Zobrazeno 1 - 10
of 209
pro vyhledávání: '"Mitra L. Taheri"'
Autor:
Jonathan D. Hollenbach, Cassandra M. Pate, Haili Jia, James L. Hart, Paulette Clancy, Mitra L. Taheri
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract In situ Electron Energy Loss Spectroscopy (EELS) combined with Transmission Electron Microscopy (TEM) has traditionally been pivotal for understanding how material processing choices affect local structure and composition. However, the abili
Externí odkaz:
https://doaj.org/article/7ab4e63f3a8d47dc9715b90ebf401567
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract Recent advances in detectors for imaging and spectroscopy have afforded in situ, rapid acquisition of hyperspectral data. While electron energy loss spectroscopy (EELS) data acquisition speeds with electron counting are regularly reaching 40
Externí odkaz:
https://doaj.org/article/9695c40528ec45e6bdfa40569fdb0f50
Autor:
James L. Hart, Kanit Hantanasirisakul, Andrew C. Lang, Babak Anasori, David Pinto, Yevheniy Pivak, J. Tijn van Omme, Steven J. May, Yury Gogotsi, Mitra L. Taheri
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-10 (2019)
Two-dimensional transition metal carbides and nitrides (MXenes) have emerged as highly conductive and stable materials, of promise for electronic applications. Here, the authors use in situ electric biasing and transmission electron microscopy to inv
Externí odkaz:
https://doaj.org/article/b77dfca2e62d4dc198dec064950223d7
Autor:
James E. Nathaniel, Osman El-Atwani, Shu Huang, Jaime Marian, Asher C. Leff, Jon K. Baldwin, Khalid Hattar, Mitra L. Taheri
Publikováno v:
Materials, Vol 15, Iss 12, p 4092 (2022)
Helium bubbles are known to form in nuclear reactor structural components when displacement damage occurs in conjunction with helium exposure and/or transmutation. If left unchecked, bubble production can cause swelling, blistering, and embrittlement
Externí odkaz:
https://doaj.org/article/ae5b9cc0907b4fbb8dcbb1fc9a909a3d
Autor:
James L. Hart, Andrew C. Lang, Asher C. Leff, Paolo Longo, Colin Trevor, Ray D. Twesten, Mitra L. Taheri
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
Abstract In many cases, electron counting with direct detection sensors offers improved resolution, lower noise, and higher pixel density compared to conventional, indirect detection sensors for electron microscopy applications. Direct detection tech
Externí odkaz:
https://doaj.org/article/68b997663aa64bffadbb628d43c9d51b
Autor:
Teng Tan, M. A. Wolak, Narendra Acharya, Alex Krick, Andrew C. Lang, Jennifer Sloppy, Mitra L. Taheri, L. Civale, Ke Chen, X. X. Xi
Publikováno v:
APL Materials, Vol 3, Iss 4, Pp 041101-041101-7 (2015)
For potential applications in superconducting RF cavities, we have investigated the properties of polycrystalline MgB2 films, including the thickness dependence of the lower critical field Hc1. MgB2 thin films were fabricated by hybrid physical-chemi
Externí odkaz:
https://doaj.org/article/7686d88ff5e847459156542e9823daf5
Publikováno v:
MRS Bulletin. 47:1104-1112
Publikováno v:
Microscopy and Microanalysis.
Grain boundaries are critical in determining the properties of materials, including mechanical stability, conductivity, and corrosion resistance. The specific properties of materials depend not only on the misorientation of the crystals, the three mo
Publikováno v:
JOM. 73:4211-4220
Laser processing results in modified mechanical properties and microstructural evolution due to high temperatures and fast cooling rates. Different laser surface treatment techniques are under investigation for their potential to alter local microstr
Publikováno v:
ACS nanoscience Au. 2(5)
MXenes are a growing family of 2D transition-metal carbides and nitrides, which display excellent performance in myriad of applications. Theoretical calculations suggest that manipulation of the MXene surface termination (such as =O or -F) could stro