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Monolayer Bi2Se3−xTex: novel two-dimensional semiconductors with excellent stability and high electron mobility

Phys. Chem. Chem. Phys., 2020, 22,9685-9692
DOI: 10.1039/D0CP00729C, Paper
Yifan Liu, Yuanfeng Xu, Yanju Ji, Hao Zhang
The bandgaps for monolayers Bi2Se3, Bi2Se2Te and Bi2SeTe2 decrease under moderate strains ranging from −4% to 10%, and the predicted electron mobilities are high, reaching 2708 cm2 V−1 s−1 for Bi2SeTe2.
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Role of divalent cation (Ba) substitution in the Li+ ion conductor LiTi2(PO4)3: a molecular dynamics study

Phys. Chem. Chem. Phys., 2020, Advance Article
DOI: 10.1039/D0CP01053G, Paper
Kartik Sau, Tamio Ikeshoji, Supriya Roy
Influence of Ba2+ ordering on cationic diffusion: (a) three-dimensional low Li+ ion diffusion using randomly substituted Ba2+, and (b) two-dimensional layered type high Li+ ion diffusion using specifically ordered substitution of Ba2+.
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The United States and Japan’s Semiconductor Supply Chain Diversification Efforts Should Include Southeast Asia

Jeffrey D. Bean, East-West Center in Washington Visiting Fellow, explains that “Adjustments to enhance resiliency and mitigate disruption through developing semiconductor supply chains and investments outside of China, including in Southeast Asia, should be supported.“

 

Responding to oncoming U.S.-China commercial friction in recent years, firms operating in the complex, dense semiconductor ecosystem centered on the United States and Northeast Asia began a gradual evaluation of whether and how to reshape their supply chains and investments, and still maximize profit. As a foundational industry for maintaining economic competitiveness and national security, semiconductors serve as a keystone in U.S. and Japanese technological leadership.  Against the backdrop of nascent U.S.-China technology competition and the standstill from the coronavirus, adjustments  to enhance resiliency and mitigate disruption through developing semiconductor supply chains and investments outside of China, including in Southeast Asia, should be supported.    

The Japanese government’s April 8, 2020, announcement that it will support Japanese corporations in shifting operations out of China and reducing dependency on Chinese inputs reflects this impulse. While impressive sounding, the $2.2 billion Japan allocated as part of its larger stimulus package to counter the headwinds of the coronavirus, is a mere drop in the bucket for the semiconductor industry of what would be an immense cost to totally shift operations and supply chains out of China. Semiconductor manufacturing is among the most capital-intensive industries in the global economy. Moreover, costs within Japan to “bring manufacturing back” are very high. Despite this – while Japan is not the super power it once was in semiconductors – it still has cards to play. 

Concurrently, officials in the United States, through a combination of  concerns over security and lack of supply chain redundancy, are also pushing for new investments to locate a cutting-edge fabrication facility in the continental U.S. One idea is to build a new foundry operated by Taiwanese pure-play giant TSMC. The Trump administration is considering other incentives to increase attractiveness for companies to invest in new front-end facilities in the United States, to maintain the U.S. dominant position in the industry and secure supply for military applications. Global semiconductor companies may be reluctant. After all, investments, facilities, and the support eco-system in China are in place, and revenues from the Chinese market enable U.S. semiconductor firms to reinvest in the research and development that allows them to maintain their market lead. And in the United States, there may be limits on the pool of human capital to rapidly absorb extensive new advanced manufacturing capacity.   

But there are two factors in a geopolitical vise closing at unequal speed on companies in the industry that will increase supply chain disruption: China’s own semiconductor efforts and U.S.-Japanese export controls. As part of the Made in China 2025 industrial policy initiative, General Secretary Xi Jinping and Chinese Communist Party leadership have tripled down to overcome past failures in Chinese efforts to develop indigenous semiconductor manufacturing capability. Following penalties brought by the U.S. Department of Commerce against ZTE and then Huawei, the Chinese leadership’s resolve to reduce its dependence on U.S. semiconductors has crystalized. The Chinese government intends to halve U.S. sourced semiconductor imports by 2025 and be totally independent of U.S. chips by 2030. And while behind in many areas and accounting for the usual state-directed stumbles, Chinese companies have made some progress in designing AI chips and at the lower end of the memory storage market. Even if the overall goals may prove unattainable, firms should heed the writing on the wall – China only wants to buy U.S. chips for the short term and as soon as possible end all foreign dependence. 

