Results 51 to 60 of about 110,450 (295)

Asian dust input in the western Philippine Sea: Evidence from radiogenic Sr and Nd isotopes [PDF]

open access: yes, 2013
The radiogenic strontium (Sr) and neodymium (Nd) isotope compositions of the detrital fraction of surface and subsurface sediments have been determined to trace sediment provenance and contributions from Asian dust off the east coast of Luzon Islands in ...
An   +87 more
core   +1 more source

Trap‐Assisted Transport and Neuromorphic Plasticity in Lead‐Free 2D Perovskites PEA2SnI4

open access: yesAdvanced Functional Materials, EarlyView.
An artificial retina built from lead‐free layered perovskite (PEA)2SnI4 converts light input into a persistent photocurrent and sums successive flashes over time. Micro/nanocrystals integrated on electrodes act as synapse‐like pixels that perform temporal integration directly in hardware. This in‐sensor preprocessing merges detection and computation on
Ofelia Durante   +17 more
wiley   +1 more source

Absolute frequency measurements on the 5s5p^{3}P_{0} → 5s6d^{3}D_{1} transition in strontium

open access: yesPhysical Review Research
We report the first absolute frequency measurements for the 5s5p^{3}P_{0}→5s6d^{3}D_{1} transition at 394 nm for all the stable strontium isotopes by utilizing repumping induced spectroscopy in a magneto-optical trap.
S. Zhang   +4 more
doaj   +1 more source

Sr ISOTOPIC EVIDENCE FOR STUDYING THE SALINIZATION OF SOILS: AN EXAMPLE FROM THE SAN VITALE PINEWOOD (RAVENNA)

open access: yesEQA, 2009
In the frame of a multidisciplinary project of research on the San Vitale Pinewood ecosystem, north of Ravenna, the Sr isotope study of a soil profile developed on an old coastal dune aiming at detecting the effect of salinization is presented.
Umberto Masi, Francesca Castorina
doaj   +1 more source

Using 87Sr/86Sr LA-MC-ICP-MS Transects within Modern and Ancient Calcite Crystals to Determine Fluid Flow Events in Deep Granite Fractures

open access: yesGeosciences, 2020
The strontium isotope signature (87Sr/86Sr) of calcite precipitated in rock fractures and faults is a frequently used tool to trace paleofluid flow.
Henrik Drake   +2 more
doaj   +1 more source

Determination of Sr–Nd–Pb Isotopic Ratios of Rock Reference Materials Using Column Separation Techniques and TIMS

open access: yesSeparations, 2021
Thermal ionization mass spectrometry (TIMS) can provide highly accurate strontium (Sr), neodymium (Nd), and lead (Pb) isotope measurements for geological and environmental samples.
Hui Je Jo   +4 more
doaj   +1 more source

Test of Einstein Equivalence Principle for 0-spin and half-integer-spin atoms: Search for spin-gravity coupling effects

open access: yes, 2014
We report on a conceptually new test of the equivalence principle performed by measuring the acceleration in Earth's gravity field of two isotopes of strontium atoms, namely, the bosonic $^{88}$Sr isotope which has no spin vs the fermionic $^{87}$Sr ...
Mazzoni, T.   +5 more
core   +1 more source

Artificial Intelligence‐Assisted Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling

open access: yesAdvanced Materials, EarlyView.
AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll   +19 more
wiley   +1 more source

Equilibrium Fractionation of Stable Strontium Isotopes During Adsorption to Mn Oxides

open access: yesGeochemistry, Geophysics, Geosystems
Understanding the stable strontium isotope fractionation between seawater and ferromanganese crusts/nodules is crucial for reconstructing seawater Sr isotopic history.
Ben Liu   +4 more
doaj   +1 more source

Lombards on the move--an integrative study of the migration period cemetery at Szólád, Hungary. [PDF]

open access: yesPLoS ONE, 2014
In 2005 to 2007 45 skeletons of adults and subadults were excavated at the Lombard period cemetery at Szólád (6th century A.D.), Hungary. Embedded into the well-recorded historical context, the article presents the results obtained by an integrative ...
Kurt W Alt   +15 more
doaj   +1 more source

Home - About - Disclaimer - Privacy