Tunnelling current amplifier, artwork C017 / 3618
Wall Art and Photo Gifts from Science Photo Library
Tunnelling current amplifier, artwork C017 / 3618
Tunnelling current amplifier, computer artwork. Tunnelling current amplifiers are used in scanning tunnelling spectroscopy. This technique is used to provide information about the density of electrons in a sample, as a function of their energy, in order to obtain topographic maps of surfaces. A metal tip (red) is moved over a conducting sample (blue) without making mechanical contact. A bias voltage between the sample and tip allows a current to flow between the tip and the sample even though they are not in contact. This can occur because of quantum mechanical tunnelling, hence the name of the instrument
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9340791
© MIKKEL JUUL JENSEN / SCIENCE PHOTO LIBRARY
Apparatus Computer Density Electron Electrons Energy Machine Mapping Molecules Particle Particles Quantum Mechanics Surface Tunnelling Cutouts Physical Topographic Map
EDITORS COMMENTS
The captivating artwork titled "Tunnelling Current Amplifier" showcases the intricate world of scanning tunnelling spectroscopy. This technique, utilized to unravel the density and energy distribution of electrons in a sample, enables scientists to construct detailed topographic maps of surfaces. In this visually stunning print, we witness a metal tip (depicted in red) delicately traversing over a conducting sample (represented in blue), all without any physical contact. What makes this phenomenon possible is the application of a bias voltage between the tip and sample, allowing an electric current to flow despite their non-contact state. This mesmerizing process occurs due to quantum mechanical tunnelling - hence its name - where particles can traverse barriers that would otherwise be impenetrable according to classical physics. MIKKEL JUUL JENSEN's remarkable artwork captures both the technological prowess and scientific elegance behind scanning tunnelling spectroscopy. The white background accentuates every detail of this cutting-edge apparatus, while highlighting its significance within fields such as chemistry and physics. This thought-provoking illustration serves as a reminder of humanity's continuous quest for knowledge through innovation and exploration at the microscopic level. It symbolizes our relentless pursuit towards understanding the building blocks that shape our world – from molecules and particles to complex topographic maps – ultimately pushing boundaries in science and technology alike.
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