什么是 原位 显微术?
原位 透射电子显微术将透射电子显微镜 (TEM) 的成像能力与某些外部激源的加载相结合以观察样品的实时动态过程。 目前,有许多种系统和样品杆可以用来对样品施加不同的外场刺激来研究在偏压、机械应变/变形、加热、冷却、气体或液体环境的引入或仅仅是强电子束辐照状况下的动态过程。
过去,各种反应和系统动力学信息可记录在录像带上。在此基础上,截屏程序的出现,能够记录低分辨率的定性视频,使您能够以视频帧率,例如以30帧/秒(fps)的速度,来可视化反应情况。
现在,随着数据传输速度和数据处理能力的提升,配备了Gatan的原位相机,您可以直接对传感器输出来进行大规模数据集的记录和管理。在一次原位实验中,利用原位相机捕获的每一帧原始、定量的数据,都能被直接存储到磁盘,并以单帧图像或可回放视频的形式进行处理。此外,各种算法或脚本(例如求和、漂移校正、像素合并等)能够对采集数据进行后处理,以提取数据中的有用部分,例如下面视频所示。Gatan原位相机附带的内建管理工具使您能够轻松的对数据进行分离和提取,从而对处理后的数据进行分析,来对加载于系统的刺激导致的效应进行定量化。这一数据采集和后处理的工作流程大大提高了一次电镜机时中能够进行的实验数量。同时这一提升也使得以前无法达到的时间与空间分辨率成为可能,亚毫秒的时间分辨率,使得对于以前来说发生太快的反应能够被采集,也使得以前不为人知的动态过程得以解析。
该数据显示了Gatan OneView® IS相机与DENSsolutions Wildfire加热杆在1300°C下互相配合的稳定性。以优异空间与时间分辨率捕获到紧随温度变化发生的颗粒形貌变化过程。我们无法先验的知道到底哪个(或哪些)颗粒将发生变化,但由于OneView IS相机的大视场,这些颗粒都能够被以同样的空间分辨率同时记录下来。
主视频以10倍速率进行回放,而颗粒形状变化的回放速度为2倍。内插视频进行了放大,以显示晶格条纹的解析。
该视频未进行过漂移校正或剪裁。视频进行了帧叠加平均以提高信噪比。样品:SiO2上的Ru
SiNx上蒸镀的Au薄膜的烧结过程由Gatan Rio® 16 IS(原位)相机拍摄。样品通过DENSsolutions Wildfire加热杆加热到650 °C。该视频通过Gatan Microscopy Suite®软件的IS player进行了漂移校正与裁剪。
该数据显示了在CeO2纳米颗粒表面单独原子柱的运动状况,以400 fps记录。这一运动是由室温下电子束的辐照所引起的。K2® IS相机的时间分辨率使得这一运动过程能够得到观察。
该视频以两个不同的速度进行回放(真实速度的1/2和1/10),使得该视频中显著发生原子柱运动的部分以更慢的速度进行回放以体现细节。即便在慢速的部分,也进行了跳帧处理,因为该视频的帧率为30 fps,而原始数据的1/10速度为40 fps。
该视频进行了漂移校正、背底扣除、图像过滤与裁剪。
DigitalMicrograph,或称为 Gatan Microscopy Suite,驱动您的电子相机和其他附件以支持一系列重要应用,包括断层扫描、原位、谱学和衍射成像等。
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GIF Continuum K3 IS: Advanced Direct Detection for In-Situ Chemical Analysis
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Continuum IS: Versatile time-resolved data collection webinar
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Continuously acquired 4D STEM and EELS spectrum images for in-situ microscopy webinar
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High-resolution imaging of lithium-ion battery materials
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Capturing low-dose images, in-situ video, and diffraction data with the Metro counting camera
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Metro captures 4D STEM data with sharper detail
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The Metro camera distinguishes higher quality diffraction
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Metro camera's 2k field of view
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Low dose imaging of a beam-sensitive Zeolite sample
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In-Situ Data Processing with GMS 3.4: Drift Correction_ROI
Nondeterministic dynamics in the η-to-θ phase transition of alumina nanoparticles
Sakakibara, M.; Hanaya, M.; Nakamuro, T.; Nakamura, E.
Hopfion rings in a cubic chiral magnet
Zheng, F.; Kiselev, N. S.; Rybakov, F. N.; Yang, L.; Shi, W.; Blügel, S.; Dunin-Borkowski, R. E.
