Sentences with phrase «of diamond crystals»

The etching is done in a plasma chamber where the diamond is bombarded by argon and oxygen ions, ripping the carbon atoms out of the diamond crystal.

Not exact matches

Inesa Dayan knows her diamonds and as Director of Diamond Industry, her focus is crystal clear: Create shining and brilliant marketing strategies with clients and firms that will put them and their vision in a clear light.
If they could only have cast their minds further back, perhaps they might have recalled a lost paradise: green and yellow meadows stirred by tender winds, umbrageous forests and emerald groves, glass - blue mountain peaks melting into azure skies, glittering bays whose diamond waters break in jade and turquoise surges on sands like powdered alabaster — where the rain falls gently, and is transformed by the setting sun into shimmering curtains of gold — where, beyond verdant valleys and limestone caves, lies a palace filled with every delight the senses can endure, enclosing garden courtyards where crystal fountains splash in porphyry basins, intoxicating perfumes hang upon the breezes, undying flowers of every hue shine out amid the greenery's blue shadows...
An all - in - one turntable available in natural wood and glossy piano black, the Ion uses a conical, diamond - tipped ceramic stylus and dual built - in speakers to bring all of your favorite vinyl tunes to life with crystal clear precision and depth.
But the researchers discovered an oddity that made them question whether the gems came from an asteroid at all: The diamonds had grown around even smaller crystals of iron and sulfur, which normally would repel each other like oil and water, says EPFL physicist Cécile Hébert.
As the diamond crystals form, they can enclose tiny amounts of fluid or rock from their surroundings.
These crashes were big and energetic and, in the case of the diamond - laden meteorite's parent body, caused catastrophic disruptions that the crystals captured.
The researchers performed hundreds of indentation tests on tiny olivine crystals less than a centimeter square and found that the olivine crystal became weaker as the size of the diamond tip increased.
The diamonds were then coated with a thin layer of alumina to prevent the hydrogen from diffusing into their crystal structure and embrittling them.
Rarer than diamonds, the wurtzite - like crystal structure of boron nitride is considerably harder.
The basic building blocks of future quantum processors are, for example, atoms, superconducting quantum electronic circuits, spin crystals in diamonds, and photons.
An ice - cube - sized crystal can be diced with a diamond saw to make 1,000 identical rectangular prisms, a process that enthralls Agranat, even though he's watched it hundreds of times.
The team crushed a sample containing tiny crystals of osmium and liquid argon between the jeweled jaws of a diamond anvil, which exerts several hundred tons per square centimeter of pressure.
And although scientists have been able to manufacture synthetic diamonds since 1955, current techniques create a diamond comprised of many small crystals.
These tiny, enigmatic crystals hold promise both for industry and for the study of how diamond grows
By synthesizing pure, bulk samples of Si - III, Strobel and his team were able to determine that Si - III is actually a semiconductor with an extremely narrow band gap, narrower than the band gap of diamond - like silicon crystals, which is the most - commonly utilized kind.
An electric field causes the diamonds to flip into square shapes, changing the structure of the crystal and altering its overall length by up to 10 per cent.
The researchers studied the reflectivity of the cubic diamond - like inverse woodpile crystals by numerical calculations and interpreted recent experiments.
Researchers led by Martina Menneken of Westfälische Wilhelms - Universität in Germany found that the diamonds are surrounded by zircon crystals, which were dated between 3.1 billion and 4.3 billion years old.
«Thin diamond crystal reflects many colors of light in all directions.»
A study of tiny mineral «inclusions» within diamonds from Botswana has shown that diamond crystals can take billions of years to grow.
X-ray studies of crystals compressed between a pair of gem - quality diamonds reveal a range of responses to increased pressure.
«Unique diamond impurities indicate water deep in Earth's mantle: Scientific analysis of diamond impurities — known as inclusions — reveal naturally forming ice crystals and point to water - rich regions deep below the Earth's crust.»
In a study led by Alexander Pines, a senior faculty scientist with Berkeley Lab's Materials Sciences Division and UC Berkeley's Glenn T. Seaborg Professor of Chemistry, researchers recorded the first bulk room - temperature NMR hyperpolarization of carbon - 13 nuclei in diamond in situ at arbitrary magnetic fields and crystal orientations.
Their focus over the past two years has been on diamond crystals and an impurity called a nitrogen - vacancy (NV) center, in which optical and spin degrees of freedom are coupled.
