Climate Archives ; Laser Ablation; Accelerator Mass Spectrometry; Radiocarbon; Carbonates; Gas Ion Source
Andrews Allen H., Yeman Christiane, Welte Caroline, Hattendorf Bodo, Wacker Lukas, Christl Marcus (2019), Laser ablation–accelerator mass spectrometry reveals complete bomb 14C signal in an otolith with confirmation of 60-year longevity for red snapper (Lutjanus campechanus), in Marine and Freshwater Research
, 70(12), 1768-1768.
Welte Caroline, Wacker Lukas, Hattendorf Bodo, Christl Marcus, Koch Joachim, Yeman Christiane, Breitenbach Sebastian F. M., Synal Hans-Arno, Günther Detlef (2017), Optimizing the analyte introduction for 14 C laser ablation-AMS, in Journal of Analytical Atomic Spectrometry
, 32(9), 1813-1819.
Welte Caroline, Wacker Lukas, Hattendorf Bodo, Christl Marcus, Fohlmeister Jens, Breitenbach Sebastian F. M., Robinson Laura F., Andrews Allen H., Freiwald André, Farmer Jesse R., Yeman Christiane, Synal Hans-Arno, Günther Detlef (2016), Laser Ablation – Accelerator Mass Spectrometry: An Approach for Rapid Radiocarbon Analyses of Carbonate Archives at High Spatial Resolution, in Analytical Chemistry
, 88(17), 8570-8576.
Welte C, Wacker L, Hattendorf B, Christl M, Koch J, Synal H-A, Günther D (2016), Novel Laser Ablation Sampling Device for the Rapid Radiocarbon Analysis of Carbonate Samples by Accelerator Mass Spectrometry, in Radiocarbon
, 58(2), 419-435.
Yeman Christiane, Christl Marcus, Hattendorf Bodo, Wacker Lukas, Welte Caroline, Brehm Nicolas, Synal Hans-Arno, UNRAVELLING QUASI-CONTINUOUS 14C PROFILES BY LASER ABLATION AMS, in Radiocarbon
Only recently, laser ablation (LA) has been applied for the first time for gaseous CO2 sample introduction into a negative gas ion source (GIS) of an accelerator mass spectrometer (AMS) in order to facilitate rapid and spatially resolved radiocarbon analyses. The novel sample introduction system (LA-AMS) has been developed by two ETH Zurich research groups and merges the very high spatial resolution of LA with the enormous sensitivity of AMS. It therefore allows efficient and precise radiocarbon measurements of natural samples at unprecedented spatial resolution. The direct coupling of the LA with AMS additionally offers a vastly reduced sample preparation and significantly higher sample throughput. The main goal of this proposal is to further optimize and apply the newly developed LA system for highly resolved in-situ AMS measurements of C-14 in carbonates. The new LA-AMS system will be implemented in the routine setup for AMS of C-14 and its unique capabilities will be exploited in selected applications that demand for highest spatial resolution.