Alexandru B Georgescu
@AlexandruBG
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Asst. Professor: Indiana University - Bloomington Theory of Materials & random birdposting Physics PhD-Mat Sci postdoc-Chem Prof @IUBChemistry Opinions mine
Bloomington, Indiana
Joined May 2010
We are searching for a new postdoc to join us. Plane wave DFT plus teach us something new (battery materials? Correlated electrons? Nanoparticles?)
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RT @AlexandruBG: In work led by undergraduate student Emily Ward, we show how to build Wannier functions that allow visualization and inter….
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My video on correlated electron materiasl has reached nearly 4K views! Glad so many people found it useful:
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Many thanks to Bipasa Samanta, the postdoc in our group, who performed the calculations and taught me about the connection between bond angles in perovskites and conjugation in organic molecules, and to Ricardo for inviting us to this collaboration.
Do you want to know how to develop water-soluble qubits operable in biologically relevant media? Look no further! 🔥 . Thanks to @AlexandruBG and Aliaksandra Lisouskaya (from ND) for their contributions to this manuscript.
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New work now on arXiv on superconducting nickelates. After showing a remarkably strong correlation between in-plane Ni-O-Ni bond angles and Tc in La3Ni2O7, we investigate the effects of other factors (strain, correlations, layer number) on the likely Tc.
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We congratulate Varsha Kumari for winning a teaching award. She did a wonderful job teaching with me Intro to physical chemistry and the Surface Chemistry class. In one evaluation, a student answered the question 'How can she improve?' by saying 'Nothing. She's doing amazing'.
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Awesome job Varsha Kumari and Bipasa Samanta presenting your work with a talk on trimer formation in Kagome materials and a poster on superconducting nickelates at the Midwest theoretical chemistry conference in Detroit!
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🎉 Congrats to the MRS Student Chapter at Indiana University @MRS_at_IU, especially 2024–25 President @M_K_Loveless , for earning a mini-grant for Bringing SMILES! They'll 3D print glowing toys & teach photoluminescence at Science Fest this fall! 💡🧸 #SciComm #MRS.
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New work led by our PhD student Varsha Kumari (with early contributions from Julia Bauer, now at Yale): we show that triangular cluster formation in Kagome multiferroics is driven by trimer orbital symmetry & intermediate correlation strength. arXiv:
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Happy this paper is now out.
Researchers find evidence of #superconductivity with onset temperatures up to 11K in thin films of undoped infinite-layer parent compound NdNiO2, suggesting that superconductivity is intrinsic to these nickelates but masked by disorder. Read the paper:
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Happy to have contributed to this complex collaborative work - now in PRX - showing that infinite layer nickelate superconductors may be more different from cuprates than we thought: they may be superconducting even in the absence of doping:
journals.aps.org
Undoped NdNiO${}_{2}$ exhibits superconductivity up to 11 K, challenging the assumption that doping is essential in layered nickelate superconductors.
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Congratulations to our student Emily Ward, who graduated with the highest award from the department, and pursued both theory and experiment as an undergraduate student. Her curiosity, drive, and kindness will be missed. We wish her good luck during her Phd at Princeton!
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Last day of volunteering at IU Care Week. It was maybe as helpful for me as it was for the students: I could feel helpful without handing out work/assignments/grades. Just snacks, no added pressure or stress on anybody. And if you know me you know I love feeding people 😬😂.
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Lived my dream of running a food cart at IU Care Week, serving students breakfast. Downside: my dream is not for me. My wrists are weak and hands are shaky.
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My PhD student Rajbanul Akhond brought me this amazing Naga pickle. Delicious. Works on everything.
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Helped out at IU Care Week for two hours today, serving coffee, tea, bagels and snacks to students during their last week of class.
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RT @TripletStateGuy: Happy to collaborate with @KBrownLab in identifying photocatalyst-dependent transient species responsible for the regi….
pubs.acs.org
Bicyclo[2.1.1]hexane is an emerging scaffold in various pharmaceutical settings, but the scarcity of approaches to target different regioisomers from a common starting material prevents targeting a...
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Last year some finches built their next close to my feeders, on top of a wall. This week the old nest fell on the ground. What I didn't see last year was that the finches also used the cotton I left them for the nest! It looks like it must have been pretty comfortable.
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This is my 'Ph.D Defense and Qualifying Exam Questions' notebook. I write down all my scary intimidating theorist questions on it as part of a student's Ph.D committee. Questions as scary as the monster drawn on it. 😤
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Congratulations Raquel!!.
Thrilled to see our work in print in @NatureComms! We relate how electrons can be polarized in insulators and how much energy is stored in a capacitor to quantum geometry. Find out how geometry and topology make diamonds pretty here: 💎😍 @PhysicsColumbia.
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