Blar i Bergen Open Research Archive på forfatter "Holst, Bodil"
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3He spin-echo scattering indicates hindered diffusion of isolated water molecules on graphene-covered Ir(111)
Kyrkjebø, Signe; Cassidy, Andrew; Lambrick, Sam; Jardine, Andrew; Holst, Bodil; Hornekær, Liv (Journal article; Peer reviewed, 2023)The dynamics of water diffusion on carbon surfaces are of interest in fields as diverse as furthering the use of graphene as an industrial-coating technology and understanding the catalytic role of carbon-based dust grains ... -
9-Acridinemethanamine and Acridine-9-Carboxaldehyde as Potential Fluorescence Lifetime pH Indicators
Totland, Christian; Thomas, Peter; Holst, Bodil; Akhtar, Naureen; Hovdenes, Jostein; Skodvin, Tore (Journal article; Peer reviewed, 2020)A significant challenge concerning the development of fluorescence lifetime (FL) based pH sensors is the paucity of fluorophores with sufficiently large FL variation with pH. Acridine is amongst the indicators with highest ... -
AEDGE: Atomic Experiment for Dark Matter and Gravity Exploration in Space
El-Neaj, Yousef Abou; Alpigiani, Cristiano; Amairi-Pyka, Sana; Araújo, Henrique; Balaž, Antun; Bassi, Angelo; Bathe-Peters, Lars; Battelier, Baptiste; Belić, Aleksandar; Bentine, Elliot; Bernabeu, José; Bertoldi, Andrea; Bingham, Robert; Blas, Diego; Bolpasi, Vasiliki; Bongs, Kai; Bose, Sougato; Bouyer, Philippe; Bowcock, Themis; Bowden, William; Buchmueller, Oliver; Burrage, Clare; Calmet, Xavier; Canuel, Benjamin; Caramete, Laurentiu-Ioan; Carroll, Andrew; Cella, Giancarlo; Charmandaris, Vassilis; Chattopadhyay, Swapan; Chen, Xuzong; Chiofalo, Maria Luisa; Coleman, Jonathon; Cotter, Joseph; Cui, Yanou; Derevianko, Andrei; De Roeck, Albert; Djordjevic, Goran S.; Dornan, Peter; Doser, Michael; Drougkakis, Ioannis; Dunningham, Jacob; Dutan, Ioana; Easo, Sajan; Elertas, Gedminas; Ellis, John; El Sawy, Mai; Fassi, Farida; Felea, Daniel; Feng, Chen-Hao; Flack, Robert; Foot, Chris; Fuentes, Ivette; Gaaloul, Naceur; Gauguet, Alexandre; Geiger, Remi; Gibson, Valerie; Giudice, Gian; Goldwin, Jon; Grachov, Oleg; Graham, Peter W.; Grasso, Dario; van der Grinten, Maurits; Gündogan, Mustafa; Haehnelt, Martin G.; Harte, Tiffany; Hees, Aurélien; Hobson, Richard; Hogan, Jason; Holst, Bodil; Holynski, Michael; Kasevich, Mark; Kavanagh, Bradley J.; von Klitzing, Wolf; Kovachy, Tim; Krikler, Benjamin; Krutzik, Markus; Lewicki, Marek; Lien, Yu-Hung; Liu, Miaoyuan; Luciano, Giuseppe Gaetano; Magnon, Alain; Mahmoud, Mohammed Attia; Malik, Sarah; McCabe, Christopher; Mitchell, Jeremiah; Pahl, Julia; Pal, Debapriya; Pandey, Saurabh; Papazoglou, Dimitris; Paternostro, Mauro; Penning, Bjoern; Peters, Achim; Prevedelli, Marco; Puthiya-Veettil, Vishnupriya; Quenby, John; Rasel, Ernst; Ravenhall, Sean; Ringwood, Jack; Roura, Albert; Sabulsky, Dylan; Sameed, Muhammed; Sauer, Ben; Schäffer, Stefan Alaric; Schiller, Stephan; Schkolnik, Vladimir; Schlippert, Dennis; Schubert, Christian; Sfar, Haifa Rejeb; Shayeghi, Armin; Shipsey, Ian; Signorini, Carla; Singh, Yeshpal; Soares-Santos, Marcelle; Sorrentino, Fiodor; Sumner, Timothy; Tassis, Konstantinos; Tentindo, Silvia; Tino, Guglielmo Maria; Tinsley, Jonathan N.; Unwin, James; Valenzuela, Tristan; Vasilakis, Georgios; Vaskonen, Ville; Vogt, Christian; Webber-Date, Alex; Wenzlawski, André; Windpassinger, Patrick; Woltmann, Marian; Yazgan, Efe; Zhan, Ming-Sheng; Zou, Xinhao; Zupan, Jure (Journal article; Peer reviewed, 2020)We propose in this White Paper a concept for a space experiment using cold atoms to search for ultra-light dark matter, and to detect gravitational waves in the frequency range between the most sensitive ranges of LISA and ... -
Atomic diffraction by nanoholes in hexagonal boron nitride
