Publications 2014
![https://www.empa.ch/documents/55905/443997/Sumanene_methane_pignedoli.JPG.jpg/7ee7da2e-af25-4d4d-83bc-48870e92306a?t=1451905429000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Sumanene_methane_pignedoli.JPG.jpg/7ee7da2e-af25-4d4d-83bc-48870e92306a?t=1451905429000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Bowl Inversion of Surface-Adsorbed Sumanene
R. Jaafar, C. A. Pignedoli, G. Bussi, K. Aït-Mansour, O. Groening, T.Amaya, T. Hirao, R. Fasel, P. Ruffieux
J. Am. Chem. Soc. 136, 13666-13671 (2014).
![https://www.empa.ch/documents/55905/443997/benassi_c60_friction_afm.JPG.jpg/8d35e401-92c8-4dd3-b141-9142a0717a30?t=1451905580000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/benassi_c60_friction_afm.JPG.jpg/8d35e401-92c8-4dd3-b141-9142a0717a30?t=1451905580000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Does Rotational Melting Make Molecular Crystal Surfaces More Slippery?
A. Benassi, A. Vanossi, C. A. Pignedoli, D. Passerone, E. Tosatti
Nanoscale 6, 13163-13168 (2014).
![https://www.empa.ch/documents/55905/443997/Graphene+nanoribbon+heterojunctions+Cai+Pignedoli+Talirz+Ruffieux+S%C3%B6de+Fasel.jpg/d29f5806-bad6-4e81-a7dd-671fae7d24f5?t=1451906197000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Graphene+nanoribbon+heterojunctions+Cai+Pignedoli+Talirz+Ruffieux+S%C3%B6de+Fasel.jpg/d29f5806-bad6-4e81-a7dd-671fae7d24f5?t=1451906197000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Graphene nanoribbon heterojunctions
J. Cai, C. A. Pignedoli, L. Talirz, P. Ruffieux, H. Söde, L. Liang, V. Meunier, R. Berger, R. Li, X. Feng, K. Müllen, R. Fasel
Nature Nanotechnology 9, 896-900 (2014).
![https://www.empa.ch/documents/55905/443997/Sanchez_Sonogashira.JPG.jpg/98d0673e-a19c-435f-94f2-051d256af48f?t=1451906805000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Sanchez_Sonogashira.JPG.jpg/98d0673e-a19c-435f-94f2-051d256af48f?t=1451906805000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
C. Sanchez-Sanchez, F. Yubero, A. R. Gonzalez-Elipe, L. Feria, J. Fernandez Sanz, R. M. Lambert
J. Phys. Chem. C 118, 11677-11684 (2014).
![https://www.empa.ch/documents/55905/443997/Cyclotrimerization+of+arylalkynes+on+Au%28111%29+Liu+Ruffieux+Fasel.jpg/8de4ded4-1369-4369-9c22-26fee46dbc64?t=1451906668000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Cyclotrimerization+of+arylalkynes+on+Au%28111%29+Liu+Ruffieux+Fasel.jpg/8de4ded4-1369-4369-9c22-26fee46dbc64?t=1451906668000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Cyclotrimerization of arylalkynes on Au(111)
J. Liu, P. Ruffieux, X. Feng, K. Müllen, R. Fasel
Chem. Commun. 50, 11200 (2014).
![https://www.empa.ch/documents/55905/443997/Self-assembled+in-plane+Ge+nanowires+on+rib-patterned+Si+%281%E2%80%891%E2%80%8910%29+templates.jpg/ca3f7197-b2f1-44cc-8a67-90e0f51382b5?t=1451907097000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Self-assembled+in-plane+Ge+nanowires+on+rib-patterned+Si+%281%E2%80%891%E2%80%8910%29+templates.jpg/ca3f7197-b2f1-44cc-8a67-90e0f51382b5?t=1451907097000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Self-assembled in-plane Ge nanowires on rib-patterned Si(1110) templates
L. Du, D. Scopece, G. Springholz, F. Schäffler, G. Chen
Phys. Rev. B 90, 075308 (2014).
![https://www.empa.ch/documents/55905/443997/Controlled+synthesis+of+single-chirality+carbon+nanotubes.jpg/bfd89a93-9340-4be9-89c8-f7d877decd78?t=1451907540000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Controlled+synthesis+of+single-chirality+carbon+nanotubes.jpg/bfd89a93-9340-4be9-89c8-f7d877decd78?t=1451907540000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Controlled synthesis of single-chirality carbon nanotubes
J. R. Sanchez-Valencia, T. Dienel, O. Gröning, I. Shorubalko, A. Mueller, M. Jansen, K. Amsharov, P. Ruffieux, R. Fasel
Nature 512, 61 (2014).
