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Abstract S is adsorbed on Pd(111) from the gas phase using H 2 S as ‘carrier’ gas. After adsorption at room temperature a ( 3 × 3 ) R 30° LEED pattern is observed. Using STM coexisting ( 3 × 3 ) R… (More)

Scattering spectra from X-ray, electron or neutron diffraction experiments are sufficient to describe the phase behaviour of noble gas clusters and to determine their temperature. Using classical… (More)

Recursion formulas are derived for Fermi–Dirac and Bose–Einstein statistical partition functions for systems where the energy can be written as a sum of one particle energies. Thus, their exact… (More)

We present a detailed description of a classification scheme for phase transitions in finite systems based on the distribution of Fisher zeros of the canonical partition function in the complex… (More)

A simple model for the structural fluctuations, isomerizations, and phase transitions of small rare‐gas clusters is defined (multinormal‐model) which studies the statistical equilibrium of several… (More)

We use the path integral Monte Carlo method to investigate the interplay between shell effects and electron correlations in single quantum dots with up to 12 electrons. By use of an energy estimator… (More)

- Rainer Dierkesmann, Ingo Dobbertin, Peter Borrmann
- Bildgebung = Imaging
- 1992

- Heinrich Stamerjohanns, Oliver Mülken, Peter Borrmann
- Physical review letters
- 2002

We present an analysis of the thermodynamic properties of small transition-metal clusters and show how the commonly used indicators of phase transitions such as peaks in the specific heat or magnetic… (More)

We derive an exact recursion formula for the calculation of thermodynamic functions of finite systems obeying Bose-Einstein statistics. The formula is applicable for canonical systems where the… (More)