QCM Data Processor

Initializing...

Frequency

Δf trace Step lines

Mass (ng/cm²)

Cumulative ½ Cycle Δm Full Cycle Δm

Thickness (Å)

Cumulative ½ Cycle Δt Full Cycle Δt

X Axis (Time)

Min (s): Max (s):

Y Axis — Frequency

Min: Max:

Y Axis — Mass

Min: Max:

Sauerbrey Equation

Δm/A = −(√(ρ_qμ_q) / 2f₀²) · Δf

Units: Δm/A in ng/cm², Δf in Hz

Crystal Parameters

ρ_q — Quartz Density (g/cm³):

μ_q — Shear Modulus AT-cut (dyne/cm²):

Film Density ρ_f (g/cm³):

Zero Reference (f₀)

Click a point on the Δf plot to snap it here, then press Set.

f₀ = not set Hz

Auto Detection

Threshold: 0.50 Hz/s

Min Step Separation: 5 s

Cycle Pairing

Start cycles on odd steps

Start cycles on even steps

Manual Adjustment

←→ keys move step 1 sample. Shift+←→ moves 10 samples. Tab/Shift+Tab to navigate.

Cycle Averaging Range

Start Cycle: End Cycle:

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Step Analysis Table

Step #	Time (s)	Freq (Hz)	½ Cycle Δm (ng/cm²)	½ Cycle Δt (Å)	Cycle #	Full Cycle Δm (ng/cm²)	Full Cycle Δt (Å)