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Journals

Direct detection of the ∼ 8.4 eV internal conversion energy of 229mTh embedded in a superconducting nanowire

Author(s)
Galen O'Neil, Kjeld Beeks, Eric Hudson, David Ray Leibrandt, Marion Mallweger, Sae Woo Nam, Sayan Patra, Gil Porat, Dileep Venkatarama Reddy, Thorsten Schumm, Stephen Schoun, Benedict Seiferle, Christian Schneider, Lars von der Wense, Peter Thirolf, Varun Verma, Jun Ye, Chuankun Zhang
We report on a direct measurement of the ∼ 8.4 eV nuclear excitation energy of the isomeric first excited state 229mTh via the internal conversion (IC) decay...

Ion Coulomb crystals: an exotic form of condensed matter

Author(s)
Giovanna Morigi, John Bollinger, Michael Drewsen, Daniel Podolsky, Efrat Shimshoni
Wigner crystals formed by laser-cooled ions in traps are unconventional condensed matter systems, characterized by interparticle distances of several...

Direct measurement of the 3P0 clock state natural lifetime in 87Sr

Author(s)
Kyle Beloy, Jonathan Dolde, Dhruva Ganapathy, Xin Zheng, Shuo Ma, Shimon Kolkowitz
Optical lattice clocks based on the narrow transition between (5s2)1S0 -(5s5p)3P0 levels in neutral strontium (Sr) are among the most precise and accurate...

Kelvin probe force microscopy under ambient conditions

Author(s)
Amirhossein Zahmatkeshsaredorahi, Ruben Millan-Solsona, Devon Jakob, Liam Collins, Xiaoji Xu
Kelvin Probe Force Microscopy (KPFM), a technique derived from Atomic Force Microscopy (AFM), provides nanometer-scale spatial resolution for mapping surface...

Single-molecule biodosimetry

Author(s)
Michael Lamontagne, Shannon Newell, Ileana Pazos, Ronald Tosh, Jerimy Polf, Michael Zwolak, Joseph Robertson
Inferring characteristics of radiation exposure using biological molecules is extremely challenging and current methods lack a direct connection between dose...

Measurement quality metrics to improve absolute microbial cell counting

Author(s)
Kirsten Parratt, David Newton, Joy Dunkers, Jennifer Dootz, Monique Hunter, Alshae Logan, Laura Pierce, Sumona Sarkar, Stephanie Servetas, Nancy Lin
Total and viable microbial cell counts are increasingly important for applications including live biotherapeutic products, food safety, and probiotics. In...

Quantum Vibro-Polaritonic Sensing

Author(s)
Peng Zheng, Stephen Semancik, Ishan Barman
Vibrational spectroscopies are pivotal in analytical methods and biomedical diagnostics owing to their singular ability to provide molecular specificity. Yet...

Interfacial Alloying Contributions to the Magnetic Proximity Effect in Pt/Dysprosium Iron Garnet

Author(s)
Miela J. Gross, Javier Herrero-Martin, Sergio Valencia, Alexander Grutter, Julie Borchers, Yongseong Choi, Gilberto Fabbris, Allison Kaczmarek, Alexander E. Kossak, Jackson Bauer, Subhajit Kundu, Supriya Ghosh, K. A. Mkhoyan, Angela Wittmann, Caroline A. Ross
The magnetic proximity effect (MPE) plays an important role in the behavior of heavy-metal (HM)/ferro- or ferrimagnet thin film heterostructures, but for HM...

Fully transparent GaN/InGaN LED as a position sensitive detector

Author(s)
Christine McGinn, Keith Behrman, Emily Bittle, Pragya Shrestha, Qingyuan Zeng, Vikrant Kumar, Christina Hacker, Ioannis Kymissis
Commercial imaging technologies have an increasing need for an accurate, in-situ beam locator to ensure laser alignment during operation. In this work, gallium...

Collision Induced Absorption in HITRAN2024: Enhanced and Improved Data for Atmospheric and Planetary Studies

Author(s)
J. Terragni, I.E. Gordon, Erin Adkins, C. Boulet, A. Campargue, D. Chistikov, A. Finenko, H. Finkenzeller, H. Fleurbaey, R. J. Hargreaves, R.K. Hanson, J.-M. Hartmann, A. Klingberg, E. Kohler, A. O. Koroleva, D. Mondelain, G. Piccioni, S. Stefani, C. L. Strand, H. Tran, M. Turbet, A. Vigasin, F. Vitali, R. Volkamer, C. Wei
Collision-Induced Absorption (CIA) phenomena play a key role in the atmospheric energy balance, making their accurate parametrization a decisive factor in...
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