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physica status solidi Editor-in-Chief Deputy Editor Stefan Hildebrandt Sabine Bahrs www.pss-journals.com Editors Floriano Cuccureddu, Heike Höpcke, Richard Murray, Anke Osterland, Nadezda Panarina, Jolke Perelaer, Online Submission Maria E. Stournara, Huan Wang, www.editorialmanager.com/pssrrl-journal Marc Zastrow www.editorialmanager.com/pssa-journal www.editorialmanager.com/pssb-journal e-mail [email protected] Aims and Scope physica status solidi RRL – Rapid Research physica status solidi a – applications and physica status solidi b – basic solid state Letters communicates important fi ndings materials science covers modern solid state physics covers theoretical and experimental with a high degree of novelty and need for physics and physical materials science with investigations of the structural, electronic, express publication, as well as other results an emphasis on materials and device appli- optical, magnetic, and thermodynamic of immediate interest to the solid state phys- cations. This encompasses the preparation, properties of solid materials based on ics and materials science community. Papers analysis, and description of solid, advanced quantum solid state physics. Current topics from interdisciplinary and emerging new material systems, nanostructures, fi lms, include nanotubes and graphene, 2D layered areas of research are particularly welcomed. surfaces, and interfaces with respect to elec- materials, strongly correlated systems, The fl agship pss journal, received a 2016 tronic, magnetic, optical, thermal, structural, superconductivity, multiferroics, topological Impact Factor of 3.032 (up 18 % from 2015). and morphological properties, as well as insulators, and semiconductors for device device design and characteristics (Impact technology (Impact Factor 1.674). Factor 1.775). Editorial Advisory Board Ernst Bauer, Arizona State University, USA Ken Haenen, Universiteit Hasselt, Belgium Uwe Rau, Forschungszentrum Jülich, Germany Karl Wolfgang Böer, University of Delaware, Axel Hoffmann, Technical University Berlin, John Robertson, Cambridge University, UK USA (Founding Editor) Germany Ferdinand Scholz, University of Ulm, Germany Martin S. Brandt, Technical University Chennupati Jagadish, Australian National Michael S. Shur, Rensselaer Polytechnic Insti- München, Germany University, Australia tute, USA Marília J. Caldas, University of São Paulo, Brazil Alexander A. Kaminskii, Russian Academy of G. Jeffrey Snyder, Northwestern University, Zexian Cao, Institute of Physics, Chinese Acad- Sciences, Russia USA emy of Sciences, China Michio Kondo, National Inst. of Advanced James S. Speck, University of California, Santa Andres Cuevas, Australian National University, Industrial Science and Technology, Japan Barbara, USA Australia Chun-Sing Lee, City University of Hong Kong, Baoquan Sun, Soochow University, China Peter Deák, University of Bremen, Germany China Tadeusz Suski, UNIPRESS, Poland David A. Drabold, Ohio University, USA Shuit-Tong Lee, Soochow University, China Maria C. Tamargo, City College of New York, Wenhui Duan, Tsinghua University, China Günther Leising, Technical University Graz, USA Alexander L. Efros, Naval Research Laboratory, Austria Christian Thomsen, Technical University Berlin, USA Andrew R. Leitch, Nelson Mandela Metropoli- Germany Claudia Felser, Max Planck Institute for Chemi- tan University, South Africa Hans-Rainer Trebin, University of Stuttgart, cal Physics of Solids, Germany Zheng Liu, Nanyang Technol. University, Germany Elvira Fortunato, University Nova de Lisboa, Singapore Sergio E. Ulloa, Ohio University, Athens, USA Portugal Anita Lloyd-Spetz, Linköping University, Xinqiang Wang, Peking University, China Bernard Gil, University Montpellier 2, France Sweden Rainer Waser, Forschungszentrum Jülich, Sebastian T. B. Gönnenwein, Technische Uni- Annick Loiseau, ONERA, France Germany versität Dresden, Germany Gerd O. Müller, GOMMAconsult GmbH, Berlin John I. B. Wilson, Heriot-Watt University, UK Nicholas Grandjean, École Polytechnique Pablo Ordejón, Centre d'Investigacions en Martin N. Wybourne, Dartmouth College, USA Fédérale de Lausanne, Switzerland Nanociència i Nanotecnologia, Spain Deren Yang, Zhejiang University, China J. Marty Gregg, Queen's University Belfast, UK S. N. Piramanayagam, Nanyang Technological Wlodzimierz Zawadzki, Polish Academy of Sci- Marius Grundmann, Universität Leipzig, University, Singapore ences, Poland Germany Pedro P. Prieto, University del Valle, Colombia Di Zhang, Shanghai Jiao Tong University, China In this study, the electronic structure of Td-WTe2 Lifshitz Transitions Induced by is systematically investigated. The measure- Temperature and Surface Doping in ment and calculation support the prediction of Type-II Weyl Semimetal