World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
59
Citations
12292
World Ranking
10146
National Ranking
2822

Research.com Recognitions

  • 2005 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1993 - Fellow of American Physical Society (APS) Citation For the application of phtotoionization and photoelectron photoion coincidence to the study of ionic dissociation, state to state ion molecule reactions, and the study of transient species
  • 1981 - Fellow of Alfred P. Sloan Foundation

Overview

What is he best known for?

The fields of study he is best known for:

  • Ion
  • Hydrogen
  • Organic chemistry

His primary areas of investigation include Atomic physics, Photoionization, Ion, Ionization and Ionization energy. Within one scientific family, he focuses on topics pertaining to Field desorption under Atomic physics, and may sometimes address concerns connected to X-ray photoelectron spectroscopy. His studies deal with areas such as Physical chemistry, Molecular physics, Synchrotron radiation, Analytical chemistry and van der Waals force as well as Photoionization.

His study in Ion is interdisciplinary in nature, drawing from both Photochemistry, Molecule and Potential energy. His Ionization research incorporates themes from Dissociation and Molecular beam. Cheuk-Yiu Ng has researched Ionization energy in several fields, including Electron spectroscopy, Ab initio and Bond-dissociation energy.

His most cited work include:

  • State-Selected and State-to-State Ion−Molecule Reaction Dynamics (365 citations)
  • Vacuum ultraviolet photoionization and photodissociation of molecules and clusters (187 citations)
  • Performance of the vacuum ultraviolet high-resolution and high-flux beamline for chemical dynamics studies at the Advanced Light Source (150 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of study are Atomic physics, Photoionization, Ion, Ionization energy and Field desorption. His Atomic physics study integrates concerns from other disciplines, such as Ionization, Rydberg formula, Laser and X-ray photoelectron spectroscopy. In his study, Photodissociation is inextricably linked to Analytical chemistry, which falls within the broad field of Photoionization.

His Ion research is multidisciplinary, incorporating perspectives in Molecule, Dissociation and Mass spectrometry. Cheuk-Yiu Ng interconnects Standard enthalpy of formation, Ground state, Ab initio and Bond-dissociation energy in the investigation of issues within Ionization energy. His work in Field desorption tackles topics such as Synchrotron radiation which are related to areas like Undulator and Extreme ultraviolet.

He most often published in these fields:

  • Atomic physics (61.13%)
  • Photoionization (47.70%)
  • Ion (34.98%)

What were the highlights of his more recent work (between 2009-2021)?

  • Atomic physics (61.13%)
  • Photodissociation (21.55%)
  • Ion (34.98%)

In recent papers he was focusing on the following fields of study:

His scientific interests lie mostly in Atomic physics, Photodissociation, Ion, Excited state and Analytical chemistry. His Atomic physics study combines topics from a wide range of disciplines, such as Photoionization, Ab initio, Molecule, Ionization energy and Laser. Cheuk-Yiu Ng has included themes like Atom and Ground state in his Photoionization study.

His Ionization energy research includes elements of Rydberg formula and Molecular vibration. His Ion research integrates issues from Dissociation and Kinetic isotope effect. His work deals with themes such as Ionization, Quantum number and Branching fraction, which intersect with Excited state.

Between 2009 and 2021, his most popular works were:

  • Evidence for direct molecular oxygen production in CO2 photodissociation (62 citations)
  • Communication: The origin of rotational enhancement effect for the reaction of H2O+ + H2 (D2) (32 citations)
  • The translational, rotational, and vibrational energy effects on the chemical reactivity of water cation H2O+(X 2B1) in the collision with deuterium molecule D2. (27 citations)

Best Publications

  • State-Selected and State-to-State Ion−Molecule Reaction Dynamics

    Cheuk-Yiu Ng

  • On the Enthalpy of Formation of Hydroxyl Radical and Gas-Phase Bond Dissociation Energies of Water and Hydroxyl

    Branko Ruscic;Albert F. Wagner;Lawrence B. Harding;Robert L. Asher

  • Vacuum ultraviolet photoionization and photodissociation of molecules and clusters

    Cheuk-Yiu Ng

  • Performance of the vacuum ultraviolet high-resolution and high-flux beamline for chemical dynamics studies at the Advanced Light Source

