Results 151 to 160 of about 1,294,547 (334)

Livre acesso à publicação acadêmica

open access: yesCiência da Informação, 2005
Descreve a criação e o desenvolvimento de um catálogo de periódicos eletrônicos de livre acesso ao texto completo, mantido pelo Centro de Informações Nucleares, da Comissão Nacional de Energia Nuclear, como suporte das atividades de busca e localização ...
Teodora Marly Gama das Neves
doaj  

Quantum Emitters in Hexagonal Boron Nitride: Principles, Engineering and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum emitters in hexagonal boron nitride have emerged as a promising candidate for quantum information science. This review examines the fundamentals of these quantum emitters, including their level structures, defect engineering, and their possible chemical structures.
Thi Ngoc Anh Mai   +8 more
wiley   +1 more source

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

open access: yesAdvanced Functional Materials, EarlyView.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner   +9 more
wiley   +1 more source

The Analysis of Strategies of Development of Book Publishing in Russia

open access: yesУправленческое консультирование, 2018
The article discusses the strategy of development of book publishing in Russia. It is revealed that in the press there are two types of strategies: the development of the publishing companies and holdings, as well as the proposed strategy of development ...
Igor Igorevich Ordinartsev
doaj  

Single Pair of Weyl Points Evolve From Spin Group‐Protected Nodal Line in Half‐Metallic Ferromagnet V3S4

open access: yesAdvanced Functional Materials, EarlyView.
A spin group (SG)‐based mechanism is proposed to realize a single pair of Weyl points. PT‐symmetric nodal lines (NLs) persist under T‐breaking, protected by the combination of SG and P symmetry. When considering spin‐orbit coupling, the SG‐protected NL will split into Weyl points, which will also induce anomalous transport phenomena arising from ...
Shifeng Qian   +6 more
wiley   +1 more source

Journal of Electronic Publishing {Announcement}

open access: yesIssues in Science and Technology Librarianship, 1995
Not applicable
doaj   +1 more source

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