Efficient Up-Conversion in CsPbBr3 Nanocrystals via Phonon-Driven Exciton-Polaron Formation

Posted by dbos Berkeley

Kavli Affiliate: Paul Alivisatos | First 5 Authors: Abdullah S. Abbas, Beiye C. Li, Richard D. Schaller, Vitali B. Prakapenka, Stella Chariton | Summary: Lead halide perovskite nanocrystals demonstrate efficient up-conversion, although the precise mechanism remains a subject of active research. This study utilizes steady-state and time-resolved spectroscopy methods to unravel the mechanism driving the […]


Continue.. Efficient Up-Conversion in CsPbBr3 Nanocrystals via Phonon-Driven Exciton-Polaron Formation

Tuning Colloidal Reactions

Posted by dbos Harvard

Kavli Affiliate: Michael Brenner | First 5 Authors: Ryan Krueger, Ella King, Michael Brenner, , | Summary: The precise control of complex reactions is critical for biological processes ranging from cell division to metabolism. Synthetic analogues of living materials suffer from our inability to tune chemical reactions with precise outcomes. Here, we leverage differentiable simulators […]


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Quantum Anomalous Hall and Spin Hall Effects in Magnetic Graphene

Posted by dbos Delft

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Talieh S. Ghiasi, Davit Petrosyan, Josep Ingla-Aynés, Tristan Bras, Samuel Mañas-Valero | Summary: A promising approach to attain long-distance coherent spin propagation is accessing quantum Hall topological spin-polarized edge states in graphene. Achieving this without large external magnetic fields necessitates engineering graphene band […]


Continue.. Quantum Anomalous Hall and Spin Hall Effects in Magnetic Graphene

Quantum Spin Hall Effect in Magnetic Graphene

Posted by dbos Delft

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Talieh S. Ghiasi, Davit Petrosyan, Josep Ingla-Aynés, Tristan Bras, Kenji Watanabe | Summary: A promising approach to attain long-distance coherent spin propagation is accessing topological spin-polarized edge states in graphene. Achieving this without external magnetic fields necessitates engineering graphene band structure, obtainable through […]


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Stroboscopic X-ray Diffraction Microscopy of Dynamic Strain in Diamond Thin-film Bulk Acoustic Resonators for Quantum Control of Nitrogen Vacancy Centers

Posted by dbos Cornell

Kavli Affiliate: Gregory D. Fuchs | First 5 Authors: Anthony D’Addario, Johnathan Kuan, Noah F. Opondo, Ozan Erturk, Tao Zhou | Summary: Bulk-mode acoustic waves in a crystalline material exert lattice strain through the thickness of the sample, which couples to the spin Hamiltonian of defect-based qubits such as the nitrogen-vacancy (NV) center defect in […]


Continue.. Stroboscopic X-ray Diffraction Microscopy of Dynamic Strain in Diamond Thin-film Bulk Acoustic Resonators for Quantum Control of Nitrogen Vacancy Centers

In situ X-ray scattering reveals coarsening rates of superlattices self-assembled from electrostatically stabilized metal nanocrystals depend non-monotonically on driving force

Posted by dbos Berkeley

Kavli Affiliate: Naomi S. Ginsberg | First 5 Authors: Christian P. N. Tanner, James K. Utterback, Joshua Portner, Igor Coropceanu, Avishek Das | Summary: Self-assembly of colloidal nanocrystals (NCs) into superlattices (SLs) is an appealing strategy to design hierarchically organized materials with new functionalities. Mechanistic studies are still needed to uncover the design principles for […]


Continue.. In situ X-ray scattering reveals coarsening rates of superlattices self-assembled from electrostatically stabilized metal nanocrystals depend non-monotonically on driving force

In situ X-ray scattering reveals coarsening rates of superlattices self-assembled from electrostatically stabilized metal nanocrystals depend non-monotonically on driving force

Posted by dbos Berkeley

Kavli Affiliate: David T. Limmer | First 5 Authors: Christian P. N. Tanner, James K. Utterback, Joshua Portner, Igor Coropceanu, Avishek Das | Summary: Self-assembly of colloidal nanocrystals (NCs) into superlattices (SLs) is an appealing strategy to design hierarchically organized materials with new functionalities. Mechanistic studies are still needed to uncover the design principles for […]


Continue.. In situ X-ray scattering reveals coarsening rates of superlattices self-assembled from electrostatically stabilized metal nanocrystals depend non-monotonically on driving force

In situ X-ray scattering reveals coarsening rates of superlattices self-assembled from electrostatically stabilized metal nanocrystals depend non-monotonically on driving force

Posted by klaurent Berkeley

Kavli Affiliate: David T. Limmer | First 5 Authors: Christian P. N. Tanner, James K. Utterback, Joshua Portner, Igor Coropceanu, Avishek Das | Summary: Self-assembly of colloidal nanocrystals (NCs) into superlattices (SLs) is an appealing strategy to design hierarchically organized materials with new functionalities. Mechanistic studies are still needed to uncover the design principles for […]


Continue.. In situ X-ray scattering reveals coarsening rates of superlattices self-assembled from electrostatically stabilized metal nanocrystals depend non-monotonically on driving force

In situ X-ray scattering reveals coarsening rates of superlattices self-assembled from electrostatically stabilized metal nanocrystals depend non-monotonically on driving force

Posted by klaurent Berkeley

Kavli Affiliate: Naomi S. Ginsberg | First 5 Authors: Christian P. N. Tanner, James K. Utterback, Joshua Portner, Igor Coropceanu, Avishek Das | Summary: Self-assembly of colloidal nanocrystals (NCs) into superlattices (SLs) is an appealing strategy to design hierarchically organized materials with new functionalities. Mechanistic studies are still needed to uncover the design principles for […]


Continue.. In situ X-ray scattering reveals coarsening rates of superlattices self-assembled from electrostatically stabilized metal nanocrystals depend non-monotonically on driving force

Modular DNA origami-based electrochemical detection of DNA and proteins

Posted by dbos Caltech

Kavli Affiliate: Paul W. K. Rothemund | First 5 Authors: Byoung-jin Jeon, Matteo M. Guareschi, Jaimie M. Stewart, Emily Wu, Ashwin Gopinath | Summary: The diversity and heterogeneity of biomarkers has made the development of general methods for single-step quantification of analytes difficult. For individual biomarkers, electrochemical methods that detect a conformational change in an […]


Continue.. Modular DNA origami-based electrochemical detection of DNA and proteins