Leaders in the United States and Japan are also crafting some of their first salvos in what is likely to be a generation-long competition over technology and the future of the regional economic order with China. The Trump administration, acting on a bipartisan impetus after years of Chinese IP theft and recognizing mounting hardware security concerns, has begun planning to implement additional export controls directed at Chinese companies and certain chips. Japan and the United States have also reportedly initiated dialogue about coordinating export controls in the area of semiconductor manufacturing equipment. 

Collectively, these policies will be highly disruptive to semiconductor value chains and downstream technology companies like Apple and NEC, which are dependent on these networks to maintain a cadence of new products every 18-24 months. Japan’s action to place export controls on critical chemical inputs for South Korean semiconductor firms in the summer of 2019 serves as a warning of the supply chain’s vulnerability to miscalculated policy. In short, Washington and Tokyo must tread carefully. Without support from other key actors like South Korea, Taiwan, and the Netherlands, and by failing to incorporate industry input, poorly calibrated export controls on semiconductors could severely damage U.S. and Japanese companies’ competitiveness.     

A third course out of the bind for semiconductor firms may be available: a combination of on-shoring, staying in China, and relocation. For semiconductor companies, the relocation portion will not happen overnight. Shifting supply chains takes time for a capital-intensive industry driven by know-how that has limited redundancy. Destinations worth exploring from both cost and security perspectives as alternatives to China include South and Southeast Asia. Specific ASEAN countries, namely Vietnam, Malaysia, Thailand, and Singapore, offer good prospects for investment. There is an existing industry presence in several locations in the region. Multinational firms already operating in Malaysia, Thailand, and Vietnam have benefited from diversification during the ongoing U.S.-China trade war, but are still dependent on Chinese inputs. Shifting low-value operations to Southeast Asia, such as systems integration, could likely be done relatively quickly – and some firms have – but shifting or adding additional high-value nodes such as back-end (assembly, packaging, and testing) facilities to the region will require incentives and support. At a minimum, a dedicated, coordinated effort on the part of the United States and Japan is essential to improve the investment environment.   

How can the United States and Japan help? Programs and initiatives are needed to address myriad weaknesses in Southeast Asia. Semiconductor manufacturing requires robust infrastructure, for example stable electricity supply, deep logistical networks, a large talent pool of engineers and STEM workers, and a technology ecosystem that includes startups and small or medium enterprises to fill gaps and provide innovations. The United States and Japan can fund high quality infrastructure, frame curriculum for semiconductor industry training through public-private partnerships, and help build capacity in logistical, regulatory, and judiciary systems.   

The burden in many of these areas will fall on specific Southeast Asian governments themselves, but the United States and Japan should assist. Effectively diversifying the regional technology supply chain to mitigate the impact of pending and future shocks may depend on it.




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Nanostructured semiconductors in porous alumina matrices: modeling, synthesis, and properties / Rishat G. Valeev, PhD, Alexander V. Vakhrushev, DSc, Aleksey Yu. Fedotov, PhD, Dmitrii I. Petukhov, PhD ; editorial board members, A.N. Beltiukov, A.L. Trigub,

Online Resource




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Fundamentals of power semiconductor devices / B. Jayant Baliga

Baliga, B. Jayant, 1948- author




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Characterization of semiconductor heterostructures and nanostructures / edited by Carlo Lamberti and Giovanni Agostini, University of Torino, Department of Chemistry, Via Quarello 11, I-10135 Torino, Italy

Barker Library - QC176.8.N35 C43 2013




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Semiconductor nanowires: optical and electronic characterization and applications: November 25-30, 2012, Boston, Massachusetts, USA / editors J. Arbiol, P.S. Lee, J. Piqueras, D.J. Sirbuly

Hayden Library - TK7874.85.S474 2012




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Semiconductor nanowires - synthesis, properties and applications: April 21-25, 2014, San Francisco, California, USA / editors, Y. Zhu, S. Gradecak, Y. Gu, J. Spanier

Hayden Library - TK7874.85.M425 2014




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Semiconductor nanowires / edited by Anna Fontcuberta i Morral, Shadi A. Dayeh, Chennupati Jagadish