The research group of Alex Pines has recorded the first bulk room - temperature NMR hyperpolarization of carbon - 13 nuclei in diamond in situ at arbitrary magnetic fields and crystal orientations.
«Our results in this study represent an NMR signal enhancement equivalent to that achieved in the pioneering experiments of Lucio Frydman and coworkers at the Weizmann Institute of Science, but using microwave - induced dynamic nuclear hyperpolarization in diamonds without the need for precise control over magnetic field and crystal alignment,» Pines says.
The diamond crystals have an edge length of between three and eight millimeters, and are then separated from the substrate and polished using a laser.
To help with understanding the crystal structure, Steve Hackney, professor of materials science at Michigan Tech, was able to provide crucial high - resolution images and diffraction patterns using transmission electron microscopy on ultrathin samples prepared with a diamond knife by Owen Mills, director of Michigan Tech's Applied Chemical & Morphological Analysis Laboratory.
The technique exploits quantum effects in tiny diamond crystals, or «nanodiamonds», to detect changes down to a few thousandths of a degree.
But Q - carbon can also be used to create a variety of single - crystal diamond objects.
But so far, decoherence, a degradation of the delicate states caused by noise in the environment, has prevented researchers from storing more than a few bits of linked quantum information in a diamond crystal at a time.
Disrupted oscillations The researchers focused on nitrogen — vacancy (NV) centers, imperfections in diamond that arise where an atom of nitrogen and an empty space replace carbon atoms at two neighboring spots in the crystal lattice.
When a nitrogen atom replaces a carbon in the crystal structure of diamond, it creates a nitrogen - vacancy center, which can store information that is written and read out using light.
Washington, DC — The U.S. Patent & Trademark Office has issued a patent to the Carnegie Institution for a method of creating high quality diamond crystals larger than 10 carats.
The outcome of the new work is that so - called lonsdaleite is the same as the regular cubic form of diamond, but it has been subjected to shock or pressure that caused defects within the crystal structure.
X-ray spectroscopy helped to investigate the diamond crystals collected on the fields in Africa, China, Zaire and Sierra Leone, and to find in them microinclusions ordinary water ice, but in a rare cubic phase of ice VII.
Moreover, with the development of diamond CVD growth in the 80s, electronic grade single crystals became commercially available.
Methods have been developed to produce single - crystal diamond at low pressure having a broad range of properties.
Microdermabrasion uses either aluminum oxide crystals or a diamond tipped wand — hence the price tag of some spa services.
«Alouette» strapless sweetheart wedding dress with pleated bodice and butterfly silk organza peplum skirt, featuring a delicate beaded band of Swarovski crystals at waist, paired with a beaded cathedral veil in diamond white, Ines Di Santo
Givenchy Crystal and Mother - of - Pearl Ear Cuff $ 1,130 / / Vickisarge Swarovski Crystal Ear Cuff $ 330 / / Ryan Storer Rose Gold - Plated Pearl Ear Cuff $ 275 / / Pamela Love Amethyst Feather Ear Cuff $ 175 / / Jennie Kwon Hanging Diamonds Ear Cuff $ 720
Wear with a crystal maang tikka, diamond studs, and stacks of melodious glass bangles on both hands.
The actress trots out yet another insanely flattering dress (a Giambattista Valli Haute Couture mini with pale - pink crystal embellishments and a curtainlike skirt), perfect hair (shocking) and more major diamonds on the set of Le Grand Journal.
Each tip of the Crystal Branches 6 - Light Wall Sconce by Elk Lighting has a faceted, diamond - shaped crystal that exudes unprecedented sparkle andCrystal Branches 6 - Light Wall Sconce by Elk Lighting has a faceted, diamond - shaped crystal that exudes unprecedented sparkle andcrystal that exudes unprecedented sparkle and shine.
The watch features a silver dial with 32 diamond - set inner bezel of approx 1 carat and set within two scratch - resistant sapphire crystal plates containing seven white gold - mounted floating diamonds (0.39 ct approx.)
Accessorise with a pair of diamond studs and a crystal encrusted bracelet, and carry a contrasting sling bag to look like a fashion goddess.
Go monochromatic with a few pops of color by dressing up your tank and fancy pants with the Anthropologie Captured Gems Bracelet ($ 178.00), Frayed Diamonds Necklace in Grey ($ 168.00), Alexis Bittar Crystal - Studded Earrings ($ 175.00), the Soon - to - Scatter Ring ($ 98.00) and Urban Outfitters» Sequin Box Purse in Lilac / Silver ($ 38.00).
Complete with a T - strap which is detailed with metallic beading, chains, and crystals coming together in the form of two diamonds.
Alexis Bittar's chain link stud earrings, crystal encrusted draping ring, and diamond spear necklace lend just the right amount of sparkle to our look so we feel appropriately chic all night long.
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