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Mimea package for SPM 150 Aarhus

The Nanonis Mimea SPM control system combines exceptional signal quality, high speed and a flexible, powerful and user-friendly software interface.

The configuration for the SPM 150 Aarhus is designed to maximize the performance of the extremely stable and fast SPM 150 Aarhus platform, and adds ncAFM capability with the Kolibri Sensor to that instrument.

As a fully digital system, all analog signals in the Nanonis Mimea SPM Control System are converted immediately into the digital domain, where all signal processing is performed. This makes them essentially immune to external noise and crosstalk and ensures the best possible signal quality, which is crucial for SPM applications. In combination with the powerful software package, signal routing, signal monitoring and any operation between signals can be adapted and optimized on the fly with the press of a button instead of adjusting external hardware cabling.

The system handles a very large number of  live signals in real- time. Up to 24 signals can be acquired simultaneously with up to 8 additional signals streamed to disk at up to full ADC speed. This very large number of live signals can not only be monitored, but also all signals are displayed as real world numbers in floating- point representation, with assigned SI units for immediate quantitative results, without the need of additional calibrations during data analysis.

For fast scanning and spectroscopy, one of the unique capabilities of the SPM 150 Aarhus, up to 1,000,000 pixels per second can be generated and acquired on up to 8 channels. This makes it possible to acquire extremely highly resolved topography or spectroscopy maps in a significantly shorter time.  With a 64-bit software where memory is no longer a limitation, the only barrier is given by disk space. 

The BP5e base package provides all the functions for STM measurements while the Oscillation Controller (OC4) and the related software modules add dynamic and multifrequency AFM capabilities for the operation of the Kolibri sensor. With an input bandwidth of 5MHz, the OC4 can easily control the Kolibri sensor and it is also perfect as a digital lock-in and signal analyzer (FFT) up to 5 MHz and can be further extended for Kelvin probe applications or customized in LabVIEW with the Nanonis Programming Interface.

The configuration includes a HVA4 high voltage amplifier and the AKAH adaptation kit designe to drive the inchworm motor of the SPM 150 Aarhus

More details about the BP5e can be found below, on the Mimea main page. More details about the OC4 can be found on the Oscillation controller page. More details about the HVA4 and AKAH can be found on the corresponding product pages.


  • Fast scanning and spectroscopy
  • Uncompromising signal quality
  • Direct data streaming to disk
  • Full flexibility for most advanced measurement techniques
  • Plug&Play integration of the SPM 150 Aarhus
  • Future-proof state-of-the-art hardware






  1. (2022) Growing polymers, caught in the act

    Polyethylene is a common plastic with a production rate of ∼100 million tons every year, which corresponds to about one-third of all plastics (1). Most of the polyethylene is created with the help of solid catalysts. These catalysts help link together ethylene molecules, the monomers that make up polyethylene. To better understand the complex reactions that connect the monomers, researchers have mainly focused on the measurements of the formation rate and the composition of the resulting polymer. They have also used spectroscopy to analyze the catalysts, but extracting information about the processes on the individual connection sites, known as active centers, can be challenging. On page 1188 of this issue, Guo et al. (2) present a way to view the processes on the active centers microscopically by using scanning tunneling microscopy (STM) and a model catalyst.

    J. Wintterlin
    Science, 375 (6585), 2022
    Read more
  2. (2021) Understanding Ligand-Directed Heterogeneous Catalysis: When the Dynamically Changing Nature of the Ligand Layer Controls the Hydrogenation Selectivity

    We present a mechanistic study on the formation and dynamic changes of a ligand-based heterogeneous Pd catalyst for chemoselective hydrogenation of α,β-unsaturated aldehyde acrolein. Deposition of allyl cyanide as a precursor of a ligand layer renders Pd highly active and close to 100 % selective toward propenol formation by promoting acrolein adsorption in a desired configuration via the C=O end. Employing a combination of real-space microscopic and in-operando spectroscopic surface-sensitive techniques, we show that an ordered active ligand layer is formed under operational conditions, consisting of stable N-butylimine species. In a competing process, unstable amine species evolve on the surface, which desorb in the course of the reaction. Obtained atomistic-level insights into the formation and dynamic evolution of the active ligand layer under operational conditions provide important input required for controlling chemoselectivity by purposeful surface functionalization.

    C. Schröder, M. C. Schmidt, P. A. Haugg, A. Baumann, J. Smyczek, and Prof. Dr. S. Schauermann
    Angewandte Chemie, Volume60, Issue30
    July 19, 2021
    Pages 16349-16354
    Read more


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