Reassessing chain tilt in the lamellar crystals of polyethylene
Kanomi, S.; Marubayashi, H.; Miyata, T.; Jinnai, H.
Reassessing chain tilt in the lamellar crystals of polyethylene
Kanomi, S.; Marubayashi, H.; Miyata, T.; Jinnai, H.
Intermetallic nanocrystal discovery through modulation of atom stacking hierarchy
Du, J. S.; Dravid, V. P.; Mirkin, C. A.
How to get something out of nothing (almost!): Extracting information from noisy data
Crozier, P. A.
Shimizu, T.; Lungerich, D.; Harano, K.; Nakamura, E.
Hasegawa, S.; Masuda, S.; Takano, S.; Harano, K.; Tsukuda, T.
Metastable hexagonal close-packed palladium hydride in liquid cell TEM
Hong, J.; Bae, J. -H.; Jo, H.; Park, H. -Y.; Lee, S.; Hong, S. J.; Chun, H.; Cho, M. K.; Kim, J.; Kim, J.; Son, Y.; Jin, H.; Suh, J. -Y.; Kim, S. -C.; Roh, H. -K.; Lee, K. H.; Kim, H. -S.; Chung, K. Y.; Yoon, C. W.; Lee, K.; Kim, S. H.; Ahn, J. -P.; Baik, H.; Kim, G. H.; Han, B.; Jin, S.; Hyeon, T.; Park, J.; Son, C. Y.; Yang, Y.; Lee, Y. -S.; Yoo, S. J.; Chun, D. W.
Liu, D.; Kowashi, S.; Nakamuro, T.; Lungerich, D.; Yamanouchi, K.; Harano, K.; Nakamura, E.
Kim, S. C.; Huang, W.; Zhang, Z.; Wang, J.; Kim, Y.; Jeong, Y. K.; Oyakhire, S. T.; Yang, Y.; Cui, Y.
Lattice-resolution, dynamic imaging of hydrogen absorption into bimetallic AgPd nanoparticles
Angell, D. K.; Bourgeois, B.; Vadai, M.; Dionne, J. A.
Suspension electrolyte with modified Li+ solvation environment for lithium metal batteries
Kim, M. S.; Zhang, Z.; Rudnicki, P. E.; Yu, Z.; Wang, J.; Wang, H.; Oyakhire, S. T.; Chen, Y.; Kim, S. C.; Zhang, W.; Boyle, D. T.; Kong, X.; Xu, R.; Huang, Z.; Huang, W.; Bent, S. F.; Wang, L. -W.; Qin, J.; Bao, Z.; Cui , Y.
Rational solvent molecule tuning for high-performance lithium metal battery electrolytes
Yu, Z.; Rudnicki, P. E.; Zhang, Z.; Huang, Z.; Celik, H.; Oyakhire, S. T.; Chen, Y.; Kong, X.; Kim, S. C.; Xiao, X.; Wang, H.; Zheng, Y.; Kamat, G. A.; Kim, M. S.; Bent, S. F.; Qin, J.; Cui, Y.; Bao, Z.
Capturing the swelling of solid-electrolyte interphase in lithium metal batteries
Zhang, Z.; Li, Y.; Xu, R.; Zhou, W.; Li, Y.; Oyakhire, S. T.; Wu, Y.; Xu, J.; Wang, H.; Yu, Z.; Boyle, D. T.; Huang, W.; Ye, Y.; Chen, H.; Wan, J.; Bao, Z.; Chiu, W.; Cui, Y.
Capturing the swelling of solid-electrolyte interphase in lithium metal batteries
Zhang, Z.; Li, Y.; Xu, R.; Zhou, W.; Li, Y.; Oyakhire, S. T.; Wu, Y.; Xu, J.; Wang, H.; Yu, Z.; Boyle, D. T.; Huang, W.; Ye, Y.; Chen, H.; Wan, J.; Bao, Z.; Chiu, W.; Cui, Y.
Electric field control of chirality
Behera, P.; May, M. A.; Gomez-Ortiz, F.; Susarla, S.; Das, S.; Nelson, C. T.; Caretta, L.; Hsu, S. -L.; McCarter, M. R.; Savitzky, B. H.; Barnard, E. S.; Raja, A.; Hong, Z.; Garcia-Fernandez, P.; Lovesey, S. W.; Van der Laan, G.; Ercius, P.; Ophus, C.; Martin, L. W.; Junquera, J.; Raschke, M. B.; Ramesh, R.
