Výsledky vyhledávání - "Konrad Thürmer"

Ionicity and hydrogen affinity of water layers on metals

Publikováno v: PNAS Nexus

The ability of metal surfaces to dissociate hydrogen molecules is key to many ways that metals react to their environment. Often, the barrier to dissociation is linked to the formation of surface hydrogen adatoms. Here, we show that hydrogen can be m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea99a42c15f3caad2e23b5eb8501fbeb
https://doi.org/10.1093/pnasnexus/pgac238

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Mapping ice formation to mineral-surface topography using a micro mixing chamber with video and atomic-force microscopy

Autor: Konrad Thürmer, Raymond W. Friddle

Publikováno v: Atmospheric Measurement Techniques, Vol 13, Pp 2209-2218 (2020)

We developed a method for examining ice formation on solid substrates exposed to cloud-like atmospheres. Our experimental approach couples video-rate optical microscopy of ice formation with high-resolution atomic-force microscopy (AFM) of the initia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b399ec6c4d5d37e91408dead90edf47
https://doi.org/10.5194/amt-13-2209-2020

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Stacking Fault Energy Based Alloy Screening for Hydrogen Compatibility

Autor: P. D. Hough, Paul J. Gibbs, Konrad Thürmer, C. San Marchi, Brian P. Somerday, Jonathan A. Zimmerman

Publikováno v: JOM. 72:1982-1992

The selection of austenitic stainless steels for hydrogen service is challenging since there are few intrinsic metrics that relate alloy composition to hydrogen degradation. One such metric, presented here, is intrinsic stacking fault energy (SFE). T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::301a51c5bc1334b8c1cd4388187e1d9e
https://doi.org/10.1007/s11837-020-04106-7

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Structure and energetics of the elbows in the Au(111) herringbone reconstruction

Autor: Norman C. Bartelt, Konrad Thürmer

Publikováno v: Physical Review B. 104

We study the structure of the threading edge dislocations, or ``elbows,'' which are an essential component of the well-known herringbone reconstruction of the (111) surface of Au. Previous work had shown that these dislocations can be stabilized by l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f545a84d26a7642d36f918147e46815b
https://doi.org/10.1103/physrevb.104.165425

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How nanoscale surface steps promote ice growth on feldspar: microscopy observation of morphology-enhanced condensation and freezing

Autor: Konrad Thürmer, Raymond W. Friddle

Publikováno v: Nanoscale. 11:21147-21154

Ice in the atmosphere affects Earth's radiative properties and initiates most precipitation. Growing ice often requires a solid surface, either to catalyze freezing of supercooled cloud droplets or to serve as a substrate for ice deposited from water

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ce3a06df2bc4ebd7b88d20ee98a895f
https://doi.org/10.1039/c9nr08729j

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Surface Morphology and Electrical Properties of Cu3BTC2 Thin Films Before and After Reaction with TCNQ

Autor: Raymond W. Friddle, Mark D. Allendorf, Vitalie Stavila, François Léonard, Konrad Thürmer, A. Alec Talin, Roland A. Fischer, Christian Schneider

Publikováno v: ACS Applied Materials & Interfaces. 10:39400-39410

HKUST-1 or Cu3BTC2 (BTC = 1,3,5-benzenetricarboxylate) is a prototypical metal–organic framework (MOF) that holds a privileged position among MOFs for device applications, as it can be deposited as...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d28ac7c83eeff895a0effc8b1329c470
https://doi.org/10.1021/acsami.8b15158

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Revealing the molecular structure of soot precursors

Autor: Norman C. Bartelt, Konrad Thürmer, Chen Wang, Regina Ragan

Publikováno v: Wang, CS; Bartelt, NC; Ragan, R; & Thurmer, K. (2018). Revealing the molecular structure of soot precursors. CARBON, 129, 537-542. doi: 10.1016/j.carbon.2017.12.005. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/6hn5b51x

The earliest stages of soot formation in flames are believed to involve the formation of small, nanoscale clusters of polycyclic aromatic hydrocarbon molecules. The structure of these clusters is still highly uncertain, however, impeding the construc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af47a16dcab155b8e4bb12eefe6bcd1b
https://doi.org/10.1016/j.carbon.2017.12.005

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How oxygen passivates polycrystalline nickel surfaces

Autor: Joshua D. Sugar, Chen Santillan Wang, Konrad Thürmer, Josh A. Whaley, Robert Kolasinski, Chun-Shang Wong

Publikováno v: The Journal of Chemical Physics. 155:094701

The passivation of polycrystalline nickel surfaces against hydrogen uptake by oxygen is investigated experimentally with low energy ion scattering (LEIS), direct recoil spectroscopy (DRS), and thermal desorption spectroscopy (TDS). These techniques a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::662a056033165349aa332570eda1fb16
https://doi.org/10.1063/5.0060352

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