Li self-diffusion in garnet-type Li<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mn>7</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>La<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>Zr<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>O<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mn>12</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>as probed directly by diffusion-induced<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Li</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>7</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>spin-lattice relaxation NMR spectroscopy
Why this work is in the frame
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Bibliographic record
Abstract
Li self-diffusion in garnet-type Li${}_{7}$La${}_{3}$Zr${}_{2}$O${}_{12}$, crystallizing with tetragonal symmetry at room temperature, is measured by temperature-variable $^{7}\mathrm{Li}$ spin-spin as well as spin-lattice relaxation (SLR) nuclear magnetic resonance (NMR) spectroscopy. The SLR NMR rates which were recorded in both the laboratory and the rotating frame of reference pass through characteristic diffusion-induced rate peaks allowing for the direct determination of Li jump rates ${\ensuremath{\tau}}^{\ensuremath{-}1}$, which can be directly converted into self-diffusion coefficients ${D}_{\mathrm{sd}}$. The NMR results are compared with those obtained from electrical impedance spectroscopy measurements carried out in a large temperature and wide frequency range. Taken together, the long-range diffusion process, being mainly responsible for ionic conduction at ambient temperature, is characterized by an activation energy of approximately 0.5 eV, with ${\ensuremath{\tau}}_{0}^{\ensuremath{-}1}\ensuremath{\approx}1\ifmmode\times\else\texttimes\fi{}{10}^{14}$ ${\mathrm{s}}^{\ensuremath{-}1}$ being the pre-exponential factor of the underlying Arrhenius relation.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.011 | 0.012 |
| Meta-epidemiology (narrow) | 0.007 | 0.014 |
| Meta-epidemiology (broad) | 0.003 | 0.011 |
| Bibliometrics | 0.004 | 0.008 |
| Science and technology studies | 0.008 | 0.009 |
| Scholarly communication | 0.009 | 0.011 |
| Open science | 0.014 | 0.014 |
| Research integrity | 0.014 | 0.012 |
| Insufficient payload (model declined to judge) | 0.613 | 0.017 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it