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Insertion of STC into TRT at the Department of Physics, Oxford
Credit: CERN

Hans Kraus

Professor of Physics

Research theme

  • Particle astrophysics & cosmology

Sub department

  • Particle Physics

Research groups

  • LUX-ZEPLIN
Hans.Kraus@physics.ox.ac.uk
Telephone: 01865 (2)73361
Denys Wilkinson Building, room 623
  • About
  • Publications

Performance of ZnSe-based scintillators at low temperatures

(2021)

Authors:

S Galkin, I Rybalka, L Sidelnikova, A Voloshinovskii, H Kraus, V Mykhaylyk
More details from the publisher

Projected sensitivity of the LUX-ZEPLIN (LZ) experiment to the two-neutrino and neutrinoless double beta decays of $^{134}$Xe

(2021)

Authors:

The LUX-ZEPLIN, Collaboration, :, DS Akerib, AK Al Musalhi, SK Alsum, CS Amarasinghe, A Ames, TJ Anderson, N Angelides, HM Araujo, JE Armstrong, M Arthurs, X Bai, J Balajthy, S Balashov, J Bang, JW Bargemann, D Bauer, A Baxter, P Beltrame, EP Bernard, A Bernstein, A Bhatti, A Biekert, TP Biesiadzinski, HJ Birch, GM Blockinger, E Bodnia, B Boxer, CAJ Brew, P Bras, S Burdin, JK Busenitz, M Buuck, R Cabrita, MC Carmona-Benitez, M Cascella, C Chan, NI Chott, A Cole, MV Converse, A Cottle, G Cox, O Creaner, JE Cutter, CE Dahl, L de Viveiros, JEY Dobson, E Druszkiewicz, SR Eriksen, A Fan, S Fayer, NM Fearon, S Fiorucci, H Flaecher, ED Fraser, T Fruth, RJ Gaitskell, J Genovesi, C Ghag, E Gibson, S Gokhale, MGD van der Grinten, CB Gwilliam, CR Hall, SJ Haselschwardt, SA Hertel, M Horn, DQ Huang, CM Ignarra, O Jahangir, RS James, W Ji, J Johnson, AC Kaboth, AC Kamaha, K Kamdin, K Kazkaz, D Khaitan, A Khazov, I Khurana, D Kodroff, L Korley, EV Korolkova, H Kraus, S Kravitz, L Kreczko, B Krikler, VA Kudryavtsev, EA Leason, J Lee, DS Leonard, KT Lesko, C Levy, J Liao, J Lin, A Lindote, R Linehan, WH Lippincott, X Liu, MI Lopes, E Lopez Asamar, B Lopez Paredes, W Lorenzon, S Luitz, PA Majewski, A Manalaysay, L Manenti, RL Mannino, N Marangou, ME McCarthy, DN McKinsey, J McLaughlin, EH Miller, E Mizrachi, A Monte, ME Monzani, JA Morad, JD Morales Mendoza, E Morrison, BJ Mount, A St J Murphy, D Naim, A Naylor, C Nedlik, HN Nelson, F Neves, JA Nikoleyczik, A Nilima, I Olcina, KC Oliver-Mallory, S Pal, KJ Palladino, J Palmer, S Patton, N Parveen, EK Pease, B Penning, G Pereira, A Piepke, Y Qie, J Reichenbacher, CA Rhyne, A Richards, Q Riffard, GRC Rischbieter, R Rosero, P Rossiter, D Santone, ABMR Sazzad, RW Schnee, PR Scovell, S Shaw, TA Shutt, JJ Silk, C Silva, R Smith, M Solmaz, VN Solovov, P Sorensen, J Soria, I Stancu, A Stevens, K Stifter, B Suerfu, TJ Sumner, N Swanson, M Szydagis, WC Taylor, R Taylor, DJ Temples, PA Terman, DR Tiedt, M Timalsina, WH To, DR Tovey, M Tripathi, DR Tronstad, W Turner, U Utku, A Vaitkus, B Wang, JJ Wang, W Wang, JR Watson, RC Webb, RG White, TJ Whitis, M Williams, FLH Wolfs, D Woodward, CJ Wright, X Xiang, J Xu, M Yeh, P Zarzhitsky
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Details from ArXiV

