chemistry

George Christou

George Christou is a chemistry 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 George Christou rather than just read about it. In short: George Christou is a British-American chemist, currently the Drago and Distinguished Professor at the University of Florida, previously the Earl Blough Professor at the Indiana University. He is also an Honorary Professor at London Centre for Nanotechnology.

Key takeaways

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

Reference excerpt

George Christou is a British-American chemist, currently the Drago and Distinguished Professor at the University of Florida, previously the Earl Blough Professor at the Indiana University. He is also an Honorary Professor at London Centre for Nanotechnology. His current interests are in bioinorganic chemistry, materials and nanoscale magnets, and supramolecular and cluster chemistry. He was a pioneer of the field of single-molecule magnets and has been a significant figure in inorganic chemistry, with multiple papers each cited over 100 times. He has published over 600 peer-reviewed publications, with an H index of 96, and has been selected to both the Highly Cited Researchers 2014 and 2015 lists. He has received a variety of awards and honours over the years, including the recent American Chemical Society 2019 ACS Award in Inorganic Chemistry, the 2017 SEC Faculty Achievement Award, the 2016 Southern Chemist Award, and the 2016 Nyholm Prize of the UK Royal Society of Chemistry. He was named one of 15 Florida Most Influential Scientists.

Education He earned his PhD degree in organic chemistry from Exeter University. He was the NATO Postdoctoral Fellow at Stanford University and Harvard University working with Prof. Richard H. Holm.

Selected publications Atomically-precise colloidal nanoparticles of cerium dioxide. Mitchell, K. J.; Abboud, K. A.; Christou, G. Nature Commun. 2017, 8, 1445. Covalently Linked Dimer of Mn3 Single-Molecule Magnets and Retention of Its Structure and Quantum Properties in Solution. Nguyen, T. N.; Shiddiq, M.; Ghosh, T.; Abboud, K. A.; Hill, S.; Christou, G. J. Am. Chem. Soc. 2015, 137, 7160-7168 Synthetic model of the asymmetric [Mn3CaO4] cubane core of the oxygen-evolving complex of photosystem II. Mukherjee, S.; Stull, J. A.; Yano, J.; Stamatatos, T. C.; Pringouri, K.; Stich, T. A.; Abboud, K. A.; Britt, R. D.; Yachandra, V. K.; Christou, G. Proc. Natl. Acad. Sci. USA, 2012, 109, 2257-2262 A Supramolecular Aggregate of Four Exchange-Biased Single-Molecule Magnets. Nguyen, T. N.; Wernsdorfer, W.; Abboud, K. A.; Christou, G. J. Am. Chem. Soc. 2011, 133, 20688-20691 The Drosophila of Single-Molecule Magnetism: [Mn12O12(O2CR)16(H2O)4]. R. Bagai and G. Christou, Chem. Soc. Rev. 2009, 38, 1011-1026. Giant Single-Molecule Magnets: A Mn84 Torus and its Supramolecular Nanotubes. A. J. Tasiopoulos, A. Vinslava, W. Wernsdorfer, K. A. Abboud and G. Christou. Angew. Chem. Int. Ed. 2004, 43, 2117-2121 Quantum Coherence in an Exchange-Coupled Dimer of Single-Molecule Magnets. S. Hill, R. S. Edwards, N. Aliaga-Alcalde and G. Christou, Science, 2003, 302, 1015–1018. Exchange-biased quantum tunnelling in a supramolecular dimer of single-molecule magnets. Wolfgang Wernsdorfer, Núria Aliaga-Alcalde, David N. Hendrickson & George Christou, Nature 416, 406–409 (28 March 2002) Single-Molecule Magnets. G. Christou, D. Gatteschi, D. N. Hendrickson and R. Sessoli, MRS Bulletin 2000, 25, 66-71 High-spin molecules: [Mn12O12(O2CR)16(H2O)4]. Roberta Sessoli, Hui Lien Tsai, Ann R. Schake, Sheyi Wang, John B. Vincent, Kirsten Folting, Dante Gatteschi, George Christou, David N. Hendrickson, J. Am. Chem. Soc., 1993, 115 (5), pp 1804–1816

References

Worked examples

Example 1 — a first encounter with George Christou

Start with the simplest possible case. Write down what George Christou claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, 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 George Christou 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 George Christou 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 George Christou

In research: George Christou appears in chemistry 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 George Christou 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: George Christou is common in secondary-school and first-year university syllabi. It links to neighbouring topics 21st-century American chemists, Alumni of the University of Exeter, British chemists, so understanding it makes those chapters shorter.
In everyday life: Look for George Christou 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 George Christou in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what George Christou 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 George Christou out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is George Christou in simple terms?

Why does George Christou matter?

Because it connects several chemistry 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 George Christou?

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 George Christou.