Sentences with phrase «of iron atoms»

Typically, scanning tunneling microscopy (STM) involves dragging a fine - tipped electrode over a structure, in this case the chain of iron atoms, and detecting its electronic properties, from which an image can be constructed.

A magnetized scanning tunneling microscope tip was used to probe the spin property of the quantum wave function of the Majorana fermion at the end of a chain of iron atoms on the surface of a superconductor made of lead.

By studying iron extracted from cores drilled in rocks similar to these in Karijini National Park, Western Australia, UW — Madison researchers determined that half of the iron atoms had originated in shallow oceans after being processed by microbes 2.5 billion years ago.

The finding builds on the team's 2014 discovery, also published in Science, of the Majorana fermion in a single atom - wide chain of iron atoms atop a lead substrate.

Astronomers believe the bullets, which are about 10 times the size of our solar system, are clumps of iron atoms (bright blue tips) and other gas ejected from within the nebula after an unknown violent event.

Approximately 1.1 x 10 to the power of 13 moles of iron atoms — that's more than 600 million tonnes of the element — are used by the world's manufacturing industries every year.

An extra plane of iron atoms was inserted every ten repeats, substantially changing the magnetic properties.

The X-ray glow of those iron atoms is sointense that gravitational heating alone can not explain it.

At the same time it is also gravitationally red - shifted, because some of the iron atoms are very close to the black hole, wheretime itself and thus all light waves are stretched.

This energy contributesto the bright glow of iron atoms and other ultrahot matter swirling ina region called the corona.

By studying iron extracted from cores drilled in rocks similar to these in Karijini National Park, Western Australia, UW - Madison researchers determined that half of the iron atoms had originated in shallow oceans after being processed by microbes 2.5 billion years ago.

In the magnetic vortices — the skyrmions — the «atomic bar magnets» of the iron atoms spin around (orange and green arrows) and have an opposite orientation in their centres (blue arrows).

TOP: A typical two - element alloy consists of iron atoms (red spheres) and boron atoms (blue spheres), which naturally arrange themselves into a crystalline pattern upon cooling.

And some of those iron atoms would thereupon fluoresce, emitting X-rays of their own — not over the whole band this time but at a single precise line in the energy spectrum: 6.4 kilo - electron volts, which is the energy an electron loses when it falls from one shell in an iron atom to a lower one.

At the same time, it is also gravitationally red - shifted because some of the iron atoms are very close to the black hole, where time itself and thus all light waves are stretched.

«The alloy possesses a highly ordered structure, with layers of iron atoms that are separated by aluminum atomic layers.

Not exact matches

the atoms of iron in your blood, the gold you may have in a ring, the carbon in your cells all was forged in the heart of a long dead star and ejected out into the universe.

There is nothing in there at all about galaxies, expansion of the universe, the age of the universe, the speed of light, atoms, or anything at all that an Iron Age man would not have been able to write or make up.

At one particular point on the surface there might be an atom of aluminum or alternatively there might be an atom of iron, or some other substance.

Clay minerals consist of crystals in which atoms of silicon, oxygen and a number of metals, such as aluminum, iron and various rarer and less frequent ones, are arranged in a three - dimensional lattice.

Yes, Chopra's argument is like saying that a computer gets it's computing power from somewhere mysteriously within the atoms of the silicone, iron, and plastic used to manufacture it, and not from the integrated circuits and other large components.

Atoms in the corona are so hot that they give up many of their electrons — iron atoms have been known to lose up to half of their original cAtoms in the corona are so hot that they give up many of their electrons — iron atoms have been known to lose up to half of their original catoms have been known to lose up to half of their original count.

Astronomers had theorized but never witnessed this remnant - stoking until last November, when Hiroya Yamaguchi of the Harvard - Smithsonian Center for Astrophysics discovered a bizarre signature in the remnant's X-rays: Cool iron atoms clustered inside a ring of their fevered ferrous cousins.

With the lattice already formed and the temperature still being high enough, the atoms possess sufficient energy to diffuse through the lattice and separate into layers of iron and aluminum.

Brilliant outbursts of radiation from near the black hole had spread outward, struck iron atoms in surrounding gas clouds, and then reflected toward Earth, becoming visible here long after the original eruption.

