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
MEMS chips get metatlenses
21.02.2018 | American Institute of Physics
International team publishes roadmap to enhance radioresistance for space colonization
21.02.2018 | Biogerontology Research Foundation
Quantum computers may one day solve algorithmic problems which even the biggest supercomputers today can’t manage. But how do you test a quantum computer to...
For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.
In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...
Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale
Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...
For photographers and scientists, lenses are lifesavers. They reflect and refract light, making possible the imaging systems that drive discovery through the microscope and preserve history through cameras.
But today's glass-based lenses are bulky and resist miniaturization. Next-generation technologies, such as ultrathin cameras or tiny microscopes, require...
Scientists from the University of Zurich have succeeded for the first time in tracking individual stem cells and their neuronal progeny over months within the intact adult brain. This study sheds light on how new neurons are produced throughout life.
The generation of new nerve cells was once thought to taper off at the end of embryonic development. However, recent research has shown that the adult brain...
15.02.2018 | Event News
13.02.2018 | Event News
12.02.2018 | Event News
22.02.2018 | Business and Finance
22.02.2018 | Health and Medicine
22.02.2018 | Life Sciences