Tag

Crystallization

All articles tagged with #crystallization

science1 month ago•11 min saved

Cracking the Ice Code: Ultrafast X‑ray Illuminates Early Freezing

Using the European XFEL to watch the first microseconds of freezing, researchers show that disorder and impurities strongly influence nucleation, challenging classical nucleation theory; experiments on simple Lennard‑Jones liquids (krypton and argon) reveal rapid onset of crystalline order within micrometres and microseconds, with theory matching experiments only after refining assumptions. The work could improve climate models, cloud formation understanding, and insights into planetary interiors.

via Nature|

#atmospheric-science #crystallization #ice

science9 months ago•3 min saved

Scientists Achieve Room-Temperature Ice, Challenging Physics Norms

Scientists have discovered a new phase of ice, called ice XXI, formed by rapidly compressing water at room temperature, revealing new insights into ice's diverse crystalline structures and potential implications for understanding icy moons.

via Gizmodo|

#crystallization #extraterrestrial-surfaces #high-pressure-physics

science9 months ago•5 min saved

Scientists Find Carbon May Have Triggered Earth's Core Crystallization and Preserved Magnetic Field

Scientists from Oxford, Leeds, and UCL discovered that carbon played a crucial role in Earth's inner core formation, reducing supercooling requirements and potentially more abundant than previously thought, which impacts our understanding of Earth's magnetic field and interior dynamics.

via Rude Baguette|

#carbon #crystallization #earths-core

science1 year ago•1 min saved

New Insights into the Complex Nature of Space Ice

New research reveals that space ice, previously thought to be completely disordered, contains both crystalline and amorphous regions, showing it is neither entirely ordered nor chaotic.

via WIRED|

#crystallization #disorder #ice

science1 year ago•3 min saved

Revolutionary Theory Redefines Crystal Formation in Chemistry

A new theory in crystallization suggests that the solvent, rather than the solute, plays the primary role in crystal formation. This challenges traditional views and has implications for fields like medicine and technology. The theory, developed by James Martin, describes crystallization as a two-step process involving a melt-like intermediate that organizes into a crystal structure. This approach could improve predictions of crystal growth and help in applications such as drug development and preventing kidney stones.

via SciTechDaily|

#chemistry #crystal-growth #crystallization

science-and-technology2 years ago•2 min saved

"Revolutionary Nanomaterials Created through Bottom-Up Method by Scientists"

Scientists from Friedrich Schiller University Jena and Friedrich Alexander University Erlangen-Nuremberg have developed nanomaterials using a bottom-up approach, exploiting the directional growth of crystals during crystallization. The resulting nanostructures, which consist of worm-like rods with embedded nanoparticles, have potential applications in various fields, including information processing and catalysis. The researchers used individual silicon dioxide particles and grafted polymer molecules to control the building-up process. The collaboration between the two universities and the use of computer simulations were crucial in understanding the complex molecular processes involved in the formation of these nanostructures.

via Phys.org|

#bottom-up-approach #crystallization #nanomaterials

astronomy3 years ago•0 min saved

White Dwarf Star Transforms into Diamond in Rare Phenomenon

Astronomers have discovered a white dwarf star, HD 190412 C, that is gradually transforming into a massive diamond. This process takes roughly a quadrillion years, shedding new light on the evolution of stars over time. As the universe is 13.6 billion years old, no star has ever fully crystallized.

via Interesting Engineering|

#astronomy #crystallization #diamond

astronomy3 years ago•8 min saved

White Dwarf Transforms into Massive Diamond in Space

Astrophysicists have found a white dwarf in the process of crystallizing, which will help them understand how and when this phenomenon occurs. The white dwarf is in a system with other main-sequence stars, making it easier to determine its age. The researchers estimate its age to be 7.3 billion years, but they say it could be an underestimation. The white dwarf is the first confirmed crystallizing white dwarf in a Sirius-like system, and its location in a system with other stars will make it easier to study white dwarf crystallization.

via Universe Today|

#age #astronomy #cooling-models

space3 years ago•2 min saved

White Dwarf Star Crystalizes into Giant Diamond in Nearby Galaxy.

Scientists have discovered a white dwarf star, HD 190412 C, that is in the early stages of crystallizing into a celestial diamond. The star's temperature and metal core composition put it in the range of a crystallizing white dwarf, and its age was calculated to be about 4.2 billion years. The star is part of a quadruple star system called HD 190412, and its distance from Earth was determined using data from the Gaia Mission. This is the first known case of a crystallizing white dwarf with a known age, and other similar systems may exist nearby.

via Space.com|

#crystallization #diamond #gaia-mission

astronomy3 years ago•2 min saved

White Dwarf Morphs into Massive Diamond in Space

Scientists are studying a white dwarf star, HD 190412 C, that appears to be turning into a "cosmic diamond" as it slowly crystallizes. This particular star offers a unique opportunity to study the cooling process of white dwarves and how long it could take before they crystallize into what could resemble a diamond. The star is around 4.2 billion years old, and scientists predict this process could take a quadrillion years.

via Futurism|

#astronomy #cooling-process #cosmic-diamond

astronomy3 years ago•1 min saved

"White Dwarf Star Crystalizes into Giant Diamond in Nearby Galaxy"

Astronomers have discovered a white dwarf star about 104 lightyears from Earth that is slowly crystalizing into a diamond the size of a planet. The white dwarf is part of a quadruple-star system called HD 190412, and data suggests it could be around 4.2 billion years old. White dwarfs are the final state of about 97 percent of the Milky Way galaxy's stars, including the Sun, and will eventually become cold, dark, diamond-like objects called black dwarfs. The discovery of a star undergoing crystallization so close to our solar system will help astronomers better understand its course and how common such stars are.

via TechSpot|

#astronomy #crystallization #diamond

astronomy3 years ago•2 min saved

White Dwarf Star Morphs into Massive Diamond in Space

Scientists have discovered a white dwarf star, HD 190412 C, that is in the process of crystallizing into a celestial diamond. The star is about 104 light-years away in a quadruple star system called HD 190412. The researchers calculated the star's temperature, which puts it into the range of a crystallizing white dwarf. With this information, the team modeled the white dwarf’s cooling over time, confirming the first case of a crystallizing white dwarf with a known age.

via Livescience.com|

#astronomy #crystallization #diamond

astronomy3 years ago•2 min saved

Rare white dwarf star transforms into cosmic diamond.

A group of space scientists have discovered a white dwarf star, HD 190412 C, that appears to be in the beginning stages of crystallizing into a celestial diamond. The white dwarf, located approximately 104 light years away, is made mostly of metallic oxygen and is part of a quadruple system called HD 190412. The researchers have been studying the cooling delay in the star due to the crystallization process to determine how far along it is on its path to becoming a celestial diamond.

via Phys.org|

#astronomy #cooling-delay #crystallization

astronomy3 years ago•4 min saved

"White Dwarf Star Transforms into Cosmic Diamond through Crystallization"

Astronomers have discovered a white dwarf star, located just 104 light-years away, that is gradually hardening and crystallizing, turning into a dense, hard, 'cosmic diamond' made up of crystallized carbon and oxygen. The discovery is detailed in a paper accepted into the Monthly Notices of the Royal Astronomical Society. The white dwarf is part of a quadruple system, and its properties suggest that it's undergoing the crystallization process. The system's age is around 7.3 billion years, and the white dwarf's age appears to be around 4.2 billion years, suggesting that the crystallization rate has slowed the cooling rate of the white dwarf by approximately 1 billion years.

via ScienceAlert|

#astronomy #cooling-delay #cosmic-diamond