{"paper":{"title":"Heterogeneous reactions between ions NH$_3$$^{+}$ and NH$^{+}$ and hydrocarbons adsorbed on a tungsten surface. Formation of HCN$^{+}$ in NH$^{+}$-surface hydrocarbons collisions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.atm-clus","authors_text":"Martina Harnisch, Paul Scheier, Zdenek Herman","submitted_at":"2018-05-03T09:55:31Z","abstract_excerpt":"Interaction of NH$_3$$^{+}$ (ND$_3$$^{+}$) and NH$^{+}$ with a hydrocarbon-covered tungsten surface kept at room temperature and heated to 150{\\deg}C and 300{\\deg}C showed a series of reactions between the projectile ion and hydrocarbons adsorbed on the tungsten surface. Collisions with NH3+ and particularly with ND3+ showed formation of NH$_4$$^{+}$, HCNH$^{+}$, and CH$_2$NH$_2$$^{+}$ and ND$_3$H+, HCND$^{+}$, and CH$_2$ND$_2$$^{+}$, respectively, with NH$_4$$^{+}$ (ND$_3$H$^{+}$) strongly prevailing at low incident energies of the projectile ion. No formation of HCN$^{+}$ (DCN$^{+}$) could b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01194","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}