We present the most downloaded papers from the pss family of journals in December covering, among other topics, reviews on topological insulators, organic semiconductors and chiral surfaces.

physica status solidi (RRL)

• R. Sbiaa, H. Meng, S. N. Piramanayagam
  Materials with perpendicular magnetic anisotropy for magnetic random access memory [Review@RRL]
  Phys. Status Solidi RRL 2011, vol. 5, p. 413
• Müchler, Lukas; Casper, Frederick; Yan, Binghai; Chadov, Stanislav; Felser, Claudia
  Topological insulators and thermoelectric materials [Review@RRL]
  Phys. Status Solidi RRL, 10.1002/pssr.201206411
• Zhang, Haijun; Zhang, Shou-Cheng
  Topological insulators from the perspective of first-principles calculations [Review@RRL]
  Phys. Status Solidi RRL, 10.1002/pssr.201206414
• Veldhorst, M.; Snelder, M.; Hoek, M.; Molenaar, C. G.; Leusink, D. P.; Golubov, A. A.; Hilgenkamp, H.; Brinkman, A.
  Magnetotransport and induced superconductivity in Bi based three-dimensional topological insulators [Review@RRL]
  Phys. Status Solidi RRL, 10.1002/pssr.201206408
• Cha, Judy J.; Koski, Kristie J.; Cui, Yi
  Topological insulator nanostructures [Review@RRL]
  Phys. Status Solidi RRL, 10.1002/pssr.201206393
• B. Hoex, M. C. M. van de Sanden, J. Schmidt, R. Brendel, W. M. M. Kessels
  Surface passivation of phosphorus-diffused n⁺-type emitters by plasma-assisted atomic-layer deposited Al₂O₃ [Rapid Research Letter]
  Phys. Status Solidi RRL 2012, vol. 6, p. 4
• Cao, Helin; Xu, Suyang; Miotkowski, Ireneusz; Tian, Jifa; Pandey, Deepak; Hasan, M. Zahid; Chen, Yong P.
  Structural and electronic properties of highly doped topological insulator Bi₂Se₃ crystals [Rapid Research Letter]
  Phys. Status Solidi RRL, 10.1002/pssr.201206457
• Zhang, Zuocheng; Feng, Xiao; Guo, Minghua; Ou, Yunbo; Zhang, Jinsong; Li, Kang; Wang, Lili; Chen, Xi; Xue, Qikun; Ma, Xucun; He, Ke; Wang, Yayu
  Transport properties of Sb₂Te₃/Bi₂Te₃ topological insulator heterostructures [Rapid Research Letter]
  Phys. Status Solidi RRL, 10.1002/pssr.201206391
• Norbert Koch
  Electronic structure of interfaces with conjugated organic materials [Review@RRL]
  Phys. Status Solidi RRL 2012, vol. 6, p. 277
• Yan, Binghai; Zhang, Delin; Felser, Claudia
  Topological surface states of Bi₂Se₃ coexisting with Se vacancies [Rapid Research Letter]
  Phys. Status Solidi RRL, 10.1002/pssr.201206415

physica status solidi (a)

• Sebastian Reineke, Marc A. Baldo
  Recent progress in the understanding of exciton dynamics within phosphorescent OLEDs [Feature Article]
  Phys. Status Solidi A 2012, vol. 209, p. 2341
• Wolfgang Brütting, Jörg Frischeisen, Tobias D. Schmidt, Bert J. Scholz, Christian Mayr
  Device efficiency of organic light-emitting diodes: Progress by improved light outcoupling [Review Article]
  Phys. Status Solidi A 2013, vol. 210, p. 44
• Anthony M. Diamond, Luca Corbellini, K. R. Balasubramaniam, Shiyou Chen, Shuzhi Wang, Tyler S. Matthews, Lin-Wang Wang, Ramamoorthy Ramesh, Joel W. Ager
  Copper-alloyed ZnS as a p-type transparent conducting material [Advanced Materials Physics]
  Phys. Status Solidi A 2012, vol. 209, p. 2101
• Yu-fei Meng, Chih-shiue Yan, Szczesny Krasnicki, Qi Liang, Joseph Lai, Haiyun Shu, Thomas Yu, Andrew Steele, Ho-kwang Mao, Russell J. Hemley
  High optical quality multicarat single crystal diamond produced by chemical vapor deposition [Original Paper]
  Phys. Status Solidi A 2012, vol. 209, p. 101
• Carolin M. Fella, Alexander R. Uhl, Yaroslav E. Romanyuk, Ayodhya N. Tiwari
  Cu₂ZnSnSe₄ absorbers processed from solution deposited metal salt precursors under different selenization conditions [Editor’s Choice]
  Phys. Status Solidi A 2012, vol. 209, p. 1043
• R. Coehoorn, P. A. Bobbert
  Effects of Gaussian disorder on charge carrier transport and recombination in organic semiconductors [Feature Article]
  Phys. Status Solidi A 2012, vol. 209, p. 2354
• Han B. Man, Dean Ho
  Diamond as a nanomedical agent for versatile applications in drug delivery, imaging, and sensing [Feature Article]
  Phys. Status Solidi A 2012, vol. 209, p. 1609
• Mathieu Helfrich, Philipp Schroth, Daniil Grigoriev, Sergey Lazarev, Roberto Felici, Taras Slobodskyy, Tilo Baumbach, Daniel M. Schaadt
  Growth and characterization of site-selective quantum dots [Feature Article]
  Phys. Status Solidi A 2012, vol. 209, p. 2387
• André Strittmatter, André Holzbecher, Andrei Schliwa, Jan-Hindrik Schulze, David Quandt, Tim David Germann, Alexander Dreismann, Ole Hitzemann, Erik Stock, Irina A. Ostapenko, Sven Rodt, Waldemar Unrau, Udo W. Pohl, Axel Hoffmann, Dieter Bimberg, Vladimir Haisler
  Site-controlled quantum dot growth on buried oxide stressor layers [Feature Article]
  Phys. Status Solidi A 2012, vol. 209, p. 2411
• Joachim Piprek
  Efficiency droop in nitride-based light-emitting diodes [Feature Article]
  Phys. Status Solidi A 2010, vol. 207, p. 2217

physica status solidi (b)

