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Discover LudwigThe phrase "a red shift" is correct and usable in written English.
It is typically used in the context of astronomy to describe the phenomenon where light from an object is shifted to longer wavelengths, indicating that the object is moving away from the observer.
Example: "The astronomers observed a significant red shift in the light from the distant galaxy, suggesting it was receding from us."
Alternatives: "a redshift" or "a shift towards red wavelengths."
Exact(57)
A red shift is passed around.
Such a red shift confirms intercalation.
Otherwise, the absorption peak has a red shift.
Photoelectrochemical measurements evidenced a red shift of the light absorption threshold due to N incorporation.
The optical bandgap showed a red shift with increase in RO2.
This transition energy shows a red shift when the doped DQWs are coupled (Lb = 2 nm).
A red shift of 74 nm in peak absorbance wavelength is observed for this concentration range.
A red shift about 45 nm was achieved when Zn2+ concentration is 100 μM.
Similar(3)
A "red-shift" of the PL peak is also found.
The introduction of an electron-withdrawing group led to a red-shift of the emission maximum.
The change in cavity length leads to a red-shift of the cavity resonance wavelength.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com