Stern-Gerlach deflection of cryogenically cold polyatomic molecules in superfluid nanodroplets
Fuente:
arXiv
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866916892206170112 |
|---|---|
| author | Kamerin, Benjamin S. Villers, Thomas H. Niman, John W. Liang, Jiahao Dominguez, Angel I. Pena Kresin, Vitaly V. |
| author_facet | Kamerin, Benjamin S. Villers, Thomas H. Niman, John W. Liang, Jiahao Dominguez, Angel I. Pena Kresin, Vitaly V. |
| contents | Beam deflection is capable of providing valuable information about the magnetic moments of molecules and clusters as well as the relaxation dynamics of their spins. However, observations have been hampered by magnetic couplings to excited vibrational and rotational states of polyatomic systems, which are challenging to control, characterize, and systematize. In this work, we carried out deflection measurements on superfluid helium nanodroplets doped with high-spin FeCl2 and CoCl2 molecules and their complexes. This enabled quantitative determination of the magnetic moments of molecules and clusters at extremely low, and fully defined, temperature of all of their degrees of freedom. The spin magnetic moments become thermalized and oriented along the applied field. Dimers and trimers are found to be antiferromagnetically ordered. The issue of rates and mechanisms of molecular spin relaxation within the cryogenic helium matrix is highlighted. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_20785 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Stern-Gerlach deflection of cryogenically cold polyatomic molecules in superfluid nanodroplets Kamerin, Benjamin S. Villers, Thomas H. Niman, John W. Liang, Jiahao Dominguez, Angel I. Pena Kresin, Vitaly V. Atomic and Molecular Clusters Mesoscale and Nanoscale Physics Quantum Gases Chemical Physics Beam deflection is capable of providing valuable information about the magnetic moments of molecules and clusters as well as the relaxation dynamics of their spins. However, observations have been hampered by magnetic couplings to excited vibrational and rotational states of polyatomic systems, which are challenging to control, characterize, and systematize. In this work, we carried out deflection measurements on superfluid helium nanodroplets doped with high-spin FeCl2 and CoCl2 molecules and their complexes. This enabled quantitative determination of the magnetic moments of molecules and clusters at extremely low, and fully defined, temperature of all of their degrees of freedom. The spin magnetic moments become thermalized and oriented along the applied field. Dimers and trimers are found to be antiferromagnetically ordered. The issue of rates and mechanisms of molecular spin relaxation within the cryogenic helium matrix is highlighted. |
| title | Stern-Gerlach deflection of cryogenically cold polyatomic molecules in superfluid nanodroplets |
| topic | Atomic and Molecular Clusters Mesoscale and Nanoscale Physics Quantum Gases Chemical Physics |
| url | https://arxiv.org/abs/2506.20785 |