Heinrich used a scanning tunneling microscope to align the iron atoms so each one takes on a magnetic polarity opposite that of its neighbor.

Heinrich highlighted his breakthrough by configuring 96 iron atoms five times, with each configuration representing one byte of code, to spell IBM's motto: T - H - I - N - K.

Some of the X-rays from the corona, the Cambridge researchers realized, would shine back onto the accretion disk and excite iron atoms there.

«There's a change in the iron atom called a spin transition, where the atom shrinks and becomes denser because of the intense pressure.

An emission line like that in the hands of an astronomer is like a radar gun in the hands of a cop: It reveals how fast the X-ray-emitting iron atoms are traveling.

In new superconductors, electrons flow through layers of iron and arsenic interspersed among layers of other atoms.

Cosmic rays, such as iron and titanium atoms, heavily damage the cells they traverse because of their very high rates of ionization.

The Ising model was introduced in 1920 to simulate how small - scale changes, such as interactions between atoms, can contribute to large - scale order, such as whether a sliver of iron will be magnetic.

But in crystals of an iron - molybdenum oxide, a team led by Kei - Ichiro Kobayashi at the Joint Research Center for Atom Technology in Tsukuba, Japan, saw a 10 % drop in resistance when they placed the material in a strong magnetic field, considerably more than the one seen in comparable materials.

The international group of researchers from the Leibniz Institute Dresden (IFW), the Technische Universität Dresden, the Polish Academy of Sciences, Sungkyunkwan University and the Center for Integrated Nanostructure Physics, an Institute of Basic Science (Korea) used pores in mono - layer graphene to form free standing 2D iron (Fe) single atom thick membranes.

Indeed, this is what an international group of researchers based in Germany, Poland and South Korea have now demonstrated is possible using iron atoms.

Keeping that in mind, Holland and his team designed a new compound with two distinct properties found in nitrogenase: large shielding groups of atoms that prevented undesired reactions, and a weak iron - sulfur bond that could break easily upon the addition of electrons.

The spectrometer is sensitive to wavelengths of light emitted by iron atoms that have lost all but 11 or 14 of their electrons.

In the iron - poor environment of the human body, where the iron concentration is about one atom per 1.6 liters of blood, initially susceptible P. aeruginosa might find it difficult to develop resistance to pyocin and resistant P. aeruginosa might grow so slowly the immune system would be able to clear them, Inglis said.

An external electric or magnetic field can align groups of atoms in the iron over time so that they take on their own permanent magnetic field.

An «emission line» like that in the hands of an astronomer is likea radar gun in the hands of a cop: It reveals how fast theX - ray - emitting iron atoms are traveling.

And some of those ironatoms would thereupon fluoresce, emitting X rays of their own — not overthe whole band this time but at a single precise line in the energyspectrum: 6.4 kilo - electron volts, which is the energy an electronloses when it falls from one shell in an iron atom to a lower one.

It turned out to be a polymer similar to chitin, containing long chains of amino acids, possible enzymes or transport proteins, and thousands of sites that each cupped a single iron atom.

Some of the X rays from thecorona, the Cambridge researchers realized, would shine back onto theaccretion disk and excite iron atoms there.

A biophysicist suggested that the iron atoms trapped in the nanobacterium's cell walls could be on - off switches, encoding in chains of Boolean logic information analogous to information encoded in DNA.

And if the iron atoms arefluorescing that brightly, it means something is wrong with thestandard model of black - hole accretion disks.

By growing iron atoms into incredibly small particles, Zhang increases the number of electrons they release as much as 1,000-fold.

The Kondo effect, first described last century by the Japanese physicist Jun Kondo, is observed when magnetic impurities, i.e., very few atoms (even only 1 in 1000) of magnetic material such as iron are added to metals like gold or copper.

This winter he coaxed a cluster of 12 iron atoms to store one bit of data, consisting of either a 1 or a 0.

The Cryogenic Dark Matter Search (CDMS), buried half a mile deep in an old Minnesota iron mine to shield it from cosmic rays, searches for collisions between dark - matter particles called WIMPS and ordinary atoms in 19 hockey - puck - size hunks of germanium.