Osestad, Eivind Kristen; Zossimova, Ekaterina; Walter, Michael; Holst, Bodil; Fiedler, Johannes (Journal article; Peer reviewed, 2024)Fabricating patterned nanostructures with matter waves can help to realise new nanophotonic devices. However, due to dispersion effects, designing patterns with nanoscale features is challenging. Here, we consider the ... -
Atomic resolution imaging of beryl: an investigation of the nano-channel occupation
Arivazhagan, V.; Schmitz, F.D.; Vullum, Per Erik; Van Helvoort, Antonius; Holst, Bodil (Peer reviewed; Journal article, 2016)Beryl in different varieties (emerald, aquamarine, heliodor etc.) displays a wide range of colours that have fascinated humans throughout history. Beryl is a hexagonal cyclo-silicate (ring-silicate) with channels going ... -
Atomic resolution transmission electron microscopy visualisation of channel occupancy in beryl in different crystallographic directions
Hanser, C. S.; Vullum, Per Erik; Van Helvoort, Antonius; Schmitz, F.D.; Häger, Tobias; Botcharnikov, R; Holst, Bodil (Journal article; Peer reviewed, 2024)The causes of colour in beryl have been a research topic for decades. For some varieties, such as emerald (green, coloured by Cr3+ and/or V3+), the main cause of colour is substitutions by metal atoms within the framework. ... -
Cold atoms in space: community workshop summary and proposed road-map
Alonso, Iván; Alpigiani, Cristiano; Altschul, Brett; Araújo, Henrique; Arduini, Gianluigi; Arlt, Jan; Badurina, Leonardo; Balaž, Antun; Bandarupally, Satvika; Barish, Barry C.; Barone, Michele; Barsanti, Michele; Bass, Steven; Bassi, Angelo; Battelier, Baptiste; Baynham, Charles F. A.; Beaufils, Quentin; Belić, Aleksandar; Bergé, Joel; Bernabeu, Jose; Bertoldi, Andrea; Bingham, Robert; Bize, Sébastien; Blas, Diego; Bongs, Kai; Bouyer, Philippe; Braitenberg, Carla; Brand, Christian; Braxmaier, Claus; Bresson, Alexandre; Buchmueller, Oliver; Budker, Dmitry; Bugalho, Luís; Burdin, Sergey; Cacciapuoti, Luigi; Callegari, Simone; Calmet, Xavier; Calonico, Davide; Canuel, Benjamin; Caramete, Laurentiu-Ioan; Carraz, Olivier; Cassettari, Donatella; Chakraborty, Pratik; Chattopadhyay, Swapan; Chauhan, Upasna; Chen, Xuzong; Chen, Yu-Ao; Chiofalo, Maria Luisa; Coleman, Jonathon; Corgier, Robin; Cotter, J.P.; Michael Cruise, A.; Cui, Yanou; Davies, Gavin; De Roeck, Albert; Demarteau, Marcel; Derevianko, Andrei; Di Clemente, Marco; Djordjevic, Goran S.; Donadi, Sandro; Doré, Olivier; Dornan, Peter; Doser, Michael; Drougakis, Giannis; Dunningham, Jacob; Easo, Sajan; Eby, Joshua; Elertas, Gedminas; Ellis, John; Evans, David; Examilioti, Pandora; Fadeev, Pavel; Fanì, Mattia; Fassi, Farida; Fattori, Marco; Fedderke, Michael A.; Felea, Daniel; Feng, Chen-Hao; Ferreras, Jorge; Flack, Robert; Flambaum, Victor V.; Forsberg, René; Fromhold, Mark; Gaaloul, Naceur; Garraway, Barry M.; Georgousi, Maria; Geraci, Andrew; Gibble, Kurt; Gibson, Valerie; Gill, Patrick; Giudice, Gian F.; Goldwin, Jon; Gould, Oliver; Grachov, Oleg; Graham, Peter W.; Grasso, Dario; Griffin, Paul F.; Guerlin, Christine; Gündoğan, Mustafa; Gupta, Ratnesh K.; Haehnelt, Martin; Hanımeli, Ekim T.; Hawkins, Leonie; Hees, Aurélien; Henderson, Victoria A.; Herr, Waldemar; Herrmann, Sven; Hird, Thomas; Hobson, Richard; Hock, Vincent; Hogan, Jason M.; Holst, Bodil; Holynski, Michael; Israelsson, Ulf; Jeglič, Peter; Jetzer, Philippe; Juzeliūnas, Gediminas; Kaltenbaek, Rainer; Kamenik, Jernej F.; Kehagias, Alex; Kirova, Teodora; Kiss-Toth, Marton; Koke, Sebastian; Kolkowitz, Shimon; Kornakov, Georgy; Kovachy, Tim; Krutzik, Markus; Kumar, Mukesh; Kumar, Pradeep; Lämmerzahl, Claus; Landsberg, Greg; Le Poncin-Lafitte, Christophe; Leibrandt, David R.; Lévèque, Thomas; Lewicki, Marek; Li, Rui; Lipniacka, Anna; Lisdat, Christian; Liu, Mia; Lopez-Gonzalez, J.L.; Loriani, Sina; Louko, Jorma; Luciano, Giuseppe