Scientists have produced Fe3O4 nanowires on 10-nm length scales by deposition on an MgO substrate. When cooled to 110 K, the nanowires showed a sharp Verwey transition -- greater resistivity resulting from a change in crystal structure. This switc...
Jul 16, 2019
Researchers have created a new type of tiny 3D-printed robot that moves by harnessing vibration from piezoelectric actuators, ultrasound sources or even tiny speakers. Swarms of these “micro-bristle-bots” might work together to sense envi...
Jul 16, 2019
Russian scientists from Lebedev Physical Institute of the Russian Academy of Sciences, National Research Nuclear University MEPhI, G.G. Devyatykh Institute of Chemistry of High-Purity Substances of the Russian Academy, together with their European...
Jul 16, 2019
Magnetite (Fe3O4) is best known as a magnetic iron ore, and is the source of lodestone. It also has potential as a high-temperature resistor in electronics. In new research led by Osaka University, published in Nano Letters, ultra-thin nanowires m...
Jul 16, 2019
Ultra-thin nanowires made from magnetite reveal insights into an intriguing property of this mineral.
Jul 16, 2019
Back in 2004, the physics community was just beginning to recognize the existence of truly two-dimensional (2-D) material, graphene. Fast-forward to 2019, and scientists are exploring a breadth of 2-D materials to uncover more of their fundamental...
Jul 16, 2019
Glass for displays, tablets, laptops, smartphones, and solar cells needs to allow light to pass through, but could benefit from a surface that repels water, oil, and other liquids. Researchers from the University of Pittsburgh (Pitt) created a new...
Jul 16, 2019
Scientists have developed a tumor enzymatic microenvironment-activatable antibody nanoparticle for robust cancer immunotherapy.
Jul 16, 2019
The researchers believe their study may enable quantitative understanding and evaluation of hydrogen-induced damage in hydrogen-rich environments such as fusion reactor cores.
Jul 16, 2019
Cells equipped with superparamagnetic iron oxide nanoparticles can be directed to a specific location by an external magnetic field, which is beneficial for tissue repair.
Jul 16, 2019
