2013
DOI: 10.1016/j.ultramic.2012.07.005
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Sample preparation methods for femtosecond electron diffraction experiments

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Cited by 12 publications
(11 citation statements)
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“…Single crystals of 4H b -TaSe 2 were grown by chemical vapour transport. From the bulk crystal 90 nm thin sheets > 150 µm in diameter were cut along the TaSe 2 planes using an ultramicrotome and mounted on TEM meshes [28]. Time-resolved electron diffraction experiments were performed in transmission geometry in a collinear excitation scheme applying 200 fs near-infrared pump pulses (λ = 775 nm) for photoexcitation, and delayed ultrashort electron pulses as probe.…”
mentioning
confidence: 99%
“…Single crystals of 4H b -TaSe 2 were grown by chemical vapour transport. From the bulk crystal 90 nm thin sheets > 150 µm in diameter were cut along the TaSe 2 planes using an ultramicrotome and mounted on TEM meshes [28]. Time-resolved electron diffraction experiments were performed in transmission geometry in a collinear excitation scheme applying 200 fs near-infrared pump pulses (λ = 775 nm) for photoexcitation, and delayed ultrashort electron pulses as probe.…”
mentioning
confidence: 99%
“…Ultramicrotomy 11 and exfoliation have proven effective for layered materials, but non-layered materials present significant difficulties. By comparison, pulsed laser deposition (PLD), sputtering and other thin-film deposition techniques can readily produce very high quality polycrystalline samples for a wide variety of material systems 12 on electron-transparent substrates with controlled thickness 13 .…”
Section: Motivationmentioning
confidence: 99%
“…Recently, the preparation of free-standing films of 1T -TaS 2 using an ultramicrotome was reported [26]. The resulting films had lateral dimensions of ∼ 200 µm and thickness of 30 nm.…”
Section: Preparation Of Free-standing Thin Filmsmentioning
confidence: 99%
“…In Ref. [26], it is suggested that this is caused by a reaction of the tantalum with the diamond blade. In our studies, we did not use a virgin knife, and thus we are unable to classify the origin of the knife damage.…”
Section: Optical Microscopymentioning
confidence: 99%