Limits to electrical mobility in lead-halide perovskite semiconductors

Journal of Physical Chemistry Letters American Chemical Society 12:14 (2021) 3607-3617

Authors:

Chelsea Xia, Jiali Peng, Samuel Poncé, Jay Patel, Adam Wright, Timothy W Crothers, Mathias Rothmann, Anna Juliane Borchert, Rebecca L Milot, Hans Kraus, Qianqian Lin, Feliciano Giustino, Laura Herz, Michael Johnston

Abstract:

Semiconducting polycrystalline thin films are cheap to produce and can be deposited on flexible substrates, yet high-performance electronic devices usually utilize single-crystal semiconductors, owing to their superior charge-carrier mobilities and longer diffusion lengths. Here we show that the electrical performance of polycrystalline films of metal-halide perovskites (MHPs) approaches that of single crystals at room temperature. Combining temperature-dependent terahertz conductivity measurements and ab initio calculations we uncover a complete picture of the origins of charge-carrier scattering in single crystals and polycrystalline films of CH3NH3PbI3. We show that Fröhlich scattering of charge carriers with multiple phonon modes is the dominant mechanism limiting mobility, with grain-boundary scattering further reducing mobility in polycrystalline films. We reconcile the large discrepancy in charge-carrier diffusion lengths between single crystals and films by considering photon reabsorption. Thus, polycrystalline films of MHPs offer great promise for devices beyond solar cells, including light-emitting diodes and modulators.
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Projected sensitivities of the LUX-ZEPLIN (LZ) experiment to new physics via low-energy electron recoils

(2021)

Authors:

The LZ Collaboration, DS Akerib, AK Al Musalhi, SK Alsum, CS Amarasinghe, A Ames, TJ Anderson, N Angelides, HM Araújo, JE Armstrong, M Arthurs, X Bai, J Balajthy, S Balashov, J Bang, JW Bargemann, D Bauer, A Baxter, P Beltrame, EP Bernard, A Bernstein, A Bhatti, A Biekert, TP Biesiadzinski, HJ Birch, GM Blockinger, E Bodnia, B Boxer, CAJ Brew, P Brás, S Burdin, JK Busenitz, M Buuck, R Cabrita, MC Carmona-Benitez, M Cascella, C Chan, NI Chott, A Cole, MV Converse, A Cottle, G Cox, O Creaner, JE Cutter, CE Dahl, L de Viveiros, JEY Dobson, E Druszkiewicz, SR Eriksen, A Fan, S Fayer, NM Fearon, S Fiorucci, H Flaecher, ED Fraser, T Fruth, RJ Gaitskell, J Genovesi, C Ghag, E Gibson, S Gokhale, MGD van der Grinten, CB Gwilliam, CR Hall, CA Hardy, SJ Haselschwardt, SA Hertel, M Horn, DQ Huang, CM Ignarra, O Jahangir, RS James, W Ji, J Johnson, AC Kaboth, AC Kamaha, K Kamdin, K Kazkaz, D Khaitan, A Khazov, I Khurana, D Kodroff, L Korley, EV Korolkova, H Kraus, S Kravitz, L Kreczko, B Krikler, VA Kudryavtsev, EA Leason, J Lee, DS Leonard, KT Lesko, C Levy, J Li, J Liao, A Lindote, R Linehan, WH Lippincott, X Liu, MI Lopes, E Lopez Asamar, B López Paredes, W Lorenzon, S Luitz, PA Majewski, A Manalaysay, L Manenti, RL Mannino, N Marangou, ME McCarthy, DN McKinsey, J McLaughlin, EH Miller, E Mizrachi, A Monte, ME Monzani, JA Morad, JD Morales Mendoza, E Morrison, BJ Mount, A St J Murphy, D Naim, A Naylor, C Nedlik, HN Nelson, F Neves, JA Nikoleyczik, A Nilima, A Nguyen, I Olcina, KC Oliver-Mallory, S Pal, KJ Palladino, J Palmer, S Patton, N Parveen, EK Pease, B Penning, G Pereira, A Piepke, Y Qie, J Reichenbacher, CA Rhyne, A Richards, Q Riffard, GRC Rischbieter, R Rosero, P Rossiter, D Santone, ABMR Sazzad, RW Schnee, PR Scovell, S Shaw, TA Shutt, JJ Silk, C Silva, R Smith, M Solmaz, VN Solovov, P Sorensen, J Soria, I Stancu, A Stevens, K Stifter, B Suerfu, TJ Sumner, N Swanson, M Szydagis, WC Taylor, R Taylor, DJ Temples, PA Terman, DR Tiedt, M Timalsina, WH To, DR Tovey, M Tripathi, DR Tronstad, W Turner, U Utku, A Vaitkus, B Wang, JJ Wang, W Wang, JR Watson, RC Webb, RG White, TJ Whitis, M Williams, FLH Wolfs, D Woodward, CJ Wright, X Xiang, J Xu, M Yeh, P Zarzhitsky
More details from the publisher
Details from ArXiV

