Results 251 to 260 of about 217,901 (291)

Two decades of active layer thickness monitoring in northeastern Asia

Polar Geography, 2019
This study summarizes seasonal thawing data collected in different permafrost regions of northeast Asia over the 1995–2018 period. Empirical observations were undertaken under the Circumpolar Active Layer Monitoring (CALM) program at a range of sites across the permafrost landscapes of the Yana-Indigirka and Kolyma lowlands and the Chukotka Peninsula ...
Abramov, Andrey, Davydov, Sergey, Ivashchenko, Andrey, Karelin, Dmitry, Kholodov, Alexandr, Kraev, Gleb, Lupachev, Alexey, Maslakov, Alexey, Ostroumov, Vladimir, Rivkina, Elizaveta, Shmelev, Denis, Sorokovikov, Victor, Tregubov, Oleg, Veremeeva, Alexandra, Zamolodchikov, Dmitry, Zimov, Sergey   +15 more
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Debye Length and Active Layer Thickness-Dependent Performance Variations of Amorphous Oxide-Based TFTs

IEEE Transactions on Electron Devices, 2012
We analyzed the active layer thickness-dependent performance variations of amorphous oxide-based semiconductor thin-film transistors (AOS TFTs), which are typically operated in depletion mode by using an ATLAS 2-D device simulator.
Jaewook Jeong, Yongtaek Hong
exaly   +2 more sources

Spatio-Temporal Variations of Soil Active Layer Thickness in Chinese Boreal Forests from 2000 to 2015

Remote Sensing, 2018
The soil active layer in boreal forests is sensitive to climate warming. Climate-induced changes in the active layer may greatly affect the global carbon budget and planetary climatic system by releasing large quantities of greenhouse gases that ...
Jian Yang, Bo Tao
exaly   +3 more sources

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Decreasing the thickness of the active layer of microcrystalline silicon TFTs

physica status solidi c, 2010
AbstractTop‐gate TFTs are fabricated at T < 200 °C using μc‐Si:H film with different thickness, 30, 100 and 200 nm as active layer. Silicon nitride deposited at 150 °C is used as gate insulator. Due to improved crystallinity, mobility increases with the μc‐Si:H thickness.
Belarbi, Khaled, Kandoussi, Khalid, Souleiman, Ismaïl, Simon, Claude, Coulon, Nathalie, ., Mohammed-Brahim, Tayeb   +5 more
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The thickness of active layer dependence of polymer solar cells

10th IEEE International Conference on Nanotechnology, 2010
We studied the active layer thickness dependence of device performance of bulk heterojunction solar cells. The polymer solar cells comprising RR-P3HT:PCBM (1∶0.8 (wt %:wt%)) blend films with different thickness (from 80 nm to 340 nm) were characterized.
null Donggu Lee, null Junyoung Kim, null Seunguk Noh, null Changhee Lee   +3 more
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Active Layer Thickness Prediction on the Western Antarctic Peninsula

Permafrost and Periglacial Processes, 2015
AbstractThe effects of climate change along the climatically sensitive Western Antarctic Peninsula (WAP) on active layer dynamics have just begun to be monitored. But extreme climates and difficult access make borehole installation here challenging. This study was designed to examine the ability of two commonly used, minimally intrusive techniques (the
Kelly R. Wilhelm, James G. Bockheim, Samuel Kung   +2 more
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Optimal thickness of the active layer in a heterojunction laser

Soviet Journal of Quantum Electronics, 1971
Optimization of a symmetrical heterostructure is considered and the minimal value of the threshold current of a heterojunction laser at 300°K is calculated. It is shown that in the case of linear or superlinear (but weaker than quadratic) dependence of the optical gain on the current, the optimal thickness of the active layer d0 can be deduced from a ...
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Recent changes in the active layer thickness across the northern hemisphere

Environmental Earth Sciences, 2016
To better understand the ecological and hydrological responses to climatic and cryospheric changes, the spatiotemporal variations in the active layer thickness (ALT) need to be scrupulously studied. Based on more than 230 sites from the circumpolar active layer monitoring network, the spatiotemporal characteristics of the ALT across the northern ...
Dongliang Luo, Qingbai Wu, Huijun Jin, Sergey S. Marchenko, Lanzhi Lü, Siru Gao   +5 more
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Increasing analyzable steel thickness for thin layer activation experiments

Nuclear Science and Techniques, 2020
The thin layer activation technique (TLA) is very effective in wear analysis for tribological systems where disassembly is costly or impractical. Since its development in the 1970s, TLA has been applied through direct irradiation of solid targets using ionizing particle beams to obtain an activation with a specific profile. This profile is then used to
João Francisco de Oliveira Antunes, Mauro Lúcio Borges Lemos, Michel de Almeida França, Julio Cezar Suita, Celso Marcelo Franklin Lapa   +4 more
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The Thickness of the Active Layer on Some of Canada's Arctic Slopes

Geografiska Annaler. Series A, Physical Geography, 1973
Throughout the month of August 1969, sub-surface temperatures at 13 depths were measured at 19 sites near the south-west coast of Devon Island (74°41′ N, 91°10′ W).
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