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Investigation of microstructure, composition and electroconductivity of CuOx ceramics before and after influence of laser radiation

机译：激光辐照前后CuOx陶瓷的微观结构，组成和导电性研究

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The influence of laser radiation is one of the means of changing the microstructure, physical properties of solids and stabilizing metastable states. In this work we investigate the influence of laser radiation on surface morphology, composition and electrical conduction of copper oxide ceramic samples. The samples were synthesized under different conditions; part of them was covered by copper film and subjected to additional thermal treatment. The laser processing of crystal surfaces was carried out by the radiation by the second and third harmonics of a YAG:Nd laser. We have studied the temperature dependence of resistivity and the volt-ampere characteristics of the samples within the 77-300 K temperature range. In some of the samples we have observed HTSC-like drop of resistivity at ≤ 250 K temperatures.

机译：激光辐射的影响是改变固体的微观结构，物理性质和稳定亚稳态的手段之一。在这项工作中，我们研究了激光辐射对氧化铜陶瓷样品的表面形态，组成和导电性的影响。样品是在不同条件下合成的。它们的一部分被铜膜覆盖并经受额外的热处理。 YAG：Nd激光器的二次谐波和三次谐波通过辐射对晶体表面进行激光加工。我们研究了在77-300 K温度范围内样品的电阻率和伏安特性的温度依赖性。在某些样品中，我们观察到在≤250 K温度下类似HTSC的电阻率下降。

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来源
《International conference on laser physics 2010》|2010年|p.1-9|共9页
会议地点 Ashtarak(AM)
作者
A. S. Kuzanyan; V. A. Petrosyan; V. T. Tatoyan; V. S. Kuzanyan; V. R. Nikoghosyan; V. H. Vardanyan; S. Kh. Pilosyan; A. M. Gulian;
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作者单位

Institute for Physical Research (Armenia);

P.N. Lebedev Physical Institute (Russian Federation);

Physics Art Frontiers (USA);

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原文格式 PDF
正文语种 eng
中图分类激光物理和基本理论;
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专利

1. Influence of Sintering Conditions and Laser Radiation on the Surface Microstructure, Chemical Composition, and Electrical Conductivity of CuO/Ag Ceramics [J] . A. S. Kuzanyan, S. T. Pashayan, V. S. Kuzanyan, Physics of the solid state . 2014,第4期

机译：烧结条件和激光辐射对CuO / Ag陶瓷表面微观结构，化学成分和电导率的影响
2. Influence of Sintering Conditions and Laser Irradiation on Electroconductivity of CuO/Ag Ceramics [J] . A. S. Kuzanyan, S. T. Pashayan, V. T. Tatoyan Journal of contemporary physics . 2014,第1期

机译：烧结条件和激光辐照对CuO / Ag陶瓷导电性的影响
3. CuOx CERAMIC SAMPLES PROPERTIES BEFORE AND AFTER LASER IRRADIATION [J] . A.S. KUZANYAN, S.T. PASHAYAN, V.T. TATOYAN, International Journal of Modern Physics: Conference Series . 2012,第2期

机译：激光辐照前后的CuOx陶瓷样品性能
4. Investigation of microstructure, composition and electroconductivity of CuOx ceramics before and after influence of laser radiation [C] . A. S. Kuzanyan, V. A. Petrosyan, V. T. Tatoyan, International conference on laser physics . 2011

机译：Cux陶瓷在激光辐射前后Cux陶瓷微观结构，组成和导电性研究
5. Microstructure development, compositional/physical gradient formation and related mechanical properties of gas-pressure-sintered silicon nitride ceramics. [D] . Tiegs, Terry Norman. 1997

机译：气压烧结氮化硅陶瓷的微观结构发展，成分/物理梯度形成及相关的机械性能。
6. Transparent non-cubic laser ceramics with fine microstructure [O] . Hiroaki Furuse, Naohiro Horiuchi, Byung-Nam Kim -1

机译：微观结构精细的透明非立方激光陶瓷
7. Investigation of the microstructure of Ni and B4C ceramic-metal mixtures obtained by cold spray coating and followed by laser cladding [O] . A. A. Filippov, V. M. Fomin, A. M. Orishich, 2017

机译：通过冷喷涂镀锌和B4C陶瓷混合物的微观结构研究，然后用激光熔覆

Investigation of microstructure, composition and electroconductivity of CuOx ceramics before and after influence of laser radiation

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