Candidate Td-WTe2 a type-II Weyl semimetal phase in Td-WTe2 below 10 K. The authors also realize Lifshitz transitions Qihang Zhang, Zhongkai Liu, Yan Sun, induced by temperature regulation and surface Haifeng Yang, Juan Jiang, Sung-Kwan Mo, modifi cation, respectively. The results will shed Zahid Hussain, Xiaofeng Qian, Liang Fu, light on the understanding and manipulation of Shuhua Yao, Minghui Lu, Claudia Felser, the electronic structure and physical properties Binghai Yan, Yulin Chen, and Lexian Yang of Td-WTe2. Phys. Status Solidi RRL 2017, 11, 1700209 DOI 10.1002/pssr.201700209 Buhl et al. theoretically predict a sizeable spin Topological Spin Hall Effect in Hall effect which originates in chiral skyrmion Antiferromagnetic Skyrmions textures arising in transition-metal synthetic anti- ferromagnets. Such “topological” spin Hall effect Patrick M. Buhl, Frank Freimuth, is extremely sensitive to the electronic structure Stefan Blügel, and Yuriy Mokrousov parameters and can be engineered according to the desired spin current properties. This discovery Phys. Status Solidi RRL 2017, 11, 1700007 opens new vistas for the detection and verifi ca- DOI 10.1002/pssr.201700007 tion of antiferromagnetic skyrmions as well as for generation of sizable spin currents in transition- metal heterostructures. Topological magnets are excellent candidates for Review@RRL the next era in topological matter and spintron- Route Towards Dirac and Weyl ics. In this review, Šmejkal et al. show the new role Antiferromagnetic Spintronics that antiferromagnets have taken in combining topology with spintronics. The authors illustrate Libor Šmejkal, Tomáš Jungwirth, the unique antiferromagnetic symmetries allow- and Jairo Sinova ing for combining seemingly incompatible effects such as the Néel spin-orbit torques and topologi- cal Dirac quasiparticles, or the anomalous Hall Phys. Status Solidi RRL 2017, 11, 1700044 DOI 10.1002/pssr.201700044 effect in noncollinear antiferromagnets. Temporary surface passivation is widely used for Review@RRL the accurate characterisation of bulk properties Temporary Surface Passivation for of silicon wafers. The authors review the best Characterisation of Bulk Defects in available temporary passivation schemes for sili- Silicon: A Review con, including liquid immersion based upon acids, halogen-alcohols, benzyl-alcohols, and organic Nicholas E. Grant and John D. Murphy thin fi lm passivation. Practical considerations such as sample pre-cleaning, passivation activa- tion, and stability are discussed, and an outlook Phys. Status Solidi RRL 2017, 11, 1700243 for the future of the fi eld is provided. DOI 10.1002/pssr.201700243  Solar Blind Photodetector Based Alema et al. grew doped (Zn) and undoped -Ga2O3 epitaxial fi lms using MOCVD and fabricated the on Epitaxial Zinc Doped Ga2O3 Thin Film fi lms into MSM photodetectors. The Zn doped -Ga O detectors showed a peak responsivity of Fikadu Alema, Brian Hertog, Oleg Ledyaev, 2 3 4 Dmitry Volovik, Grant Thoma, Ross Miller, 210 A/W with a rejection ratio of 5 × 10 . The re- Andrei Osinsky, Partha Mukhopadhyay, sults provide a roadmap towards achieving high Sara Bakhshi, Haider Ali, and Winston responsivity SBPs with strong selectivity in the V. Schoenfeld solar blind spectral window. Phys. Status Solidi A 2017, 214, 1600688 DOI 10.1002/pssa.201600688 Review Article In order to continue to decrease cost and improve Dielectric Surface Passivation performance of silicon solar cells it is essential to for Silicon Solar Cells: A Review minimize electrical losses due to the recombina- tion of electron–hole pairs at cell surfaces. The most common approach is the application of a Ruy S. Bonilla, Bram Hoex, Phillip Hamer, dielectric coating to suppress these losses, which and Peter R. Wilshaw occur via a combination of different mechanisms. This review article examines the range of dielec- Phys. Status Solidi A 2017, 214, 1700293 tric coatings developed in the last two decades DOI 10.1002/pssa.201700293 and how these coatings act to increase cell per- formance. Feature Article The silicon vacancy color center, an atom-sized Coherence Properties and Quantum defect in diamond, has recently emerged as a Control of Silicon Vacancy Color Centers promising tool for solid-state-based quantum in Diamond technologies, due to its favorable optical proper- ties. In this review, the authors summarize the center's electronic and optical properties, as well Jonas Nils Becker and Christoph Becher as recent advances in controlling its quantum state, making it accessible for future quantum in- Phys. Status Solidi A 2017, 214, 1700586 formation processing applications. DOI 10.1002/pssa.201700586 Editor's Choice Both nanoscale nonmagnetic and magnetic gra- Broadening Electromagnetic Absorption phene hybrid fi llers have been