Formation and Transformation of Clathrate Hydrates under Interstellar Conditions
Conspectus Continuing efforts by many research groups have led to the discovery of∼ 240
species in the interstellar medium (ISM). Observatory-and laboratory-based astrochemical …
species in the interstellar medium (ISM). Observatory-and laboratory-based astrochemical …
Clathrate hydrates in interstellar environment
Clathrate hydrates (CHs) are ubiquitous in earth under high-pressure conditions, but their
existence in the interstellar medium (ISM) remains unknown. Here, we report experimental …
existence in the interstellar medium (ISM) remains unknown. Here, we report experimental …
Induced Migration of CO2 from Hydrate Cages to Amorphous Solid Water under Ultrahigh Vacuum and Cryogenic Conditions
Restricted migration of reactive species limits chemical transformations within interstellar
and cometary ices. We report the migration of CO2 from clathrate hydrate (CH) cages to …
and cometary ices. We report the migration of CO2 from clathrate hydrate (CH) cages to …
Formation of ethane clathrate hydrate in ultrahigh vacuum by thermal annealing
BK Malla, G Vishwakarma, S Chowdhury… - The Journal of …, 2022 - ACS Publications
The existence of many molecules in the form of clathrate hydrates (CHs) in ultrahigh vacuum
(UHV) and cryogenic conditions has not been explored adequately. In the present study, a …
(UHV) and cryogenic conditions has not been explored adequately. In the present study, a …
Existence of Acetaldehyde Clathrate Hydrate and Its Dissociation Leading to Cubic Ice under Ultrahigh Vacuum and Cryogenic Conditions
G Vishwakarma, BK Malla, S Chowdhury… - The Journal of …, 2023 - ACS Publications
Acetaldehyde in a dilute aqueous solution gets hydrated to produce a geminal diol under
atmospheric conditions. The acetaldehyde–water ice system under high pressure also …
atmospheric conditions. The acetaldehyde–water ice system under high pressure also …
Progress towards the FRIB-EDM3-Frontend: A tool to provide radioactive molecules from isotope harvesting for fundamental symmetry studies
The under-construction FRIB-EDM 3-instrument was designed to study polar radioactive
molecules (such as RaF) in transparent cryogenic solids by laser spectroscopy. The …
molecules (such as RaF) in transparent cryogenic solids by laser spectroscopy. The …
Spontaneous formation of tetrahydrofuran hydrate in ultrahigh vacuum
Clathrate hydrates (CHs) typically nucleate under high-pressure conditions, but their
existence in ultrahigh vacuum (UHV) is an open question. Here, we report the formation of …
existence in ultrahigh vacuum (UHV) is an open question. Here, we report the formation of …
Growth of Clathrate Hydrates in Nanoscale Ice Films Observed Using Electron Diffraction and Infrared Spectroscopy
BK Malla, DS Yang, T Pradeep - The Journal of Physical …, 2024 - ACS Publications
Clathrate hydrates (CHs) are believed to exist in cold regions of space, such as comets and
icy moons. While spectroscopic studies have explored their formation under similar …
icy moons. While spectroscopic studies have explored their formation under similar …
Facile Crystallization of Ice Ih via Formaldehyde Hydrate in Ultrahigh Vacuum under Cryogenic Conditions
Although hexagonal ice (ice Ih) is the most common and highly studied crystalline form of
ice, its nucleation from clathrate hydrates is poorly understood. Here, we report the formation …
ice, its nucleation from clathrate hydrates is poorly understood. Here, we report the formation …
Simulated Interstellar Photolysis of N2O Ice: Selectivity in Photoproducts
BK Malla, S Chowdhury, D Paliwal, H KM… - The Journal of …, 2025 - ACS Publications
Thermal diffusion and recombination control the kinetics of photochemical reactions of
reactive radicals formed by ultraviolet photon irradiation in interstellar ices. Here, we show …
reactive radicals formed by ultraviolet photon irradiation in interstellar ices. Here, we show …