Barker Library - TK7874.85.S45 2015




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Semiconductor nanowires - growth, physics, devices and applications: November 30 - December 5, 2014, Boston, Massachusetts, USA / editors, G. Koblmueller

Hayden Library - TK7874.85.S473 2014




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Semiconductor Nanotechnology: Advances in Information and Energy Processing and Storage / edited by Stephen M. Goodnick, Anatoli Korkin, Robert Nemanich

Online Resource




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Semiconductor lasers and diode-based light sources for biophotonics / edited by Peter E. Andersen, Paul Michael Petersen

Online Resource




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Semiconductor lasers and diode-based light sources for biophotonics / edited by Peter E. Andersen and Paul Michael Petersen

Hayden Library - QH515.S46 2018




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How Conductors Lead Musicians in Performance

Conductor and organist Kent Tritle explains all that goes into being a professional conductor. From the concepts of legato, marcato, fortissimo, and more, Kent breaks down what exactly his hand movements mean when leading a group of musicians. Filmed at the Cathedral of St. John the Divine, featuring Kent Tritle, Director of Cathedral Music and Organist, Cathedral of St. John the Divine.




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The new superconductors / Frank J. Owens and Charles P. Poole, Jr

Owens, Frank J




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Quantum states and scattering in semiconductor nanostructures / Camille Ndebeka-Bandou, ETH Zürich, Switzerland, Francesca Carosella, Ecole Normale Supérieure, France, Gérald Bastard, Ecole Normale Supérieure, France

Ndebeka-Bandou, Camille, 1987- author




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Superconductors : new developments / editor, Olga Moreira, Ph.D




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Fast Deposition of Ultrathin, Highly Crystalline Organic Semiconductor Film for High-Performance Transistors

Nanoscale Horiz., 2020, Accepted Manuscript
DOI: 10.1039/D0NH00096E, Communication
Xiali Zhang, Wei Deng, Bei Lu, Xiaochen Fang, Xiujuan Zhang, Jiansheng Jie
Ultrathin organic semiconductor (OSC) crystalline films hold the promise of achieving high-performance, flexible, and transparent organic electronic devices. However, fast and high-throughput solution deposition of uniform pinhole-free ultrathin OSC crystalline...
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Fluoro-alkyl substituted isothianaphthene bisimides as stable n-type semiconductors

Mater. Chem. Front., 2020, Advance Article
DOI: 10.1039/D0QM00137F, Research Article
Xiaolong Chen, Dongwei Zhang, Yaowu He, Muhammad Umair Ali, Yuting Wu, Changbin Zhao, Peiheng Wu, Chaoyi Yan, Fred Wudl, Hong Meng
Two fluoro-alkyl substituted isothianaphthene bisimide materials with high solubility and their applications in stable n-type OTFTs are demonstrated.
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[ASAP] Balancing Density Functional Theory Interaction Energies in Charged Dimers Precursors to Organic Semiconductors

Journal of Chemical Theory and Computation
DOI: 10.1021/acs.jctc.9b01193




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A novel design of donor–acceptor polymer semiconductors for printed electronics: application to transistors and gas sensors

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01341B, Paper
Hyung Jin Cheon, Xinlin Li, Yong Jin Jeong, Min Jae Sung, Zhijun Li, Inha Jeon, Xiaowu Tang, Henok Getachew Girma, Hoyoul Kong, Soon-Ki Kwon, Tae Kyu An, Se Hyun Kim, Yun-Hi Kim
This work reports the molecular engineering of polymeric semiconductors to get highly soluble inks, which enables the uniform deposition of semiconductors and contributes to high-performance transistor and sensor devices.
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Asymmetric organic semiconductors for high performance single crystalline field-effect transistors with low activation energy

J. Mater. Chem. C, 2020, Advance Article
DOI: 10.1039/D0TC01122C, Communication
Fei Qiu, Yicai Dong, Jie Liu, Yanan Sun, Hua Geng, Hantang Zhang, Danlei Zhu, Xiaosong Shi, Jianghong Liu, Jing Zhang, Shiyun Ai, Lang Jiang
We synthesized three asymmetric anthracene derivatives, in which 2-phvA shows a high field-effect mobility of 10 cm2 V−1 s−1. This work demonstrates the potential advantages of asymmetric structures for high-performance organic semiconductors.
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Suppression of the morphology mismatch in Graphene/ n-type Organic Semiconductor interfaces: a Scanning Kelvin Probe Force Microscopy investigation

