Cold chemistry & complex molecules

Complex molecules

Bottom-up approach to making larger hydrocarbon molecules capable of optical cycling

G. Lao, T. Khvorost, A. Macias Jr., H. W. T. Morgan, et al.

Nature Chemistry 18, 84

Complex molecules

Vibronic coupling limits the use of high-lying electronic states in complex molecules for laser cooling

H. Zhou, P. Wojcik, G.-Z. Zhu, G. Lao, T. Khvorost, et al.

Physical Review Research 7, 043180

Complex molecules

Photoswitching Molecules Functionalized with Optical Cycling Centers Provide a Novel Platform for Studying Chemical Transformations in Ultracold Molecules

Complex molecules

Dual Optical Cycling Centers Mounted on an Organic Scaffold: New Insights from Quantum Chemistry Calculations and Symmetry Analysis

Complex molecules

Extending the large molecule limit: The role of Fermi resonance in developing a quantum functional group

Complex molecules

Laser spectroscopy of aromatic molecules with optical cycling centers: strontium (I) phenoxides

Complex molecules

On the prospects of optical cycling in diatomic cations: effects of transition metals, spin–orbit couplings, and multiple bonds

Complex molecules

Functionalizing Aromatic Compounds with Optical Cycling Centers

Complex molecules

Pathway Towards Optical Cycling and Laser Cooling of Functionalized Arenes

Molecular spectroscopy

High-resolution laser-induced fluorescence spectroscopy of ²⁸Si¹⁶O⁺ and ²⁹Si¹⁶O⁺ in a cryogenic buffer-gas cell

Cold chemistry

Determining the reaction pathway at low temperatures by isotopic substitution: the case of BeD⁺ + H₂O

Complex molecules

Optical Cycling Functionalization of Arenes

Cold chemistry

Isomer-specific kinetics of the C⁺ + H₂O reaction at the temperature of interstellar clouds

Complex molecules

In search of molecular ions for optical cycling: a difficult road

Cold chemistry

Isotope-selective chemistry in the Be⁺ (²S₁/₂) + HOD → BeOD⁺/BeOH⁺ + H/D reaction

Cold chemistry

Engineering Excited-State Interactions at Ultracold Temperatures

Cold chemistry

Excitation-assisted nonadiabatic charge-transfer reaction in a mixed atom-ion system

Cold chemistry

Reaction blockading in a reaction between an excited atom and a charged molecule at low collision energy

Instrumentation

High-resolution collision energy control through ion position modulation in atom-ion hybrid systems

Cold chemistry

Optical Control of Reactions between Water and Laser-Cooled Be⁺ Ions

Cold chemistry

Synthesis of mixed hypermetallic oxide BaOCa⁺ from laser-cooled reagents in an atom-ion hybrid trap

Instrumentation

Efficient repumping of a Ca magneto-optical trap

Review

Sympathetic cooling of molecular ions with ultracold atoms

Cold chemistry

Blue-sky bifurcation of ion energies and the limits of neutral-gas sympathetic cooling of trapped ions

Cold chemistry

Explanation of efficient quenching of molecular ion vibrational motion by ultracold atoms

Instrumentation

Electronics of an ion trap with integrated time-of-flight mass spectrometer

Molecular spectroscopy

Photodissociation spectroscopy of the dysprosium monochloride molecular ion

Instrumentation

Laser-Cooling-Assisted Mass Spectrometry

Molecular spectroscopy

Action spectroscopy of SrCl⁺ using an integrated ion trap time-of-flight mass spectrometer

Cold chemistry

Neutral Gas Sympathetic Cooling of an Ion in a Paul Trap

Trapped ions

Measurement of the Coulomb Logarithm in a Radio-Frequency Paul Trap

Cold chemistry

Evidence for sympathetic vibrational cooling of translationally cold molecules

Cold chemistry

Role of Electronic Excitations in Ground-State-Forbidden Inelastic Collisions Between Ultracold Atoms and Ions

Instrumentation

An integrated ion trap and time-of-flight mass spectrometer for chemical and photo-reaction dynamics studies

Cold chemistry

Measurement of a Large Chemical Reaction Rate between Ultracold Closed-Shell ⁴⁰Ca Atoms and Open-Shell ¹⁷⁴Yb⁺ Ions Held in a Hybrid Atom-Ion Trap

Molecular ions

Trapping molecular ions formed via photo-associative ionization of ultracold atoms

Molecular spectroscopy

Molecular-ion trap-depletion spectroscopy of BaCl⁺

Molecular ions

Method for producing ultracold molecular ions

Molecular physics

Deceleration of continuous molecular beams