Preparations of PZT Thin Film Capacitors on PtRhO<sub>x</sub> Electrodes With Various Conducting Barriers for High Density Ferroelectric Memories
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Bibliographic record
Abstract
We have investigated the high quality electrode-barriers for Pb(Zr0.35Ti0.65)O3 (PZT) thin film capacitors to contact directly on W-plug for COB (capacitor-over-bit line) structured high density ferroelectric memories (FRAM). A conducting oxide of 40-nm-thickness PtRhOx was used as a fatigue free electrode for PZT capacitors. Various materials, such as Ta, NiCr (Ni with 20 wt% Cr), Cr and PtRh (Pt with 10 wt% Rh), were investigated as conducting oxygen diffusion barriers between PtRhOx bottom electrode and W-plug. It was found that PZT capacitors with Ta-barriers of 30-nm-thickness showed superior thermal stability up to 630°C, whose remanent polarization and coercive field were typically 30 μ C/cm2 and 86 kV/cm, respectively. However, their polarization fatigue behaviors are associated with the oxygen content in PtRhOx electrodes.
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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 | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.004 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
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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