![https://www.empa.ch/documents/55905/443997/Straining+Ge+bulk+and+nanomembranes+for+optoelectronic+applications+a+systematic+numerical+analysis.jpg/7cf601ee-7b30-4025-9885-81be84e06fd7?t=1451907762000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Straining+Ge+bulk+and+nanomembranes+for+optoelectronic+applications+a+systematic+numerical+analysis.jpg/7cf601ee-7b30-4025-9885-81be84e06fd7?t=1451907762000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Straining Ge bulk and nanomembranes for optoelectronic applications: a systematic numerical analysis
D. Scopece, F. Montalenti, M. Bollani, D. Chrastina, E. Bonera
Semicond. Sci. Technol. 29, 095012 (2014).
![https://www.empa.ch/documents/55905/443997/Adsorption+of+Small+Hydrocarbons+on+the+Three-Fold+PdGa+Surfaces+The+Road+to+Selective+Hydrogenation.jpg/dc624d8d-121f-42eb-9cfe-8087e1e45385?t=1451907953000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Adsorption+of+Small+Hydrocarbons+on+the+Three-Fold+PdGa+Surfaces+The+Road+to+Selective+Hydrogenation.jpg/dc624d8d-121f-42eb-9cfe-8087e1e45385?t=1451907953000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
J. Prinz, C. A. Pignedoli, Q. S. Stöckl, M. Armbrüster, H. Brune, O. Gröning, R. Widmer, D. Passerone
J. Am. Chem. Soc. 136, 11792 (2014).
![https://www.empa.ch/documents/55905/443997/Microscale+Motion+Control+through+Ferromagnetic+Films.jpg/7aca8d84-021a-4142-9833-90f2fe14b2af?t=1451908104000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Microscale+Motion+Control+through+Ferromagnetic+Films.jpg/7aca8d84-021a-4142-9833-90f2fe14b2af?t=1451908104000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Microscale Motion Control through Ferromagnetic Films
A. Benassi, J. Schwenk, M. A. Marioni, H. J. Hug, D. Passerone
Adv. Mater. Interfaces 1, 1400023 (2014).
![https://www.empa.ch/documents/55905/443997/Exciton-dominated+optical+response+of+ultra-narrow+graphene+nanoribbons.jpg/ce312ce7-c302-4f1d-a36f-fc3f5559de72?t=1451908262000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Exciton-dominated+optical+response+of+ultra-narrow+graphene+nanoribbons.jpg/ce312ce7-c302-4f1d-a36f-fc3f5559de72?t=1451908262000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Exciton-dominated optical response of ultra-narrow graphene nanoribbons
R. Denk, M. Hohage, P. Zeppenfeld, J. Cai, C. A. Pignedoli, H. Soede, R. Fasel, X. Feng, K. Muellen, S. Wang, D. Prezzi, A. Ferretti, A. Ruini, E. Molinari, P. Ruffieux
Nature Communications 5, 4253 (2014).
![https://www.empa.ch/documents/55905/443997/Identifying+Photoreaction+Products+in+Cinnamate-Based+Photoalignment+Materials.jpg/99e34fc3-6358-4ab7-aaae-d91cfcb09327?t=1451909004000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Identifying+Photoreaction+Products+in+Cinnamate-Based+Photoalignment+Materials.jpg/99e34fc3-6358-4ab7-aaae-d91cfcb09327?t=1451909004000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Identifying Photoreaction Products in Cinnamate Based Photoalignment Materials
D. J. Adams, S. Chappellet, F. Lincker, M. Ibn-Elhaj, B. Watts, M. Iannuzzi, D. Sisak, C. A. Pignedoli, D. Passerone
J. Phys. Chem. C 118, 1542 (2014).
![https://www.empa.ch/documents/55905/443997/Impact+of+heterocirculene+molecular+symmetry+upon+two-dimensional+crystallization.jpg/938e1e1d-e631-4f38-9341-86e379599a65?t=1451909221000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Impact+of+heterocirculene+molecular+symmetry+upon+two-dimensional+crystallization.jpg/938e1e1d-e631-4f38-9341-86e379599a65?t=1451909221000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Impact of heterocirculene molecular symmetry upon two-dimensional crystallization
W. D. Xiao, Y. Y. Zhang, L. Tao, K. Aït-Mansour, K. Y. Chernichenko, V. G. Nenajdenko, P. Ruffieux, S. X. Du, H.-J. Gao, R. Fasel
SCIENTIFIC REPORTS 4, 5415 (2014).