    P. A. Heimann;M. Koike;C. W. Hsu;D. Blank

  • H 2 + (X,v + =0~15,N + =1)+Heプロトン移動反応のパルス電界イオン化光電子二次イオンコインシデンス研究

    X N Tang;H Xu;T Zhang;Y Hou

  • VACUUM ULTRAVIOLET SPECTROSCOPY AND CHEMISTRY BY PHOTOIONIZATION AND PHOTOELECTRON METHODS

    Cheuk-Yiu Ng

  • Photoionization of dimeric polyatomic molecules: Proton affinities of H2O and HF

    C. Y. Ng;D. J. Trevor;P. W. Tiedemann;S. T. Ceyer

  • Development of a supersonic O(3PJ), O(1D2) atomic oxygen nozzle beam source

    Steven J. Sibener;Richard J. Buss;Cheuk Yiu Ng;Yuan T. Lee

  • Improved potentials for Ne + Ar, Ne + Kr, and Ne + Xe

    C. Y. Ng;Y. T. Lee;J. A. Barker

  • Unimolecular and bimolecular ion-molecule reaction dynamics

    C. Y. Ng;Tomas Baer;Ivan Powis

  • High resolution laser photoionization and photoelectron studies

    Ivan Powis;Tomas Baer;C. Y. Ng

  • Photoionization studies of the Kr2 and Ar2 van der Waals molecules

    C. Y. Ng;D. J. Trevor;B. H. Mahan;Y. T. Lee

  • MOLECULAR BEAM PHOTOIONIZATION STUDY OF CARBON DISULFIDE, CARBON DISULFIDE DIMER AND CLUSTERS

    Y. Ono;S. H. Linn;H. F. Prest;M. E. Gress

  • Combining Theory with Experiment: Assessment of the Thermochemistry of SFn, SFn+, and SFn-, n = 1-6

    Y. S. Cheung;Yu-Ju Chen;C. Y. Ng;See-Wing Chiu

  • High-resolution pulsed field ionization photoelectron–photoion coincidence study of CH4: Accurate 0 K dissociation threshold for CH3+

    Karl-Michael Weitzel;Marcus Malow;G. K. Jarvis;Tomas Baer

  • A high resolution photoionization study of Ne and Ar: Observation of mass analyzed threshold ions using synchrotron radiation and direct current electric fields

    C. W. Hsu;K. T. Lu;M. Evans;Yu-Ju Chen

  • Photoionization studies of the diatomic heteronuclear rare gas molecules XeKr, XeAr, and KrAr

    C. Y. Ng;P. W. Tiedemann;B. H. Mahan;Y. T. Lee

  • The structure, energetics and dynamics of organic ions

    Tomas Baer;C. Y. Ng;Ivan Powis

  • A time-dependent wave-packet quantum scattering study of the reaction H2+(v = 0-2,4,6;j = 1) + He--> HeH+ + H.

    Tian-Shu Chu;Rui-Feng Lu;Ke-Li Han;X.-N. Tang

  • Photoion-photoelectron coincidence spectroscopy of the transient molecules SO and S2O

    K. Norwood;C.Y. Ng

  • A 193 nm laser photofragmentation time‐of‐flight mass spectrometric study of CS2 and CS2 clusters

    W.‐B. Tzeng;H.‐M. Yin;W.‐Y. Leung;J.‐Y. Luo

Frequent Co-Authors

Tomas Baer
Tomas Baer University of North Carolina at Chapel Hill
Yu-Ju Chen
Yu-Ju Chen Academia Sinica
Qing-Zhu Yin
Qing-Zhu Yin University of California, Davis
Yuan T. Lee
Yuan T. Lee Academia Sinica
Yuan-Pern Lee
Yuan-Pern Lee Academia Sinica
Arthur G. Suits
Arthur G. Suits University of Missouri
Roger C. Wiens
Roger C. Wiens Los Alamos National Laboratory
Musahid Ahmed
Musahid Ahmed Lawrence Berkeley National Laboratory
Fei Qi
Fei Qi Shanghai Jiao Tong University
Pavel Rosmus
Pavel Rosmus Gustave Eiffel University

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