mechanical properties such as high resistance, and can emit blue light, i.e. a wavelength shorter than red, thus augmenting storage capacity in applications for optoelectronic devices such as DVD, aerials and lasers. Moreover, it forms macroscopic structures (nanostructured molecular solids) through weak, van der Waals-type interactions, which, fundamentally, are in other fields of knowledge, particularly biology and supramolecular chemistry, where molecular self-assembly is dictated by these type of interactions.
The UPV/EHU team has shown, on the one hand, the role played by these weak (van der Waals-type) interactions in the stability of these BN nanostructures  and, on the other, the properties of absorption and emission of blue light and near ultraviolet , properties that are also the subject of this latest research . The results are also relevant in the understanding of the properties of other carbon compounds (nanotubes, graphene) in fields such as nanoelectronics, photonics and materials for biomedical applications (sensors, biological labels, etc). All these fields are of great current scientific interest throughout the world and great advances are expected in the short and medium term.
Collaborating on this research with Ángel Rubio, who recently received the DuPont Science Award for his notable theoretical contributions to in the field of nanoscience and molecular nanotechnology, were doctors Ludger Wirtz, Andrea Marini, Jorge Serrano and Pablo García, as well as experimental teams from Japan and Grenoble. First-Principle Description of Correlation Effects in Layered Materials, A. Marini, P. García-González and A. Rubio, Physical Review Letters 96, 136404 - 4 (2006)
 Vibrational properties of Hexagonal Boron Nitride: Inelastic X-ray Scattering and ab initio Calculations, J. Serrano, A. Bosak, R. Arenal, M. Krisch, K. Watanabe, T. Taniguchi, H. Kanda, A. Rubio and L. Wirtz, Physical Review Letters 98, 095503 - 1,4 (2007)
Irati Kortabitarte | alfa
Move over, lasers: Scientists can now create holograms from neutrons, too
21.10.2016 | National Institute of Standards and Technology (NIST)
Finding the lightest superdeformed triaxial atomic nucleus
20.10.2016 | The Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences
Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...
In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...
By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.
"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...
COMPAMED has become the leading international marketplace for suppliers of medical manufacturing. The trade fair, which takes place every November and is co-located to MEDICA in Dusseldorf, has been steadily growing over the past years and shows that medical technology remains a rapidly growing market.
In 2016, the joint pavilion by the IVAM Microtechnology Network, the Product Market “High-tech for Medical Devices”, will be located in Hall 8a again and will...
'Ferroelectric' materials can switch between different states of electrical polarization in response to an external electric field. This flexibility means they show promise for many applications, for example in electronic devices and computer memory. Current ferroelectric materials are highly valued for their thermal and chemical stability and rapid electro-mechanical responses, but creating a material that is scalable down to the tiny sizes needed for technologies like silicon-based semiconductors (Si-based CMOS) has proven challenging.
Now, Hiroshi Funakubo and co-workers at the Tokyo Institute of Technology, in collaboration with researchers across Japan, have conducted experiments to...
14.10.2016 | Event News
14.10.2016 | Event News
12.10.2016 | Event News
21.10.2016 | Health and Medicine
21.10.2016 | Information Technology
21.10.2016 | Materials Sciences