Evaluation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mi>CuO</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>plane hole doping in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mi>YBa</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Cu</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mrow><mml:mn>6</mml:mn><mml:mo>+</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>single crystals
Why this work is in the frame
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Bibliographic record
Abstract
The electron hole concentration $p$ in the ${\mathrm{CuO}}_{2}$ planes of ${\mathrm{YBa}}_{2}{\mathrm{Cu}}_{3}{\mathrm{O}}_{6+x}$ (YBCO) has been evaluated using the unit cell length in the $c$ direction together with a simple estimation for $p$ in the chain oxygen-ordered phases. The empirical relationship between $p$ and $c$ obtained allows the calculation of $p$ from the $c$-axis lattice parameter for the entire doping range of YBCO. It is also suggested that the empirical parabola describing the relationship between ${T}_{c}$ and $p$ in ${\mathrm{La}}_{2\ensuremath{-}x}{\mathrm{Sr}}_{x}{\mathrm{CuO}}_{4}$ is reasonably correct for YBCO except for the region around $p=1∕8\phantom{\rule{0.3em}{0ex}}(x=0.67)$, where the ${T}_{c}$ of YBCO is suppressed by as much as $17\phantom{\rule{0.3em}{0ex}}\mathrm{K}$. A plot of $p$ vs $x$ and a correction of the parabola for the $p=1∕8$ effect are presented, allowing convenient determination of $p$ from $x$ and ${T}_{c}$.
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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 | 0.009 | 0.005 |
| Meta-epidemiology (narrow) | 0.004 | 0.009 |
| Meta-epidemiology (broad) | 0.002 | 0.009 |
| Bibliometrics | 0.002 | 0.006 |
| Science and technology studies | 0.006 | 0.007 |
| Scholarly communication | 0.006 | 0.009 |
| Open science | 0.009 | 0.008 |
| Research integrity | 0.008 | 0.008 |
| Insufficient payload (model declined to judge) | 0.617 | 0.009 |
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