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21 results on '"Levi, Mor"'

2. Tel Aviv University Helps Bridge Linguistic Gaps in School-Age Immigrant Children; Preliminary Outcomes of a Language Intervention Program (LIP)

Author

Cohen, Shira, Levin-Asher, Bonnie, Levi, Mor, Hamburger, Anat, Kishon-Rabin, Liat, Joshi, R. Malatesha, Series Editor, Alves, Rui, Editorial Board Member, Ehri, Linnea, Editorial Board Member, Goswami, Usha, Editorial Board Member, McBride Chang, Catherine, Editorial Board Member, Oakhill, Jane, Editorial Board Member, Treiman, Rebecca, Editorial Board Member, Levie, Ronit, editor, Bar-On, Amalia, editor, Ashkenazi, Orit, editor, Dattner, Elitzur, editor, and Brandes, Gilad, editor

Published
2022
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6. P571: OUTPATIENT INITIATION OF VENETOCLAX-AZACITIDINE FOR SELECTED ACUTE MYELOID LEUKEMIA PATIENTS IS FEASIBLE AND SAFE: A REAL WORLD SINGLE CENTER ANALYSIS

Author

Gat, Roi, primary, Neeman, Miri, additional, Levi, Shai, additional, Levi, Mor, additional, Eilati, Nili, additional, Bronstein, Yotam, additional, Shragai, Tamir, additional, Neuman, Tsipora, additional, Segman, Yafit, additional, Vitkon, Roy, additional, Mittelman, Moshe, additional, Avivi, Irit, additional, and Moshe, Yakir, additional

Published
2023
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7. P560: IMPROVEMENT IN OVERALL AND RELAPSE FREE SURVIVAL OF AML PATIENTS OVER THE AGE OF 75 SINCE THE APPROVAL OF VENETOCLAX IN A REAL-WORLD SINGLE CENTER STUDY.

Author

Moshe, Yakir, primary, Levi, Shai, additional, Neeman, Miri, additional, Gat, Roi, additional, Levi, Mor, additional, Eilati, Nili, additional, Shragai, Tamir, additional, Basood, May, additional, Segman, Yafit, additional, Baron, Yaeli, additional, Luttwak, Efrat, additional, Neuman, Tsipora, additional, Vitkon, Roy, additional, Mittelman, Moshe, additional, and Avivi, Irit, additional

Published
2023
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8. Taking Bragg Coherent Diffraction Imaging to Higher Energies at Fourth Generation Synchrotrons: Nanoscale Characterization

Author

Richard, Marie-Ingrid, primary, Martens, Isaac, additional, Dupraz, Maxime, additional, Drnec, Jakub, additional, Honkimäki, Veijo, additional, Chatelier, Corentin, additional, Atlan, Clément, additional, Mirolo, Marta, additional, Levi, Mor, additional, Rabkin, Eugen, additional, Eymery, Joël, additional, Naidu, Akshata, additional, Schülli, Tobias U., additional, and Leake, Steven J., additional

Published
2023
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9. Bragg coherent diffraction imaging with the CITIUS charge-integrating detector

Author

Grimes, Michael, primary, Pauwels, Kristof, additional, Schülli, Tobias U., additional, Martin, Thierry, additional, Fajardo, Pablo, additional, Douissard, Paul-Antoine, additional, Kocsis, Menyhert, additional, Nishino, Haruki, additional, Ozaki, Kyosuke, additional, Honjo, Yoshiaki, additional, Nishiyama Hiraki, Toshiyuki, additional, Joti, Yasumasa, additional, Hatsui, Takaki, additional, Levi, Mor, additional, Rabkin, Eugen, additional, Leake, Steven J., additional, and Richard, Marie-Ingrid, additional

Published
2023
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10. Deformation twin traces on gold surfaces: A pathway to tailored epitaxial growth of 1D semiconductors.

Author

Portal, Lotan, Polishchuk, Iryna, Zilberberg, Rotem, Levi, Mor, and Koifman-Khristosov, Maria

Subjects
EPITAXY, SEMICONDUCTORS, CRYSTAL defects, TWIN boundaries, CRYSTAL growth, SEMICONDUCTOR industry
Abstract

The field of one-dimensional semiconducting materials holds a wide variety of captivating applications, such as photovoltaic cells, electronic devices, catalysis cells, lasers, and more. The tunability of electrical, mechanical, or optical attributes of a semiconductor crystal relies on the ability to control and pattern the crystal's growth direction, orientation, and dimensions. In this study, we harvest the unique properties of crystallographic defects in Au substrates, specifically twin boundaries, to fabricate selective epitaxial growth of semiconducting nanocrystals. Different crystallographic defects were previously shown to enhance materials properties, such as, screw dislocations providing spiral crystal growth, dislocation outcrops, and vacancies increasing their catalytic activity, dislocation strengthening, and atomic doping changing the crystal's electrical properties. Here, we present a unique phenomenon of directed growth of semiconductor crystals of gold(I)-cyanide (AuCN) on the surface of thin Au layers, using traces of deformation twins on the surface. We show that emergence of deformation twins to the {111} Au surface leads to the formation of ledges, exposing new {001} and {111} facets on the surface. We propose that this phenomenon leads to epitaxial growth of AuCN on the freshly exposed {111} facets of the twin boundary trace ledges. Specific orientations of the twin boundaries with respect to the Au surface allow for patterned growth of AuCN in the <110> orientations. Nano-scale patterning of AuCN semiconductors may provide an avenue for property tuning, particularly the band gap acquired. [ABSTRACT FROM AUTHOR]