The LUX-ZEPLIN (LZ) radioactivity and cleanliness control programs

European Physical Journal C Springer Nature 80:11 (2020) 1044

Authors:

DS Akerib, CW Akerlof, D Yu Akimov, A Alquahtani, SK Alsum, TJ Anderson, N Angelides, HM Araújo, A Arbuckle, JE Armstrong, M Arthurs, H Auyeung, S Aviles, X Bai, AJ Bailey, J Balajthy, S Balashov, J Bang, MJ Barry, D Bauer, P Bauer, A Baxter, J Belle, P Beltrame, J Bensinger, T Benson, EP Bernard, A Bernstein, A Bhatti, A Biekert, TP Biesiadzinski, HJ Birch, B Birrittella, KE Boast, AI Bolozdynya, EM Boulton, B Boxer, R Bramante, S Branson, P Brás, M Breidenbach, CAJ Brew, JH Buckley, VV Bugaev, R Bunker, S Burdin, JK Busenitz, R Cabrita, JS Campbell, C Carels, DL Carlsmith, B Carlson, MC Carmona-Benitez, M Cascella, C Chan, JJ Cherwinka, AA Chiller, C Chiller, NI Chott, A Cole, J Coleman, D Colling, RA Conley, A Cottle, R Coughlen, G Cox, WW Craddock, D Curran, A Currie, JE Cutter, JP da Cunha, CE Dahl, S Dardin, S Dasu, J Davis, TJR Davison, L de Viveiros, N Decheine, A Dobi, JEY Dobson, E Druszkiewicz, A Dushkin, TK Edberg, WR Edwards, BN Edwards, J Edwards, MM Elnimr, WT Emmet, SR Eriksen, CH Faham, A Fan, S Fayer, S Fiorucci, H Flaecher, IM Fogarty Florang, P Ford, VB Francis, ED Fraser, F Froborg, T Fruth, RJ Gaitskell, NJ Gantos, D Garcia, VM Gehman, R Gelfand, J Genovesi, RM Gerhard, C Ghag, E Gibson, MGD Gilchriese, S Gokhale, B Gomber, TG Gonda, A Greenall, S Greenwood, G Gregerson, MGD van der Grinten, CB Gwilliam, CR Hall, D Hamilton, S Hans, K Hanzel, T Harrington, A Harrison, J Harrison, C Hasselkus, SJ Haselschwardt, D Hemer, SA Hertel, J Heise, S Hillbrand, O Hitchcock, C Hjemfelt, MD Hoff, B Holbrook, E Holtom, JY-K Hor, M Horn, DQ Huang, TW Hurteau, CM Ignarra, MN Irving, RG Jacobsen, O Jahangir, SN Jeffery, W Ji, M Johnson, J Johnson, P Johnson, WG Jones, AC Kaboth, A Kamaha, K Kamdin, V Kasey, K Kazkaz, J Keefner, D Khaitan, M Khaleeq, A Khazov, AV Khromov, I Khurana, YD Kim, WT Kim, CD Kocher, D Kodroff, AM Konovalov, L Korley, EV Korolkova, M Koyuncu, J Kras, H Kraus, SW Kravitz, HJ Krebs, L Kreczko, B Krikler, VA Kudryavtsev, AV Kumpan, S Kyre, AR Lambert, B Landerud, NA Larsen, A Laundrie, EA Leason, HS Lee, J Lee, C Lee, BG Lenardo, DS Leonard, R Leonard, KT Lesko, C Levy, J Li, Y Liu, J