J. Mater. Chem. C, 2020, Accepted Manuscript
DOI: 10.1039/D0TC01099E, Paper
Federico Chianese, Fabio Chiarella, Mario Barra, Andrea Candini, Marco Affronte, Antonio Cassinese
Contact resistance effects in n-type organic field-effect transistors (OFET) based on perylene-diimide thin films and monolayer CVD graphene electrodes have been investigated by Scanning Kelvin Probe Force Microscopy (SKPFM). SKPFM...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Prediction of high carrier mobility for a novel two-dimensional semiconductor of BC6N: first principles calculations

J. Mater. Chem. C, 2020, 8,5882-5893
DOI: 10.1039/D0TC00549E, Paper
Li-Bin Shi, Mei Yang, Shuo Cao, Qi You, Ya-Jing Zhang, Meng Qi, Kai-Cheng Zhang, Ping Qian
First principles calculations are performed to predict phonon-limited carrier mobility for a novel graphene-like semiconductor with BC6N stoichiometry.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Semiconductor optics. Heinz Kalt, Claus F. Klingshirn

Online Resource




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Multinary alloys based on III-V semiconductors / Vasyl Tomashyk

Online Resource




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Physics of semiconductors 2002: proceedings of the 26th international conference, Edinburgh, 29 July to 2 August 2002 / edited by J.H Davies and A.R Long

Online Resource




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Direct bandgap opening in sodium-doped antimonene quantum dots: an emerging 2D semiconductor

Mater. Horiz., 2020, Advance Article
DOI: 10.1039/D0MH00440E, Communication
Liang Hu, Zhenyu Xu, Fangchao Long, Jun Yuan, Hui Li, Ailun Zhao, Su-Ting Han, Nian Zhang, Xiaosong Liu, Chao Ma, Shuangchen Ruan, Yu-Jia Zeng
The electric field control of Raman scattering for small molecules can be realized in direct semiconducting antimonene-based field effect transistor.
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The content of this RSS Feed (c) The Royal Society of Chemistry




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Prediction of a two-dimensional high-TC f-electron ferromagnetic semiconductor

Mater. Horiz., 2020, Advance Article
DOI: 10.1039/D0MH00183J, Communication
Bing Wang, Xiwen Zhang, Yehui Zhang, Shijun Yuan, Yilv Guo, Shuai Dong, Jinlan Wang
Two-dimensional (2D) ferromagnetic semiconductors (FMSs) exhibit novel spin-dependent electronic and optical properties, opening up exciting opportunities for nanoscale spintronic devices.
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Key role of the meniscus shape in crystallization of organic semiconductors during meniscus-guided coating

Mater. Horiz., 2020, Advance Article
DOI: 10.1039/D0MH00141D, Communication
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Ke Zhang, Zuyuan Wang, Tomasz Marszalek, Michal Borkowski, George Fytas, Paul W. M. Blom, Wojciech Pisula
The crystallization and film formation of organic semiconductors are controlled by the meniscus shape during meniscus guided coating for field-effect transistors.
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[ASAP] Semiconductor Quantum Dots for Memories and Neuromorphic Computing Systems

Chemical Reviews
DOI: 10.1021/acs.chemrev.9b00730




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[ASAP] Wide Band Gap Chalcogenide Semiconductors

Chemical Reviews
DOI: 10.1021/acs.chemrev.9b00600




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[ASAP] Classical and Emerging Characterization Techniques for Investigation of Ion Transport Mechanisms in Crystalline Fast Ionic Conductors

Chemical Reviews
DOI: 10.1021/acs.chemrev.9b00747




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2019 IEEE BiCMOS and Compound semiconductor Integrated Circuits and Technology Symposium (BCICTS) [electronic journal].

IEEE / Institute of Electrical and Electronics Engineers Incorporated




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2019 16th China International Forum on Solid State Lighting & 2019 International Forum on Wide Bandgap Semiconductors China (SSLChina: IFWS) [electronic journal].