De novo synthesis of free-standing flexible 2-D intercalated nanofilm uniform over tens of cm2
Ravat, P.; Uchida, H.; Sekine, R.; Kamei, K.; Yamamoto, A.; Konovalov, O.; Tanaka, M.; Yamada, T.; Harano, K.; Nakamura, E.
Spatial mapping of electrostatic fields in 2D heterostructures
Murthy, A. A.; Ribet, S. M.; Stanev, T. K.; Liu, P.; Watanabe, K.; Taniguchi, T.; Stern, N. P.; dos Reis, R.; Dravid, V. P.
Electron crystallographic investigation of crystals on the mesostructural scale
Mao, W.; Bao, C.; Han, L.
Atomic-number (Z)-correlated atomic sizes for deciphering electron microscopic molecular images
Xing, J.; Takeuchi, K.; Kamei, K.; Nakamuro, T.; Harano, K.; Nakamura, E.
Nanodiffraction imaging of polymer crystals
Kanomi, S.; Marubayashi, H.; Miyata, T.; Tsuda, K.; Jinnai, H.
Lin, Z.; Wu, C.; He, H.; Jiang, S.; Ren, F.; Cao, L.; Huang, Z.; Zhang, J.
Local chemical fluctuation mediated ductility in body-centered-cubic high-entropy alloys
Bu, Y.; Wu, Y.; Lei, Z.; Yuan, X.; Wu, H.; Feng, X.; Liu, J.; Ding, J.; Lu, Y.; Wang, H.; Lu, Z.; Yang, W.
Lungerich, D.; Hoelzel, H.; Harano, K.; Jux, N.; Amsharov, K. Y.; Nakamura, E.
Intrinsic helical twist and chirality in ultrathin tellurium nanowires
Londoño-Calderon, A.; Williams, D. J.; Schneider, M. M.; Savitzky, B. H.; Ophus, C.; Ma, S.; Zhud, H.; Pettes, M. T.
Direct visualization of the earliest stages of crystallization
Singh, M. K.; Ghosh, C.; Miller, B.; Carter, C. B.
Dual-solvent Li-ion solvation enables high-performance Li-metal batteries
Wang, H.; Yu, Z.; Kong, X.; Huang, W.; Zhang, Z.; Mackanic, D. G.; Huang, X.; Qin, J.; Bao, Z.; Cui. Y.
Mir, A. H.; Hyatt, N. C.; Donnelly, S. E.
Hasegawa, S.; Takano, S.; Harano, K.; Tsukuda, T.
Hasegawa, S.; Takano, S.; Harano, K.; Tsukuda, T.
Rim binding of cyclodextrins in size-sensitive guest recognition
Hanayama, H.; Yamada, J.; Tomotsuka, I.; Harano, K.; Nakamura, E.
Corrosion of lithium metal anodes during calendar ageing and its microscopic origins
Boyle, D. T.; Huang, W.; Wang, H.; Li, Y.; Chen, H.; Yu, Z.; Zhang, W.; Bao, Z.; Cui, Y.
Few-nm-sized, phase-pure Au5Sn intermetallic nanoparticles: synthesis and characterization
Osugi, S.; Takano, S.; Masuda, S.; Harano, K.; Tsukuda, T.
Mapping grains, boundaries, and defects in 2D covalent organic framework thin films
Castano, I.; Evans, A. M.; dos Reis, R,; Dravid, V. P.; Gianneschi, N. C.; Dichtel, W. R.
Sekine, R.; Ravat, P.; Yanagisawa, H.; Liu, C.; Kikkawa, M.; Harano, K.; Nakamura, E.
SINGLE: Atomic-resolution structure identification of nanocrystals by graphene liquid cell EM
Reboul, C. F.; Heo, J.; Machello, C.; Kiesewetter, S.; Kim, B. H.; Kim, S.; Elmlund, D.; Ercius, P.; Park, J.; Elmlund, H.
4D imaging of soft matter in liquid water
Marchello, G.; De Pace, C.; Acosta-Gutierrez, S.; Lopez-Vazquez, C.; Wilkinson, N.; Gervasio, F. L.; Ruiz-Perez, L.; Giuseppe Battaglia, G.
