Z
Zamaan Raza
Researcher at National Institute for Materials Science
Publications - 22
Citations - 839
Zamaan Raza is an academic researcher from National Institute for Materials Science. The author has contributed to research in topics: Glycolaldehyde & Phase (matter). The author has an hindex of 15, co-authored 22 publications receiving 662 citations. Previous affiliations of Zamaan Raza include Pierre-and-Marie-Curie University & University College London.
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Journal ArticleDOI
The microscopic features of heterogeneous ice nucleation may affect the macroscopic morphology of atmospheric ice crystals.
Stephen J. Cox,Stephen J. Cox,Zamaan Raza,Shawn M. Kathmann,Ben Slater,Angelos Michaelides,Angelos Michaelides +6 more
TL;DR: The findings from this work suggest that heterogeneous ice nucleating agents may not only enhance the ice nucleation rate, but also alter the macroscopic structure of the ice crystals that form.
Journal ArticleDOI
Glycolaldehyde formation via the dimerization of the formyl radical
Paul M. Woods,Paul M. Woods,Ben Slater,Zamaan Raza,Zamaan Raza,Serena Viti,Wendy A. Brown,Wendy A. Brown,Daren J. Burke,Daren J. Burke +9 more
TL;DR: In this paper, the formation of glycolaldehyde, the simplest monosaccharide sugar, has been detected in low and high-mass star-forming cores, and a further mechanism for the formation was proposed that involves the dimerization of the formyl radical, HCO.
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On the formation of glycolaldehyde in dense molecular cores
Paul M. Woods,G. Kelly,Serena Viti,Ben Slater,Wendy A. Brown,Fabrizio Puletti,Daren J. Burke,Zamaan Raza +7 more
TL;DR: In this paper, the authors investigate the formation of glycolaldehyde at 10 K to determine whether it can form efficiently under typical dense core conditions using an astrochemical model, finding that a gas-phase formation route is unlikely.
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Lattice Vibrations Change the Solid Solubility of an Alloy at High Temperatures.
Nina Shulumba,Nina Shulumba,Olle Hellman,Olle Hellman,Zamaan Raza,Björn Alling,Björn Alling,Jenifer Barrirero,Jenifer Barrirero,F. Mücklich,Igor A. Abrikosov,Igor A. Abrikosov,Magnus Odén +12 more
TL;DR: It is demonstrated that the vibrational contribution including anharmonicity and temperature dependence of the mixing enthalpy have a decisive impact on the calculated phase diagram of a Ti_{1-x}Al_{x}N alloy, lowering the maximum temperature for the miscibility gap from 6560 to 2860 K.
Journal ArticleDOI
Proton ordering in cubic ice and hexagonal ice; a potential new ice phase—XIc
Zamaan Raza,Dario Alfè,Christoph G. Salzmann,Jiří Klimeš,Jiří Klimeš,Angelos Michaelides,Angelos Michaelides,Ben Slater +7 more
TL;DR: It is found that the most stable arrangement of water molecules in cubic ice is isoenergetic with that of the proton ordered form of hexagonal ice (known as ice XI), indicating a potential new polytype of ice XI as XIc and a possible route for preparing ice XIc.