IBM System Storage Ideas Portal


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Status Submitted
Workspace Storage Copy Data Management
Created by Guest
Created on Nov 14, 2026

RELATED IDEAS

PCET Quantum-Tunneling Layer-by-Layer Assembly for Selective Ion Sensors

PROBLEM: A layer-by-layer sensor film can place a biosorbent layer beside a proton-conducting layer, but a signal change may come from pH drift, from a competing ion, or from genuine coupled transfer at the target ion. Low-temperature tunneling can further shift the response in ways a single calibration curve hides. Sensor teams therefore need a record that ties each reading to the exact film build, layer order, and calibration copy in use.

SOLUTION: Storage Copy Data Management would provide versioned copy control for PCET sensor films, retaining each LbL build recipe, calibration set, and field reading as a governed copy with lineage. When a film is rebuilt or recalibrated, the capability would preserve the prior copy rather than overwriting it, so drift and tunneling-related shifts can be traced to a specific stack. It governs sensor data provenance, not sensor accuracy.

EVIDENCE BASIS: DOCUMENTED — PCET couples proton and electron motion, with tunneling at low temperature; DFT predicts surface-group binding preferences; biosorption is validated via batch isotherms (qe = (C0 − Ce)V/m) and Langmuir and Freundlich models. Source: Hohenberg–Kohn 1964; Kohn–Sham 1965; Nobel Prize in Chemistry 1998.

Idea priority Low

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