• Karl-Heinz Ernst
  Molecular chirality at surfaces [Review Article]
  Phys. Status Solidi B 2012, vol. 249, p. 2057
• Tauc, J.; Grigorovici, R.; Vancu, A.
  Optical Properties and Electronic Structure of Amorphous Germanium [Original Paper]
  Phys. Status Solidi B 1966, vol. 15, p. 627
• Henning Sirringhaus, Tomo Sakanoue, Jui-Fen Chang
  Charge-transport physics of high-mobility molecular semiconductors [Feature Article]
  Phys. Status Solidi B 2012, vol. 249, p. 1655
• B. K. Meyer, A. Polity, D. Reppin, M. Becker, P. Hering, P. J. Klar, Th. Sander, C. Reindl, J. Benz, M. Eickhoff, C. Heiliger, M. Heinemann, J. Bläsing, A. Krost, S. Shokovets, C. Müller, C. Ronning
  Binary copper oxide semiconductors: From materials towards devices [Review Article]
  Phys. Status Solidi B 2012, vol. 249, p. 1487
• Claus Klingshirn, J. Fallert, H. Zhou, J. Sartor, C. Thiele, F. Maier-Flaig, D. Schneider, H. Kalt
  65 years of ZnO research – old and very recent results [Review Article]
  Phys. Status Solidi B 2010, vol. 247, p. 1424
• B. K. Meyer, H. Alves, D. M. Hofmann, W. Kriegseis, D. Forster, F. Bertram, J. Christen, A. Hoffmann, M. Straßburg, M. Dworzak, U. Haboeck, A. V. Rodina
  Bound exciton and donor–acceptor pair recombinations in ZnO [Feature Article]
  Phys. Status Solidi B 2004, vol. 241, p. 231
• Bässler, H.
  Charge Transport in Disordered Organic Photoconductors a Monte Carlo Simulation Study [Review Article]
  Phys. Status Solidi B 1993, vol. 175, p. 15
• C. Klingshirn
  ZnO: From basics towards applications [Review Article]
  Phys. Status Solidi B 2007, vol. 244, p. 3027
• J. Robertson, G. Zhong, S. Esconjauregui, C. Zhang, M. Fouquet, S. Hofmann
  Chemical vapor deposition of carbon nanotube forests [Feature Article]
  Phys. Status Solidi B 2012, vol. 249, p. 2315
• Ado Jorio, Erlon H. Martins Ferreira, Marcus V. O. Moutinho, Fernando Stavale, Carlos A. Achete, Rodrigo B. Capaz
  Measuring disorder in graphene with the G and D bands [Original Paper]
  Phys. Status Solidi B 2010, vol. 247, p. 2980

physica status solidi (c)

• Yujin Hori, Chihoko Mizue, Tamotsu Hashizume
  Interface state characterization of ALD-Al₂O₃/GaN and ALD-Al₂O₃/AlGaN/GaN structures [ICFSI-13 – Contributed Article]
  physica status solidi c 2012, vol. 9, p. 1356
• Noriko Moritake, Yuki Fukui, Masatoshi Oonuki, Kunihiko Tanaka, Hisao Uchiki
  Preparation of Cu₂ZnSnS₄ thin film solar cells under non-vacuum condition [Contributed Article]
  physica status solidi c 2009, vol. 6, p. 1233
• Toshio Kamiya, Kenji Nomura, Masahiro Hirano, Hideo Hosono
  Electronic structure of oxygen deficient amorphous oxide semiconductor a-InGaZnO_4–x : Optical analyses and first-principle calculations [Contributed Article]
  physica status solidi c 2008, vol. 5, p. 3098
• Tooru Tanaka, Daisuke Kawasaki, Mitsuhiro Nishio, Qixin Guo, Hiroshi Ogawa
  Fabrication of Cu₂ZnSnS₄ thin films by co-evaporation [Original Paper]
  physica status solidi c 2006, vol. 3, p. 2844
• Hiroyoshi Naito, Setsuhisa Tanabe
  Preface: Optical, Optoelectronic and Photonic Materials and Applications [Preface]
  Phys. Status Solidi C 2012, vol. 9, p. 2222
• Zeguo Tang, Qiming Liu, Ishwor Khatri, Ryo Ishikawa, Keiji Ueno, Hajime Shirai
  Optical properties and carrier transport in c-Si/conductive PEDOT:PSS(GO) composite heterojunctions [Contributed Article]
  Phys. Status Solidi C 2012, vol. 9, p. 2075
• Hideaki Araki, Yuki Kubo, Kazuo Jimbo, Win Shwe Maw, Hironori Katagiri, Makoto Yamazaki, Koichiro Oishi, Akiko Takeuchi
  Preparation of Cu₂ZnSnS₄ thin films by sulfurization of co-electroplated Cu-Zn-Sn precursors [Contributed Article]
  physica status solidi c 2009, vol. 6, p. 1266
• U. Jahn, E. Calleja, J. Ristić, A. Trampert, C. Rivera
  Spatially resolved luminescence spectroscopy of single GaN/(Al,Ga)N quantum disks [Contributed Article]
  physica status solidi c 2008, vol. 5, p. 2164