Capturing the moment of emergence of crystal nucleus from disorder
Nakamuro, T.; Sakakibara, M.; Nada, H.; Harano, K.;Nakamura, E.
Spatial mapping of electrostatics and dynamics across 2D heterostructures
Murthy, A. A.; Stanev, T. K.; Ribet, S. M.; Liu, P.; Watanabe, K.; Taniguchi, T.; Stern, N. P.; dos Reis, R.; Dravid, V. P.
Electronically coupled 2D polymer/MoS2 heterostructures
Balch, H. B., Evans, A. M., Dasari, R. R., Li, H., Li, R., Thomas, S., Wang, Q., Bisbey, R. P., Slicker, K., Castano, I., Xun, S., Jiang, L., Zhu, C., Gianneschi, N., Ralph, D. C., Brédas, J-L., Marder, S. R., Dichtel, W. R., Wang, F.
Cathode-electrolyte interphase in lithium batteries revealed by cryogenic electron microscopy
Zhang, Z.; Yang, J.; Huang, W.; Wang, H.; Zhou, W.; Li, Y.; Li, Y.; Xu, J.; Huang, W.; Chiu, W.
Kratish, Y.; Nakamuro, T.; Liu, Y.; Li, J.; Tomotsuka, I.; Harano, K.; Nakamura, E.; Marks, T. J.
Imaging arrangements of discrete ions at liquid−solid interfaces
Li, H. -K.; de Souza, J. P.; Zhang, Z.; Martis, J.; Sendgikoski, K.; Cumings, J.; Bazant, M. Z.; Majumdar, A.
In situ TEM study of crystallization and chemical changes in an oxidized uncapped Ge2Sb2Te5 film
Singh, M. K.; Ghosh, C.; Miller, B.; Kotula, P. G.; Tripathi, S.; Watt, J.; Bakan, G.; Silva, H.; Carter, C. B.
Inside polyMOFs: Layered structures in polymer-based metal–organic frameworks
Bentz, K. C., Gnanasekaran, K., Bailey, J. B. Ayala, S., Tezcan, F. A., Gianneschi, N. C., Cohen, S. M.
Aryl radical addition to curvatures of carbon nanohorns for single-molecule level molecular imaging
Kamei, K.; Shimizu, T.; Harano, K.; Nakamura, E.
Kim, Y. -J.; Lee, Y.; Kim, K.; Kwon, O. -H.
Effect of adventitious carbon on pit formation of monolayer MoS2
Park, S.; Siahrostami, S.; Park, J.; Mostaghimi, A. H. B.; Kim, T. R.; Vallez, L.; Gill, T. M.; Park, W.; Goodson, K. E.; Sinclair, R.; Zheng, X.
Stuckner, J.; Shimizu, T.; Harano, K.; Nakamura, E.; Murayama, M.
Gnanasekaran, K., Vailonis, K. M., Jenkins, D. M., Gianneschi, N. C.
Shimizu, T.; Lungerich, D.; Stuckner, J.; Murayama, M.; Harano, K.; Nakamura, E.
Cyclodextrins as surfactants for solubilization and purification of carbon nanohorn aggregates
Hanayama, H.; Yamada, J.; Harano, K.; Nakamura, E.
Decoding the stoichiometric composition and organisation of bacterial metabolosomes
Yang, M.; Simpson, D. M.; Wenner, N.; Brownridge, P.; Harman, V. M.; Hinton, J. C. D.; Beynon, R. J.; Liu , L. -N.
1D to 2D transition in tellurium observed by 4D electron microscopy
Londoño-Calderon, A.; Williams, D. J.; Ophus, C.; Pettes, M. T.
Murthy, A. A.; Stanev, T. K.; dos Reis, R.; Hao, S.; Wolverton, C.; Stern, N. P.; Dravid, V. P.
Unveiling the microscopic origins of phase transformations: An in situ TEM perspective
Yu, L.; Hudak, B. M.; Ullah, A.; Thomas, M. P.; Porter, C. C.; Thisera, A.; Pham, R. H.; Goonatilleke, M. D. A.; Guiton, B. S.
Ogata, A. F.; Rakowski, A. M.; Carpenter, B. P.; Fishman, D. A.; Merham, J. G.; Hurst, P. J.; Patterson, J. P.
Errokh, A.; Magnin, A.; Putaux, J. -L.; Boufi, S.
