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We thoroughly investigate vibrational quantum dynamics of dimers attached to He droplets motivated by recent measurements with K-2 [1]. For those femtosecond pump-probe experiments, crucial observed features are not reproduced by gas phase…

Chemical Physics · Physics 2012-03-15 Martin Schlesinger , Walter. T. Strunz

The dynamics following the photoexcitation of Na and Li atoms located on the surface of helium nanodroplets has been investigated in a joint experimental and theoretical study. Photoelectron spectroscopy has revealed that excitation of the…

Atomic and Molecular Clusters · Physics 2017-08-23 Alberto Hernando , Manuel Barranco , Martí Pi , Evgeniy Loginov , Marina Langlet , Marcel Drabbels

The dynamics of vibrational wave packets in triplet states of rubidium dimers (Rb2) formed on helium nanodroplets are studied using femtosecond pump-probe photoionization spectroscopy. Due to fast desorption of the excited Rb2 molecules off…

Atomic and Molecular Clusters · Physics 2011-12-19 M. Mudrich , Ph. Heister , T. Hippler , Ch. Giese , O. Dulieu , F. Stienkemeier

The dynamics of vibrational wave packets excited in K$_2$ dimers attached to superfluid helium nanodroplets is investigated by means of femtosecond pump-probe spectroscopy. The employed resonant three-photon-ionization scheme is studied in…

Atomic and Molecular Clusters · Physics 2009-11-11 P. Claas , G. Droppelmann , C. P. Schulz , M. Mudrich , F. Stienkemeier

Superfluid helium nanodroplets are often considered as transparent and chemically inert nanometer-sized cryo-matrices for high-resolution or time-resolved spectroscopy of embedded molecules and clusters. On the other hand, when the helium…

The vibrational wave-packet dynamics of diatomic rubidium molecules (Rb2) in triplet states formed on the surface of superfluid helium nanodroplets is investigated both experimentally and theoretically. Detailed comparison of experimental…

Atomic and Molecular Clusters · Physics 2017-09-13 Barbara Grüner , Martin Schlesinger , Philipp Heister , Walter T. Strunz , Frank Stienkemeier , Marcel Mudrich

Using molecular dynamics simulations and methods of importance sampling, we study the thermodynamics and dynamics of sodium chloride in the aqueous premelting layer formed spontaneously at the interface between ice and its vapor. We uncover…

Statistical Mechanics · Physics 2020-12-21 Samuel P. Niblett , David T. Limmer

Femtosecond pump-probe spectroscopy has been used to study vibrational dynamics of potassium dimers attached to superfluid helium nanodroplets. Comparing the measured data with theoretical results based on dissipative quantum dynamics we…

Atomic and Molecular Clusters · Physics 2009-09-28 Martin Schlesinger , Marcel Mudrich , Frank Stienkemeier , Walter T. Strunz

Adiabatic potential energy curves of the $^1\Sigma^+$ and $^1\Pi$ states of the LiH molecule have been calculated. They correlate asymptotically to atomic states, like 2s+1s, 2p+1s, 3s+1s, 3p+1s, 3d+1s, 4s+1s, 4p+1s and 4d+1s. Very good…

Chemical Physics · Physics 2017-10-11 P. Jasik , J. E. Sienkiewicz , J. Domsta , N. E. Henriksen

The dynamics of vibrational wave packets excited in Na2 dimers in the triplet ground and excited states is investigated by means of helium nanodroplet isolation (HENDI) combined with femtosecond pump-probe spectroscopy. Different pathways…

Atomic and Molecular Clusters · Physics 2016-09-28 Patrick Claas , Georg Droppelmann , Claus-Peter Schulz , Marcel Mudrich , Frank Stienkemeier

The relaxation dynamics of superexcited superfluid He nanodroplets is thoroughly investigated by means of extreme-ultraviolet (XUV) femtosecond electron and ion spectroscopy complemented by time-dependent density functional theory (TDDFT).…

In lithium ion batteries, Li+ intercalation and processes associated with passivation of electrodes are governed by applied voltages, which are in turn associated with free energy changes of Li+ transfer (Delta G_t) between the solid and…

Materials Science · Physics 2013-12-11 Kevin Leung , Craig M. Tenney

We use transient absorption spectroscopy to monitor the ionization and dissociation products following two-photon excitation of pure liquid water. The two decay mechanisms occur with similar yield for an excitation energy of 9.3 eV, whereas…

Chemical Physics · Physics 2009-11-13 Christopher G. Elles , Ilya A. Shkrob , Robert A. Crowell , Stephen E. Bradforth

The real-time dynamics of photoexcited and photoionized rubidium (Rb) atoms attached to helium (He) nanodroplets is studied by femtosecond pump-probe mass spectrometry. While excited Rb atoms in the perturbed 6p-state (Rb*) desorb off the…

Atomic and Molecular Clusters · Physics 2020-11-09 J. von Vangerow , O. John , andF. Stienkemeier , M. Mudrich

The autoionization dynamics of superexcited superfluid He nanodroplets doped with Na atoms is studied by extreme-ultraviolet (XUV) time-resolved electron spectroscopy. Following excitation into the higher-lying droplet absorption band, the…

High pressure and high temperature properties of AB (A = $^6$Li, $^7$Li; B = H, D, T) are investigated with first-principles method comprehensively. It is found that the H$^{-}$ sublattice features in the low-pressure electronic structure…

Materials Science · Physics 2016-11-07 Yang M. Chen , Xiang R. Chen , Qiang Wu , Hua Y. Geng , Xiao Z. Yan , Yi X. Wang , Zi W. Wang

Li+ transport within a solid electrolyte interphase (SEI) in lithium ion batteries has challenged molecular dynamics (MD) studies due to limited compositional control of that layer. In recent years, experiments and ab initio simulations…

Chemical Physics · Physics 2018-01-29 Ajay Muralidharan , Mangesh I. Chaudhari , Lawrence R. Pratt , Susan B. Rempe

Molecular dynamics simulations were employed to study the wetting behavior of nanoscale aqueous hydrophilic and hydrophobic Imidazolium based ionic liquid (IL) droplets on a solid graphite substrate subjected to the perpendicular electric…

Soft Condensed Matter · Physics 2020-12-09 Sanchari Bhattacharjee , Sandip Khan

The solvation process of an alkali ion (Na$^+$, K$^+$, Rb$^+$, Cs$^+$) inside a superfluid $^4$He$_{2000}$ nanodroplet is investigated theoretically using liquid $^4$He time-dependent density functional theory at zero temperature. We…

Atomic and Molecular Clusters · Physics 2025-07-22 Ernesto García-Alfonso , Manuel Barranco , Martí Pi , Nadine Halberstadt

Recently, it was shown how the primary steps of solvation of a single Na$^+$ ion, instantly created at the surface of a nanometer-sized droplet of liquid helium, can be followed at the atomic level [Albrectsen et al. Nature $\textbf{623}$,…

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