Technology (3)

~ 5 min

How are QCM results influenced by the lateral distribution of the measured layer?

Here we explain the reasoning behind the uniformity requirement and describe the consequences if it is not fulfilled.

< 4 min

What is the QCM mass sensitivity?

Here we sort out the difference between the theoretical QCM sensitivity and the actual one, and help you assess what the sensitivity in the measurement situation will be.

< 4 min

QCM-D vs SPR - what is the difference?

At first glance, SPR and QCM-D are quite similar. Here we sort out the key differences between them and list examples of when to use which method

~ 3 min

How does QCM-D compare to other QCM:s?

There is a vast range of different QCM:s in the market, and they all seem to provide similar information. Learn more about the differences, and when to use which one.

> 4 min

How does QCM-technology work?

The quartz crystal microbalance, QCM, has been around since the 60’ where it has been used for monitoring of thin-film deposition and characterization of thin films. So how does this technology work?

> 4 min

The Sauerbrey equation or viscoelastic modeling? – what happens if you use the wrong method?

Quantifying QCM mass, there are two different approaches to choose from, the Sauerbrey equation or viscoelastic modeling. But what if the wrong method is applied, what happens then? How critical are the consequences? Here we describe what happens if the wrong quantification approach is used.

~ 4 min

Four steps to prevent temperature related problems in QCM measurements

One of the key factors to achieve reliable and reproducible QCM measurements is temperature stability. Here we list the top four factors that will help you eliminate temperature induced artifacts in your QCM data.

~ 6 min

Why are overtones important in QCM?

On the topic of QCM, the different resonance harmonics, i.e., the fundamental and the overtone harmonics, are often subject to discussion. So, what is the deal with the overtones? Are they really needed, and if they are, when and why are they important?

< 5 min

The Sauerbrey equation or Viscoelastic modeling? – how to assess which method to use

You have finished a set of successful QCM experiments, and it is time to analyze the data. Mass and thickness quantification are on the to-do list, and you must decide between the Sauerbrey equation and viscoelastic modeling. Here we present guidelines on how to evaluate which method to use.

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