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Rotational coherence of encapsulated ortho and para water in fullerene-C 60 revealed by time-domain terahertz spectroscopy.

التفاصيل البيبلوغرافية
العنوان: Rotational coherence of encapsulated ortho and para water in fullerene-C 60 revealed by time-domain terahertz spectroscopy.
المؤلفون: Zhukov SS; Moscow Institute of Physics and Technology, Moscow, Russia., Balos V; Fritz-Haber-Institut der MPG, Berlin, Germany., Hoffman G; School of Chemistry, University of Southampton, Southampton, UK., Alom S; School of Chemistry, University of Southampton, Southampton, UK., Belyanchikov M; Moscow Institute of Physics and Technology, Moscow, Russia., Nebioglu M; 1. Physikalisches Institut, Universität Stuttgart, Stuttgart, Germany., Roh S; 1. Physikalisches Institut, Universität Stuttgart, Stuttgart, Germany., Pronin A; 1. Physikalisches Institut, Universität Stuttgart, Stuttgart, Germany., Bacanu GR; School of Chemistry, University of Southampton, Southampton, UK., Abramov P; Moscow Institute of Physics and Technology, Moscow, Russia., Wolf M; Fritz-Haber-Institut der MPG, Berlin, Germany., Dressel M; Moscow Institute of Physics and Technology, Moscow, Russia.; 1. Physikalisches Institut, Universität Stuttgart, Stuttgart, Germany., Levitt MH; School of Chemistry, University of Southampton, Southampton, UK., Whitby RJ; School of Chemistry, University of Southampton, Southampton, UK., Gorshunov B; Moscow Institute of Physics and Technology, Moscow, Russia. bpgorshunov@gmail.com., Sajadi M; Fritz-Haber-Institut der MPG, Berlin, Germany. sajadi@fhi-berlin.mpg.de.; Department of Chemistry, University of Paderborn, Paderborn, Germany. sajadi@fhi-berlin.mpg.de.
المصدر: Scientific reports [Sci Rep] 2020 Oct 27; Vol. 10 (1), pp. 18329. Date of Electronic Publication: 2020 Oct 27.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: PubMed not MEDLINE; MEDLINE
أسماء مطبوعة: Original Publication: London : Nature Publishing Group, copyright 2011-
مستخلص: We resolve the real-time coherent rotational motion of isolated water molecules encapsulated in fullerene-C 60 cages by time-domain terahertz (THz) spectroscopy. We employ single-cycle THz pulses to excite the low-frequency rotational motion of water and measure the subsequent coherent emission of electromagnetic waves by water molecules. At temperatures below ~ 100 K, C 60 lattice vibrational damping is mitigated and the quantum dynamics of confined water are resolved with a markedly long rotational coherence, extended beyond 10 ps. The observed rotational transitions agree well with low-frequency rotational dynamics of single water molecules in the gas phase. However, some additional spectral features with their major contribution at ~2.26 THz are also observed which may indicate interaction between water rotation and the C 60 lattice phonons. We also resolve the real-time change of the emission pattern of water after a sudden cooling to 4 K, signifying the conversion of ortho-water to para-water over the course of 10s hours. The observed long coherent rotational dynamics of isolated water molecules confined in C 60 makes this system an attractive candidate for future quantum technology.
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معلومات مُعتمدة: DR228/61-1 Deutsche Forschungsgemeinschaft; EP/P009980/1, EP/T004320/1 and EP/M001962/1. EPSRC-UK; EP/P009980/1, EP/T004320/1 and EP/M001962/1. EPSRC-UK
تواريخ الأحداث: Date Created: 20201028 Latest Revision: 20240330
رمز التحديث: 20240330
مُعرف محوري في PubMed: PMC7592058
DOI: 10.1038/s41598-020-74972-3
PMID: 33110105
قاعدة البيانات: MEDLINE
الوصف
تدمد:2045-2322
DOI:10.1038/s41598-020-74972-3