Gaetano; Lundblad, Nathan; Maddox, Steve; Mahmoud, M.A.; Maleknejad, Azadeh; March-Russell, John; Massonnet, Didier; McCabe, Christopher; Meister, Matthias; Mežnaršič, Tadej; Micalizio, Salvatore; Migliaccio, Federica; Millington, Peter; Milosevic, Milan; Mitchell, Jeremiah; Morley, Gavin W.; Müller, Jürgen; Murphy, Eamonn; Müstecaplıoğlu, Özgür E.; O’Shea, Val; Oi, Daniel K. L.; Olson, Judith; Pal, Debapriya; Papazoglou, Dimitris G.; Pasatembou, Elizabeth; Paternostro, Mauro; Pawlowski, Krzysztof; Pelucchi, Emanuele; Pereira dos Santos, Franck; Peters, Achim; Pikovski, Igor; Pilaftsis, Apostolos; Pinto, Alexandra; Prevedelli, Marco; Puthiya-Veettil, Vishnupriya; Quenby, John; Rafelski, Johann; Rasel, Ernst M.; Ravensbergen, Cornelis; Reguzzoni, Mirko; Richaud, Andrea; Riou, Isabelle; Rothacher, Markus; Roura, Albert; Ruschhaupt, Andreas; Sabulsky, Dylan O.; Safronova, Marianna; Saltas, Ippocratis D.; Salvi, Leonardo; Sameed, Muhammed; Saurabh, Pandey; Schäffer, Stefan; Schiller, Stephan; Schilling, Manuel; Schkolnik, Vladimir; Schlippert, Dennis; Schmidt, Piet O.; Schnatz, Harald; Schneider, Jean; Schneider, Ulrich; Schreck, Florian; Schubert, Christian; Shayeghi, Armin; Sherrill, Nathaniel; Shipsey, Ian; Signorini, Carla; Singh, Rajeev; Singh, Yeshpal; Skordis, Constantinos; Smerzi, Augusto; Sopuerta, Carlos F.; Sorrentino, Fiodor; Sphicas, Paraskevas; Stadnik, Yevgeny V.; Stefanescu, Petruta; Tarallo, Marco G.; Tentindo, Silvia; Tino, Guglielmo M.; Tinsley, Jonathan N.; Tornatore, Vincenza; Treutlein, Philipp; Trombettoni, Andrea; Tsai, Yu-Dai; Tuckey, Philip; Uchida, Melissa A.; Valenzuela, Tristan; Van Den Bossche, Mathias; Vaskonen, Ville; Verma, Gunjan; Vetrano, Flavio; Vogt, Christian; von Klitzing, Wolf; Waller, Pierre; Walser, Reinhold; Wille, Eric; Williams, Jason; Windpassinger, Patrick; Wittrock, Ulrich; Wolf, Peter; Woltmann, Marian; Wörner, Lisa; Xuereb, André; Yahia, Mohamed; Yazgan, Efe; Yu, Nan; Zahzam, Nassim; Zambrini Cruzeiro, Emmanuel; Zhan, Mingsheng; Zou, Xinhao; Zupan, Jure; Zupanič, Erik (Journal article; Peer reviewed, 2022)We summarise the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in ... -
A continuous beam monochromator for matter waves
Fiedler, Johannes; Holst, Bodil (Journal article; Peer reviewed, 2024)Atom and, of late, molecule interferometers find application in both the crucible of fundamental research and industrial pursuits. A prevalent methodology in the construction of atom interferometers involves the utilisation ... -
The Covid-19 shutdown: when studying turns digital, students want more structure
Gjerde, Vegard; Gray Jr, Robert; Holst, Bodil; Kolstø, Stein Dankert (Journal article; Peer reviewed, 2021)In March 2020, universities in Norway and many other countries shut down due to the Covid-19 pandemic. The students lost access to classrooms, libraries, study halls, and laboratories. Studying turned digital. Because it ... -
Determining the fibrillar orientation of bast fibres with polarized light microscopy: the modified Herzog test (red plate test) explained
Haugan, Einar; Holst, Bodil (Peer reviewed; Journal article, 2013)The identification of bast fibre samples, in particular, bast fibres used in textiles, is an important issue in archaeology, criminology and other scientific fields. One of the characteristic features of bast fibres is ... -
Failsafe layer for wind turbine blades: Erosion protection of glass fiber composite through nanodiamond-treated flax composite top layer
Hinzmann, Carsten; Johansen, Nicolai Frost-Jensen; Hasager, Charlotte Bay; Holst, Bodil (Journal article; Peer reviewed, 2024)Wind turbine blades are mainly made from E-glass fiber (GF) epoxy composites, because of their good ratio of strength to weight and costs. With the increase in blade length and tip speed, the problem of leading edge erosion ... -
