The direct and converse piezoelectricity make it to a Nanoscale cover

The article entitled "Direct and converse piezoelectric responses at the nanoscale from epitaxial BiFeO3 thin films grown by polymer assisted deposition" has made it to the Nanoscale cover (Volume 10, Number 43, 21 November 2018, Pages 20057–20476). 

Germanium nanowires with two crystal phases make it to the Cover of NanoLetters

Recent advances in the synthetic growth of nanowires --rod shaped semiconductors of nanometric size-- have given access to crystal phases that in bulk are only observed under extreme pressure conditions. In this study, hexagonal germanium (Ge) crystal domains are found in cubic Ge nanowires. The electronic, phononic, and crystalline properties of these phases has been studied by Raman spectroscopy and through theoretical calculations. The study has been published in Nano Letters and selected for a cover of the issue!

The incredible Hückel. A back cover of Chem. Eur. J.

Jordi Poater (ICREA Research Professor at Univ. Barcelona, ex-IQCC member), Miquel Solà from the Institute of Computational Chemistry and Catalysis (IQCC) and Clara Viñas and Francesc Teixidor from the Institute of Materials Science of Barcelona (CSIC, ICMAB) have shown that aromatic closo boron hydride clusters can be categorized into different series, according to the n value of the Hückel (4?n+2)? rule.


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