Cations controlled growth of β-MnO2 crystals with tunable facets for electrochemical energy storage

Autor: Ramasubramonian Deivanayagam, Yifei Yuan, Fei Long, Soroosh Sharifi-Asl, Jun Lu, Gregory M. Odegard, Craig R. Friedrich, Hasti Asayesh-Ardakani, Khalil Amine, Wentao Yao, Zhennan Huang, Boao Song, Meng Cheng, Reza Shahbazian-Yassar

Publikováno v: Nano Energy. 48:301-311

Engineering crystal facets to enhance their functionalities often require complex processing routes to suppress the growth of surfaces with the lowest thermodynamic energies. Herein, we report a unique method to control the morphologies of β-MnO2 cr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a87b7c21afb8076a2386c9a8354e4d82
https://doi.org/10.1016/j.nanoen.2018.03.057

Multi‐Step Crystallization of Barium Carbonate: Rapid Interconversion of Amorphous and Crystalline Precursors

Autor: Reza Shahbazian-Yassar, Michael L. Whittaker, Paul J. M. Smeets, Derk Joester, Hasti Asayesh-Ardakani

Publikováno v: Angewandte Chemie (International ed. in English), vol 56, iss 50
Whittaker, ML; Smeets, PJM; Asayesh-Ardakani, H; Shahbazian-Yassar, R; & Joester, D. (2017). Multi-Step Crystallization of Barium Carbonate: Rapid Interconversion of Amorphous and Crystalline Precursors.. Angewandte Chemie (International ed. in English), 56(50), 16028-16031. doi: 10.1002/anie.201709526. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/0sn0z9kv

The direct observation of amorphous barium carbonate (ABC), which transforms into a previously unknown barium carbonate hydrate (herewith named gortatowskite) within a few hundred milliseconds of formation, is described. In situ X-ray scattering, cry

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::663d074206bd551b641238eb92e88ec6
https://doi.org/10.1002/anie.201709526

Postsynthetic Route for Modifying the Metal—Insulator Transition of VO2 by Interstitial Dopant Incorporation

Autor: Patrick J. Shamberger, Ruben Villareal, Kate E. Pelcher, Theodore E. G. Alivio, Raymundo Arroyave, Lucia Zuin, Diane G. Sellers, Gregory A. Horrocks, Erick J. Braham, Reza Shahbazian-Yassar, Hasti Asayesh-Ardakani, Sarbajit Banerjee

Publikováno v: Chemistry of Materials. 29:5401-5412

The thermally driven orders-of-magnitude modulation of resistance and optical transmittance observed in VO2 makes it an archetypal first-order phase transition material and underpins functional applications in logic and memory circuitry, electromagne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23036c2c027b1df9f7749c94f2285932
https://doi.org/10.1021/acs.chemmater.7b02029

Stabilizing metastable tetragonal HfO2 using a non-hydrolytic solution-phase route: ligand exchange as a means of controlling particle size

Autor: Sean W. Depner, Sarbajit Banerjee, Hasti Asayesh-Ardakani, Gregory R. Waetzig, Nicholas D. Cultrara, Reza Shahbazian-Yassar

Publikováno v: Chemical Science. 7:4930-4939

There has been intense interest in stabilizing the tetragonal phase of HfO2 since it is predicted to outperform the thermodynamically stable lower-symmetry monoclinic phase for almost every application where HfO2 has found use by dint of its higher d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74ad7d50f474fef69c49f9db992daf74
https://doi.org/10.1039/c6sc01601d

Atomic Origins of Monoclinic-Tetragonal (Rutile) Phase Transition in Doped VO2 Nanowires

Autor: Hasti Asayesh-Ardakani, Yihan Zhu, Sujay Singh, Farzad Mashayek, Patrick J. Phillips, Ganapathy Sambandamurthy, Anmin Nie, Sarbajit Banerjee, Robert F. Klie, Peter M. Marley, Gregory M. Odegard, Ke Bin Low, Reza Shahbazian-Yassar

Publikováno v: Nano Letters. 15:7179-7188

There has been long-standing interest in tuning the metal-insulator phase transition in vanadium dioxide (VO2) via the addition of chemical dopants. However, the underlying mechanisms by which doping elements regulate the phase transition in VO2 are

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc86e1ad47f28bb487ceed7a34911f26
https://doi.org/10.1021/acs.nanolett.5b03219