Nam, K. W.; Park, S. S.; dos Reis, R.; Dravid, V. P. Kim, H.; Mirkin, C. A.; Stoddart, J. F.
Gao, W.; Addiego, C.; Wang, H,; Yan, X.; Hou, Y.; Ji, D.; Heikes, C.; Zhang, Y.; Li, L.; Huyan, H.; Blum, T.; Aoki, T.; Nie, Y.; Schlom, D.; Wu, R.; Pan, X.
Electron microdiffraction reveals the nanoscale twist geometry of cellulose nanocrystals
Ogawa, Y.
Quantifying inactive lithium in lithium metal batteries
Fang, C.; Li, J.; Zhang, M.; Zhang, Y.; Yang, F.; Lee, J. Z.; Lee, L. M. -H.; Alvarado, J.; Schroeder, M. A.; Yang, Y.; Lu, B.; Williams, N.; Ceja, M.; Yang, L.; Cai, M.; Gu, J.; Xu, K.; Wang, X.; Meng, Y. S.
Wang, H.; Liu, Z.; Liu, H.; Guan, L.; Cao, X.; Zhang, Z.; Huang, Y.; Jin, C.
Su, T.; Hood, Z. D.; Naguib, M.; Bai, L.; Luo, S.; Rouleau, C. M.; Ivanov, I. N.; Ji, H.; Qin, Z.; Wu, Z.
Thermal stability and irradiation response of nanocrystalline CoCrCuFeNi high-entropy alloy
Zhang, Y.; Tunes, M. A.; Crespillo, M. L.; Zhang, F.; Boldman, W. L.; Rack, P. D.; Jiang, L.; Xu, C.; Greaves, G.; Donnelly, S. E.; Wang, L.; Weber, W. J.
Nanoscale mosaicity revealed in peptide microcrystals by scanning electron nanodiffraction
Gallagher-Jones, M.; Ophus, C.; Bustillo, K. C.; Boyer, D. R.; Panova, O.; Glynn, C.; Zee, C., -T.; Ciston, J.; Mancia, K. C.; Minor, A. M.; Rodriguez, J. A.
Layered-structure SbPO4/reduced graphene oxide: An advanced anode material for sodium ion batteries
Pan, J.; Chen, S.; Fu, Q.; Sun, Y.; Zhang, Y.; Lin, N.; Gao, P.; Yang, J.; Qian, Y.
A high-entropy alloy with hierarchical nanoprecipitates and ultrahigh strength
Fu, Z.; Jiang, L.; Wardini, J. L.; MacDonald, B. E.; Wen, H.; Xiong, W.; Zhang, D.; Zhou, Y.; Rupert, T. J.; Chen, W.; Lavernia, E. J.
Pan, J.; Chen, S.; Zhang, D.; Xu, X.; Sun, Y.; Tian, F.; Gao, P.; Yang, J.
Jung, H. J.; Kim, D.; Kim, S.; Park, J.; Dravid, V. P.; Shin, B.
In situ kinetic and thermodynamic growth control of Au–Pd core–shell nanoparticles
Tan, S. F.; Bisht, G.; Anand, U.; Bosman, M.; Yong, X. E.; Mirsaidov, U.
Yasin, F. S.; Harvey, T. R.; Chess, J. J.; Pierce, J. S.; Ophus, C.; Ercius, P.; McMorran, B. J.
Local nanoscale strain mapping of a metallic glass during in situ testing
Gammer, C.; Ophus, C.; Pekin, T. C.; Eckert, J.; Minor, A. M.
Atomic structure of sensitive battery materials and interfaces revealed by cryo–electron microscopy
Li, Y.; Li.; Y.; Pei, A.; Yan, K.; Sun, Y.; Wu, C. -L; Joubert, L. -M.; Chin, R.; Koh, A. L.; Yu, Y.; Perrino, J.; Butz, B.; Chu, S.; Cui, Y.
Vertical graphene growth on SiO microparticles for stable lithium ion battery anodes
Shi, L.; Pang, C.; Chen, S.; Wang, M.; Wang, K.; Tan, Z.; Gao, P.; Ren, J.; Huang. Y.; Peng, H.; Liu, Z.
Koh, A. L.; Gidcumb, E.; Zhou, O.; Sinclair, R.
Petrenec, M.; Polák, J.; Šamořil, T.; Dluhoš, J.; Obrtlík, K.