Published
2023
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11. Anomalous Glide Plane in Platinum Nano- and Microcrystals

Author

Richard, Marie-Ingrid, primary, Labat, Stéphane, additional, Dupraz, Maxime, additional, Carnis, Jérôme, additional, Gao, Lu, additional, Texier, Michaël, additional, Li, Ni, additional, Wu, Longfei, additional, Hofmann, Jan P., additional, Levi, Mor, additional, Leake, Steven J., additional, Lazarev, Sergey, additional, Sprung, Michael, additional, Hensen, Emiel J.M., additional, Rabkin, Eugen, additional, and Thomas, Olivier, additional

Published
2023
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14. COVID-19 in patients with lymphoproliferative diseases during the Omicron variant surge

Author

Bronstein, Yotam, primary, Gat, Roi, additional, Levi, Shai, additional, Cohen, Yael C., additional, Luttwak, Efrat, additional, Benyamini, Noam, additional, Shragai, Tamir, additional, Vitkon, Roy, additional, Neaman, Miriam, additional, Eilaty, Nili, additional, Levi, Mor, additional, Trestman, Svetlana, additional, Perry, Chava, additional, Herishanu, Yair, additional, and Avivi, Irit, additional

Published
2022
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16. Unveiling Core–Shell Structure Formation in a Ni3Fe Nanoparticle with In Situ Multi-Bragg Coherent Diffraction Imaging

Author

Chatelier, Corentin, Atlan, Clément, Dupraz, Maxime, Leake, Steven, Li, Ni, Schülli, Tobias U., Levi, Mor, Rabkin, Eugen, Favre, Luc, Labat, Stéphane, Eymery, Joël, and Richard, Marie-Ingrid

Abstract

Solid-state reactions play a key role in materials science. The evolution of the structure of a single 350 nm Ni3Fe nanoparticle, i.e., its morphology (facets) as well as its deformation field, has been followed by applying multireflection Bragg coherent diffraction imaging. Through this approach, we unveiled a demixing process that occurs at high temperatures (600 °C) under an Ar atmosphere. This process leads to the gradual emergence of a highly strained core–shell structure, distinguished by two distinct lattice parameters with a difference of 0.4%. Concurrently, this transformation causes the facets to vanish, ultimately yielding a rounded core–shell nanoparticle. This final structure comprises a Ni3Fe core surrounded by a 40 nm Ni-rich outer shell due to preferential iron oxidation. Providing in situ 3D imaging of the lattice parameters at the nanometer scale while varying the temperature, this study─with the support of atomistic simulations─not only showcases the power of in situ multireflection BCDI but also provides valuable insights into the mechanisms at work during a solid-state reaction characterized by a core–shell transition.

Published
2024
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17. Capturing Catalyst Strain Dynamics during OperandoCO Oxidation

Author

Grimes, Michael, Atlan, Clément, Chatelier, Corentin, Bellec, Ewen, Olson, Kyle, Simonne, David, Levi, Mor, Schülli, Tobias U., Leake, Steven J., Rabkin, Eugen, Eymery, Joël, and Richard, Marie-Ingrid

Abstract

Understanding the strain dynamic behavior of catalysts is crucial for the development of cost-effective, efficient, stable, and long-lasting catalysts. Using time-resolved Bragg coherent diffraction imaging at the fourth generation Extremely Brilliant Source of the European Synchrotron (ESRF-EBS), we achieved subsecond time resolution during operandochemical reactions. Upon investigation of Pt nanoparticles during CO oxidation, the three-dimensional strain profile highlights significant changes in the surface and subsurface regions, where localized strain is probed along the [111] direction. Notably, a rapid increase in tensile strain was observed at the top and bottom Pt {111} facets during CO adsorption. Moreover, we detected oscillatory strain changes (6.4 s period) linked to CO adsorption during oxidation, where a time resolution of 0.25 s was achieved. This approach allows for the study of adsorption dynamics of catalytic nanomaterials at the single-particle level under operandoconditions, which provides insight into nanoscale catalytic mechanisms.

Published
2024
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21. Unveiling Core-Shell Structure Formation in a Ni 3 Fe Nanoparticle with In Situ Multi-Bragg Coherent Diffraction Imaging.

Author

Chatelier C, Atlan C, Dupraz M, Leake S, Li N, Schülli TU, Levi M, Rabkin E, Favre L, Labat S, Eymery J, and Richard MI

Abstract

Solid-state reactions play a key role in materials science. The evolution of the structure of a single 350 nm Ni 3 Fe nanoparticle, i.e. , its morphology (facets) as well as its deformation field, has been followed by applying multireflection Bragg coherent diffraction imaging. Through this approach, we unveiled a demixing process that occurs at high temperatures (600 °C) under an Ar atmosphere. This process leads to the gradual emergence of a highly strained core-shell structure, distinguished by two distinct lattice parameters with a difference of 0.4%. Concurrently, this transformation causes the facets to vanish, ultimately yielding a rounded core-shell nanoparticle. This final structure comprises a Ni 3 Fe core surrounded by a 40 nm Ni-rich outer shell due to preferential iron oxidation. Providing in situ 3D imaging of the lattice parameters at the nanometer scale while varying the temperature, this study─with the support of atomistic simulations─not only showcases the power of in situ multireflection BCDI but also provides valuable insights into the mechanisms at work during a solid-state reaction characterized by a core-shell transition.

Published
2024
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