![https://www.empa.ch/documents/55905/443997/Dehalogenation+and+Coupling+of+a+Polycyclic+Hydrocarbon+on+an+Atomically+Thin+Insulator.jpg/6f7fcb6a-5b84-4f3b-b729-64e342f1ecfb?t=1451909403000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Dehalogenation+and+Coupling+of+a+Polycyclic+Hydrocarbon+on+an+Atomically+Thin+Insulator.jpg/6f7fcb6a-5b84-4f3b-b729-64e342f1ecfb?t=1451909403000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Dehalogenation and Coupling of a Polycyclic Hydrocarbon on an Atomically Thin Insulator
T. Dienel, J. Gomez-Diaz, A. P. Seitsonen, R. Widmer, M. Iannuzzi, K. Radican, H. Sachdev, K. Muellen, J. Hutter, O. Gröning
ACS Nano 8, 6571 (2014).
![https://www.empa.ch/documents/55905/443997/Real+space+crystallography+of+a+complex+metallic+alloy+high-angle+annular+dark-field+scanning+transmission+electron+microscopy+of+o-Al4%28Cr+Fe%29.jpg/21c040f8-f189-4091-85b0-03c02f19048d?t=1451909842000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Real+space+crystallography+of+a+complex+metallic+alloy+high-angle+annular+dark-field+scanning+transmission+electron+microscopy+of+o-Al4%28Cr+Fe%29.jpg/21c040f8-f189-4091-85b0-03c02f19048d?t=1451909842000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
R. Gaspari, R. Erni, Y. Arroyo, M. Parlinska-Wojtan, J. Dshemuchadse, C. A. Pignedoli, D. Passerone, P. Schmutz, A. Beni
J. Appl. Cryst. C 47, 1026 (2014).
![https://www.empa.ch/documents/55905/443997/Single-step+functionalization+of+vertically+aligned+MWCNTs+with+Cu+and+Ni+by+chemical+reduction+of+copper+and+nickel+acetyl+acetonate+in+benzyl+alcohol.jpg/432231f9-413c-43e9-af35-04b49cb2c97f?t=1451910024000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Single-step+functionalization+of+vertically+aligned+MWCNTs+with+Cu+and+Ni+by+chemical+reduction+of+copper+and+nickel+acetyl+acetonate+in+benzyl+alcohol.jpg/432231f9-413c-43e9-af35-04b49cb2c97f?t=1451910024000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
G. M. Ilari, N. Kraenzlin, R. Longtin, J. R. Sanchez-Valencia, S. Schneider, M. D. Rossell, M. Niederberger, R. Erni
CARBON 73, 146 (2014).
![https://www.empa.ch/documents/55905/443997/Ensemble+Effect+Evidenced+by+CO+Adsorption+on+the+3-Fold+PdGa+Surfaces.jpg/438896af-343c-47ea-b4dd-a1148c4275e2?t=1451910214000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Ensemble+Effect+Evidenced+by+CO+Adsorption+on+the+3-Fold+PdGa+Surfaces.jpg/438896af-343c-47ea-b4dd-a1148c4275e2?t=1451910214000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Ensemble Effect Evidenced by CO Adsorption on the 3-Fold PdGa Surfaces
J. Prinz, R. Gaspari, Q. S. Stoeckl, P. Gille, M. Armbruester, H. Brune, O. Gröning, C. A. Pignedoli, D. Passerone, R. Widmer
J. Phys. Chem. C 118, 12260 (2014).
![https://www.empa.ch/documents/55905/443997/Site-selective+adsorption+of+phthalocyanine+on+h-BN+Rh%28111%29+nanomesh.jpg/11f0a039-7f83-4248-94e3-6a16eece4ad4?t=1451910549000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Site-selective+adsorption+of+phthalocyanine+on+h-BN+Rh%28111%29+nanomesh.jpg/11f0a039-7f83-4248-94e3-6a16eece4ad4?t=1451910549000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Site-selective adsorption of phthalocyanine on h-BN/Rh(111) nanomesh
M. Iannuzzi, F. Tran, R. Widmer, T. Dienel, K. Radican, Y. Ding, J. Hutter, O. Gröning
Phys. Chem. Chem. Phys. 16, 12374 (2014).