Fast resolution change in neutral helium atom microscopy
Flatabø, Ranveig; Eder, Sabrina Daniela; Ravn, Anders K; Samelin, Bjørn; Greve, Martin Møller; Reisinger, Thomas; Holst, Bodil (Peer reviewed; Journal article, 2018)In neutral helium atom microscopy, a beam of atoms is scanned across a surface. Though still in its infancy, neutral helium microscopy has seen a rapid development over the last few years. The inertness and low energy of ... -
First experimental evidence of hop fibres in historical textiles
Skoglund, Git; Holst, Bodil; Lukesova, Hana (Journal article; Peer reviewed, 2020)Hop (Humulus lupulus) has been used in Scandinavia since at least the ninth century AD, as documented through archaeological findings and written, historical records. The written records are mainly focused on the use of ... -
Fluorescence intensity and fluorescence lifetime measurements of various carbon dots as a function of pH
Szapoczka, Wiktoria Karolina; Truskewycz, Adam Leo; Skodvin, Tore; Holst, Bodil; Thomas, Peter James (Journal article; Peer reviewed, 2023)Measurement and monitoring of pH are essential in both the industry and academia. It is therefore important to continue developing novel, low-cost pH sensors that provide increased accuracy over long periods of time. ... -
A giant reconstruction of α-quartz (0001) interpreted as three domains of nano dauphine twins
Eder, Sabrina Daniela; Fladischer, Katrin; Yeandel, S.R.; Lelarge, Anne; Parker, Stephen C.; Søndergård, Elin; Holst, Bodil (Peer reviewed; Journal article, 2015-10-08)Silica (SiO2) is one of the most common materials on Earth. The crystalline form α-quartz is the stable silica polymorph at ambient conditions although metastable forms exist. α-quartz is a piezoelectric material, it can ... -
Graphene and graphene oxide on Ir(111) are transparent to wetting but not to icing
Kyrkjebø, Signe; Cassidy, Andrew; Akhtar, Naureen; Balog, Richard; Scheffler, Martha; Hornekær, Liv; Holst, Bodil; Flatabø, Ranveig (Journal article; Peer reviewed, 2021)Anti-icing coatings reduce the freezing onset temperature for water by changing the chemical and physical environment at the water-substrate interface to prevent ice nucleation and growth. Graphene oxide has several ... -
Identifying plant fibres in cultural heritage with optical and electron microscopy: how to present results and avoid pitfalls
Lukesova, Hana; Holst, Bodil (Journal article; Peer reviewed, 2024)Identification of archaeological and historical textile fibres is important because it gives insight into resource management in former times. The arrival of new tools such as table-top scanning electron microscopes, have ... -
Integrating effective learning strategies in basic physics lectures: A thematic analysis
Gjerde, Vegard; Holst, Bodil; Kolstø, Stein Dankert (Journal article; Peer reviewed, 2021)Introductory mechanics is an obligatory course for many disciplines outside of physics and the failure rate is often high. Even the students who pass the course often fail to achieve the main learning goal: The conceptual ... -
Is Cross‐Section Shape a Distinct Feature in Plant Fibre Identification?
Lukesova, Hana; Holst, Bodil (Journal article; Peer reviewed, 2021)Correct identification of textile fibres is an important issue in archaeology because the use of different materials can yield crucial information about the society that produced the textiles. Textiles made of plant and ... -
Is It Hop? Identifying Hop Fibres in a European Historical Context
Lukešová, Hana; Andersen, Heidi Lie; Kolinova, M; Holst, Bodil (Peer reviewed; Journal article, 2019)Hop (Humulus lupulus L .) is an ancient perennial crop plant, native to the Northern Hemisphere. The archaeological evidence dates back to at least the sixth century ad in Europe. Hop has been used for beer brewing, in ...