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PreprintarXiv licencearXiv

Improved Threshold for Particle-Induced Magnetic Avalanche in Single-Molecule Magnets Using Fe8 Molecule

  • Bailey Kohn
  • Rupak Mahapatra
  • Ivan Borzenets
  • Lok Raj Pant
  • Amis Sharma
  • Tom Melia
  • Michael Nippe
  • Anna Schmautz
  • Surjeet Rajendran
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Abstract

Extending the original work on the development of a magnetic avalanche detector using Mn12-ac single-molecule magnet (SMM), we report the results on a significantly lower threshold magnetic avalanche detector using Fe8 SMM. Fe8 has an order of magnitude smaller relaxation time that is expected to produce at least 3 orders of magnitude lower avalanche threshold compared to Mn12-ac. We confirm this experimentally through the detection of gamma particles with energy at least two orders of magnitude lower than the original Mn12-ac detection demonstrated using alpha particles, limited by the experimentally available radiation source. The true threshold of avalanche may be significantly lower and will be explored with lower energy x-rays and potentially infrared photons.

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Cite

BibTeXRIS
BibTeX
@misc{kohn2026improved,
  title = {{Improved Threshold for Particle-Induced Magnetic Avalanche in Single-Molecule Magnets Using Fe$_8$ Molecule}},
  author = {Bailey Kohn and Rupak Mahapatra and Ivan Borzenets and Lok Raj Pant and Amis Sharma and Tom Melia and Michael Nippe and Anna Schmautz and Surjeet Rajendran},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.00360},
  eprint = {2609.00360},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.00360},
}
RIS
TY  - UNPB
TI  - Improved Threshold for Particle-Induced Magnetic Avalanche in Single-Molecule Magnets Using Fe_8 Molecule
AU  - Bailey Kohn
AU  - Rupak Mahapatra
AU  - Ivan Borzenets
AU  - Lok Raj Pant
AU  - Amis Sharma
AU  - Tom Melia
AU  - Michael Nippe
AU  - Anna Schmautz
AU  - Surjeet Rajendran
PY  - 2026
DA  - 2026/09/01
PB  - arXiv
DO  - 10.48550/arxiv.2609.00360
UR  - https://arxiv.org/abs/2609.00360
AB  - Extending the original work on the development of a magnetic avalanche detector using Mn_12-ac single-molecule magnet (SMM), we report the results on a significantly lower threshold magnetic avalanche detector using Fe_8 SMM. Fe_8 has an order of magnitude smaller relaxation time that is expected to produce at least 3 orders of magnitude lower avalanche threshold compared to Mn_12-ac. We confirm this experimentally through the detection of gamma particles with energy at least two orders of magnitude lower than the original Mn_12-ac detection demonstrated using alpha particles, limited by the experimentally available radiation source. The true threshold of avalanche may be significantly lower and will be explored with lower energy x-rays and potentially infrared photons.
ER  -