![https://www.empa.ch/documents/55905/443997/Deterministic+Cold+Cathode+Electron+Emission+from+Carbon+Nanofibre+Arrays.jpg/eb64c829-2b1a-4238-9e7e-3fc4e19ee05f?t=1451910712000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Deterministic+Cold+Cathode+Electron+Emission+from+Carbon+Nanofibre+Arrays.jpg/eb64c829-2b1a-4238-9e7e-3fc4e19ee05f?t=1451910712000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Deterministic Cold Cathode Electron Emission from Carbon Nanofibre Arrays
M. T. Cole, K. B. K. Teo, O. Groening, L. Gangloff, P. Legagneux, W. I. Milne
Scientific Reports 4, 4840 (2014).
![https://www.empa.ch/documents/55905/443997/X-ray+source+downscaling+enabled+by+combining+microfabricated+electrodes+with+carbon+nanotube+cold+electron+emitters.jpg/589454f4-db57-4091-a7c6-06eec51e34c2?t=1451910987000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/X-ray+source+downscaling+enabled+by+combining+microfabricated+electrodes+with+carbon+nanotube+cold+electron+emitters.jpg/589454f4-db57-4091-a7c6-06eec51e34c2?t=1451910987000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
C. Kottler, R. Longtin, S. Giudice, R. Jose-James, P. Niedermann, A. Neels, R. Kaufmann, J. R. Sanchez-Valencia, H. R. Elsener, O. Gröning, C. Leinenbach, P. Gröning, A. Dommann
Microelectronic Engineering 122, 13 (2014).
![https://www.empa.ch/documents/55905/443997/Surface+layer+evolution+caused+by+the+bombardment+with+ionized+metal+vapor.jpg/9c0f49f3-7607-4869-9d78-040b0597e95b?t=1451911207000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Surface+layer+evolution+caused+by+the+bombardment+with+ionized+metal+vapor.jpg/9c0f49f3-7607-4869-9d78-040b0597e95b?t=1451911207000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Surface layer evolution caused by the bombardment with ionized metal vapor
M. Döbeli, A. Domman, X. Maeder, A. Neels, D. Passerone, H. Rudiger, D. Scopece, B. Widrig, J. Rammd
Nuclear Instruments and Methods in Physics Research B 332, 337 (2014).
![https://www.empa.ch/documents/55905/443997/Role+of+interface+coupling+inhomogeneity+in+domain+evolution+in+exchange+bias.jpg/c5f11532-035d-46c9-b0e5-4ac37cab0d3d?t=1451911408000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Role+of+interface+coupling+inhomogeneity+in+domain+evolution+in+exchange+bias.jpg/c5f11532-035d-46c9-b0e5-4ac37cab0d3d?t=1451911408000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Role of interface coupling inhomogeneity in domain evolution in exchange bias
A. Benassi, M. A. Marioni, D. Passerone, J. Hug
Scientific Reports 4, 4508 (2014).
![https://www.empa.ch/documents/55905/443997/Chiral+reconstruction+of+Cu%28110%29+after+adsorption+of+fumaric+acid.jpg/c2ce4569-d959-4414-82b2-6f46d928a65e?t=1451911659000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Chiral+reconstruction+of+Cu%28110%29+after+adsorption+of+fumaric+acid.jpg/c2ce4569-d959-4414-82b2-6f46d928a65e?t=1451911659000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Chiral reconstruction of Cu(110) after adsorption of fumaric acid
C. Karageorgaki, D. Passerone, K.-H. Ernst
Surf. Sci. 629, 75-80 (2014).
![https://www.empa.ch/documents/55905/443997/Dynamics+of+mobile+interacting+ferromagnetic+films+theory+and+numerical+implementation.jpg/88ca6fa3-2875-4c37-a508-4381b01c40fe?t=1451916225000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982](https://www.empa.ch/documents/55905/443997/Dynamics+of+mobile+interacting+ferromagnetic+films+theory+and+numerical+implementation.jpg/88ca6fa3-2875-4c37-a508-4381b01c40fe?t=1451916225000&doAsUserId=mLYofz1ofIc4z2qdMCjTcg%3D%3D%3F_NewsPortlet_categoryId%3D56982)
Dynamics of mobile interacting ferromagnetic films: theory and numerical implementation
A. Benassi
Modelling Simul. Mater. Sci. Eng 22, 025004 (2014).
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