Hyperfine Interactions

, 238:54 | Cite as

Autonomous sample switcher for Mössbauer spectroscopy

  • J. H. López
  • J. RestrepoEmail author
  • C. A. Barrero
  • J. E. Tobón
  • L. F. Ramírez
  • J. Jaramillo
Part of the following topical collections:
  1. Proceedings of the 15th Latin American Conference on the Applications of the Mössbauer Effect (LACAME 2016), 13-18 November 2016, Panama City, Panama


In this work we show the design and implementation of an autonomous sample switcher device to be used as a part of the experimental set up in transmission Mössbauer spectroscopy, which can be extended to other spectroscopic techniques employing radioactive sources. The changer is intended to minimize radiation exposure times to the users or technical staff and to optimize the use of radioactive sources without compromising the resolution of measurements or spectra. This proposal is motivated firstly by the potential hazards arising from the use of radioactive sources and secondly by the expensive costs involved, and in other cases the short life times, where a suitable and optimum use of the sources is crucial. The switcher system includes a PIC microcontroller for simple tasks involving sample displacement and positioning, in addition to a virtual instrument developed by using LabView. The shuffle of the samples proceeds in a sequential way based on the number of counts and the signal to noise ratio as selection criteria whereas the virtual instrument allows performing} a remote monitoring from a PC via Internet about the status of the spectra and to take control decisions. As an example, we show a case study involving a series of akaganeite samples. An efficiency and economical analysis is finally presented and discussed.


Mössbauer spectroscopy Optimization Virtual instrument Data control Radiation safety 



This work was supported by COLCIENCIAS and the CODI-UdeA projects 2016-10085 of the Group of Magnetism and Simulation and IN645CE of the Group of Solid State Physics, University of Antioquia. Support provided by the Group of Scientific Instrumentation and Microelectronics and the exclusive dedication UdeA program to one of the authors (J.R) is also acknowledged. Thanks to Professor Karen García for providing the akaganeite samples.


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Copyright information

© Springer International Publishing Switzerland 2017

Authors and Affiliations

  1. 1.Group of Magnetism and Simulation, Institute of PhysicsUniversity of AntioquiaMedellínColombia
  2. 2.Group of Solid State Physics, Institute of PhysicsUniversity of AntioquiaMedellínColombia
  3. 3.Group of Scientific Instrumentation and Microelectronics, Institute of PhysicsUniversity of AntioquiaMedellínColombia

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