physics

Nanostrain

Nanostrain is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Nanostrain rather than just read about it. In short: Nanostrain was an EU-funded project (EMRP IND54) to characterise piezoelectric materials for future fast digital switch designs. The switching may only need a much lower voltage and be faster with lower power consumption than CMOS.

Key takeaways

Nanostrain belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Nanostrain to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Nanostrain from memory before moving on to harder problems.

Reference excerpt

Nanostrain was an EU-funded project (EMRP IND54) to characterise piezoelectric materials for future fast digital switch designs. The switching may only need a much lower voltage and be faster with lower power consumption than CMOS. Calculations suggest that small PiezoElectronic Transistors (combining piezoelectric and piezoresistive materials) could need much less energy to switch and allow clock speeds of 30 GHz (10 times current CMOS), with a hundred times less power than today’s devices.

Nanostrain consortium The consortium includes many European national institutes and industrial partners, including IBM.

Progress and results Nanostrain was initially funded for 3 years, and included 6 work packages. Some results were reported in 2014.

A final report was published in July 2017, work continues in the EMPIR ADVENT project.

See also Piezotronics – Devices leveraging piezoelectricity Beyond CMOS – Possible future digital logic technologies

References

External links EMRP Nanostrain project at XMaS - for PiezoElectronic Transistor, includes video presentation and interview EMRP project IND54 Nanostrain featured in New Scientist and The Telegraph Aug 2015 - links to traditional news coverage

Worked examples

Example 1 — a first encounter with Nanostrain

Start with the simplest possible case. Write down what Nanostrain claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Nanostrain before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Nanostrain ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Nanostrain

In research: Nanostrain appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Nanostrain in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Nanostrain is common in secondary-school and first-year university syllabi. It links to neighbouring topics Electromagnetism stubs, European Union and science and technology, Research projects, so understanding it makes those chapters shorter.
In everyday life: Look for Nanostrain outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Nanostrain in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Nanostrain means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Nanostrain out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Nanostrain in simple terms?

Why does Nanostrain matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Nanostrain?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Nanostrain.