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[ASAP] Origin of Anisotropic Magnetic Properties in the Ferromagnetic Semiconductor CrSbSe<sub>3</sub> with a Pseudo-One-Dimensional Structure

The Journal of Physical Chemistry C
DOI: 10.1021/acs.jpcc.0c02101




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[ASAP] Sandwiched CdS/Au/ZnO Nanorods with Enhanced Ultraviolet and Visible Photochemical and Photoelectrochemical Properties via Semiconductor and Metal Cosensitizing

The Journal of Physical Chemistry C
DOI: 10.1021/acs.jpcc.0c00997




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Vapor crystal growth and characterization: ZnSe and related II-VI compound semiconductors / Ching-Hua Su

Online Resource




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Enabling high performance n-type metal oxide semiconductors at low temperatures for thin film transistors

Inorg. Chem. Front., 2020, 7,1822-1844
DOI: 10.1039/D0QI00038H, Review Article
Nidhi Tiwari, Amoolya Nirmal, Mohit Rameshchandra Kulkarni, Rohit Abraham John, Nripan Mathews
The review highlights low temperature activation processes for high performance n-type metal oxide semiconductors for TFTs.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Semiconductor radiation detectors: technology and applications / Salim Reza

Online Resource




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Evolutionary chemical space exploration for functional materials: computational organic semiconductor discovery

Chem. Sci., 2020, Advance Article
DOI: 10.1039/D0SC00554A, Edge Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Chi Y. Cheng, Josh E. Campbell, Graeme M. Day
Evolutionary optimisation and crystal structure prediction are used to explore chemical space for molecular organic semiconductors.
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A time-domain view of charge carriers in semiconductor nanocrystal solids

Chem. Sci., 2020, Advance Article
DOI: 10.1039/C9SC05925C, Perspective
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Wenbi Shcherbakov-Wu, William A. Tisdale
Time-domain spectroscopy and transient photocurrent techniques have revealed new understanding of mesoscale carrier dynamics in nanocrystal solids, including the role of energetic disorder, interactions with trap states, and nonequilibrium dynamics
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Gold(III) bis(dithiolene) complexes: from molecular conductors to prospective anticancer, antimicrobial and antiplasmodial agents

Metallomics, 2020, Accepted Manuscript
DOI: 10.1039/D0MT00064G, Paper
Diana Fontinha, Silvia Andreia Sousa, Tânia S. Morais, Miguel Prudêncio, Jorge Leitão, Yann Le Gal, Dominique Lorcy, Rafaela Silva, Mariana Velho, Dulce Belo, Manuel Almeida, Joana Guerreiro, Teresa Pinheiro, Fernanda M. Marques
The anticancer, antimicrobial and antiplasmodial activities of six gold(III) bis(dithiolene) complexes were studied. Complexes (1-6) showed relevant anticancer properties against A2780/A2780cisR ovarian cancer cells (IC50 values of 0.08-2 µM), also...
The content of this RSS Feed (c) The Royal Society of Chemistry




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[ASAP] Photoinduced Surface Activation of Semiconductor Photocatalysts under Reaction Conditions: A Commonly Overlooked Phenomenon in Photocatalysis

ACS Catalysis
DOI: 10.1021/acscatal.0c00462




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[ASAP] Development of Lipid-Coated Semiconductor Nanosensors for Recording of Membrane Potential in Neurons

ACS Photonics
DOI: 10.1021/acsphotonics.9b01558




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[ASAP] Strain-Correlated Localized Exciton Energy in Atomically Thin Semiconductors

ACS Photonics
DOI: 10.1021/acsphotonics.0c00626




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Handbook of semiconductor nanostructures and nanodevices / edited by Alexander A. Balandin, Kang L. Wang




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Semiconductor gas sensors / edited by Raivo Jaaniso, Ooi Kiang Tan

Barker Library - TP754 J336 2019




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Tin based organic-inorganic hybrid semiconductors with reversible phase transition and dielectric anomaly

Dalton Trans., 2020, Accepted Manuscript
DOI: 10.1039/D0DT01401J, Paper
Zhenhong Wei, Xiuli You, Jiaojiao Yao
Organic−inorganic hybrid materials with perovskite structure have recently attracted tremendous interest due to their structural tunability and rich functional properties, such as phase transition and photoelectric properties. Within this context,...
The content of this RSS Feed (c) The Royal Society of Chemistry




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Superconductors from outer space

Some meteorites contain superconducting alloys