Liao, F-T Liao, J Lin, A Lindote, R Linehan, WH Lippincott, R Liu, X Liu, C Loniewski, MI Lopes, E Lopez-Asamar, B López Paredes, W Lorenzon, D Lucero, S Luitz, JM Lyle, C Lynch, PA Majewski, J Makkinje, DC Malling, A Manalaysay, L Manenti, RL Mannino, N Marangou, DJ Markley, P MarrLaundrie, TJ Martin, MF Marzioni, C Maupin, CT McConnell, DN McKinsey, J McLaughlin, D-M Mei, Y Meng, EH Miller, ZJ Minaker, E Mizrachi, J Mock, D Molash, A Monte, ME Monzani, JA Morad, E Morrison, BJ Mount, A St J Murphy, D Naim, A Naylor, C Nedlik, C Nehrkorn, HN Nelson, J Nesbit, F Neves, JA Nikkel, JA Nikoleyczik, A Nilima, J O’Dell, H Oh, FG O’Neill, K O’Sullivan, I Olcina, MA Olevitch, KC Oliver-Mallory, L Oxborough, A Pagac, D Pagenkopf, S Pal, KJ Palladino, VM Palmaccio, J Palmer, M Pangilinan, N Parveen, SJ Patton, EK Pease, BP Penning, G Pereira, C Pereira, IB Peterson, A Piepke, S Pierson, S Powell, RM Preece, K Pushkin, Y Qie, M Racine, BN Ratcliff, J Reichenbacher, L Reichhart, CA Rhyne, A Richards, Q Riffard, GRC Rischbieter, JP Rodrigues, HJ Rose, R Rosero, P Rossiter, R Rucinski, G Rutherford, JS Saba, L Sabarots, D Santone, M Sarychev, ABMR Sazzad, RW Schnee, M Schubnell, PR Scovell, M Severson, D Seymour, S Shaw, GW Shutt, TA Shutt, JJ Silk, C Silva, K Skarpaas, W Skulski, AR Smith, RJ Smith, RE Smith, J So, M Solmaz, VN Solovov, P Sorensen, VV Sosnovtsev, I Stancu, MR Stark, S Stephenson, N Stern, A Stevens, TM Stiegler, K Stifter, R Studley, TJ Sumner, K Sundarnath, P Sutcliffe, N Swanson, M Szydagis, M Tan, WC Taylor, R Taylor, DJ Taylor, D Temples, BP Tennyson, PA Terman, KJ Thomas, JA Thomson, DR Tiedt, M Timalsina, WH To, A Tomás, TE Tope, M Tripathi, DR Tronstad, CE Tull, W Turner, L Tvrznikova, M Utes, U Utku, S Uvarov, J Va’vra, A Vacheret, A Vaitkus, JR Verbus, T Vietanen, E Voirin, CO Vuosalo, S Walcott, WL Waldron, K Walker, JJ Wang, R Wang, L Wang, W Wang, Y Wang, JR Watson, J Migneault, S Weatherly, RC Webb, W-Z Wei, M While, RG White, JT White, DT White, TJ Whitis, WJ Wisniewski, K Wilson, MS Witherell, FLH Wolfs, JD Wolfs, D Woodward, SD Worm, X Xiang, Q Xiao, J Xu, M Yeh, J Yin, I Young, C Zhang, P Zarzhitsky
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Details from ArXiV

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