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lattice parameter中文是什么意思

  • 点阵参数
  • 晶格参数
  • 晶格常数

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  • 例句与用法
  • Alloy fabricated by arc melting consists of continuous nbssi matrix and dispersive distributed nb particles . the metastable nbasi phase is found to have a tetragonal crystal structure with space group p42 / n and lattice parameters a = 1 . 021nm , c = 0 . 519nm
    O 0 )金属间化合物的显微组织由连续的nb3si基体、弥散分布的nb粒子组成,其中亚稳态相nb3si为四方结构,空间群p42 n ,点阵常数a l
  • The attice parameter change due to heat treatment and c doping does not alter this ptimum orientation relationship but only slightly adjust the deviation angles . the alculated angles between ( 111 ) s , and ( 110 ) p all is 4 ? 6 ? for the lattice parameters neasured
    另外还计算出( 111 ) s ;与( 11 ) p之间全部有4 ”一6 ”的空间角,将这个角投影至001 p方向或n刁1入;方向,就可以从理论上解释为什么会在高分辨照片上观察到的近4 ”的转角。
  • The heteroepitaxial growth of 3c - sic on si substrate not only unfurls the maturity of si process , but also incarnates the excellence of 3c - sic , so that it become for long researchful direction . due to the large lattice parameter mismatch ( ~ 20 % ) and the large thermal expansion coefficient mismatch ( ~ 8 % ) , however , the 3c - sic / si study is very difficult
    然而,由于3c - sic与si之间存在较大的晶格失配度(约20 % )和热膨胀系数差异(约8 % ) ,因此, 3c - sic / si异质外延薄膜的制备非常困难,仍存在许多技术问题需要克服。
  • This thesis focuses on the study of the layered lithium nickel - based oxides as catho de materials lithium - ion batteries , the main aspects follow : 1 study on the synthesis and properties of linixco1 - xo2 by the sol - gel method compared with solid - state method , sol - gel method enjoys the advantage of lower calcining temperature and small uniform particle size of products . after the xrd measurement , it was shown that the single - phase layered compound can be prepared in sintering temperature of 750 for 6 ~ 8 hours . the sintering temperature , the properties and the amounts of doping materials can all affect the product ' s phase , and its structure ( lattice parameter , crystal phase distance )
    本论文的研究工作主要集中在作为锂离子电池正极材料的层状锂镍基氧化物上,包括以下几个方面: 1溶胶凝胶法( sol - gel )合成lini _ xco _ ( 1 - x ) o _ 2的研究与固相合成法相比,溶胶凝胶法合成lini _ xco _ ( 1 - x ) o _ 2煅烧温度低,产物颗粒均匀一致,经过xrd的测试过后,结果表明750下烧结6 8小时,即可得到单相产物;烧结温度,掺杂剂的种类及掺杂剂量均对产物物相的形成产生影响,并对产物的结构产生影响。
  • High quality epitaxial sto / ybco multilayers can be fabricated due to their similar crystal structure and small lattice parameters mismatch . the filter made from sto / ybco thin films shows high tunable speed , low microwave loss and high power handling capability . so sto / ybco multilayers have attracted much interests for electronically tunable filter in the last decade
    因此,利用高质量sto / ybco外延薄膜研制的滤波器具有响应速度快、微波损耗低、调谐范围大、承载功率高等优点,是一种极具竞争力的电调滤波器技术方案,也是当前的研究热点和开发重点。
  • Another phase , the high temperature phase , is hexagonal with space group p - 62m , which is stable from 300 to 800 . the lattice parameter and the full width of half maximum ( fwhm ) of xrd peaks of u3o8 were also investigated at different temperature , and it were found that they change with the temperature under rules
    在两种相结构各自稳定的温度范围内, u _ 3o _ 8的点阵参数以及衍射峰半高宽( fwhm )出现了有规律的变化,这种变化表明u _ 3o _ 8的晶体结构依赖于环境温度的变化。
  • Thirdly , mg ~ ( 2 + ) was doped to the lattice to improve the electric conduction of the cathode material lifepo4 . due to mg ~ ( 2 + ) doped enter into the position of lithium , the lattice parameter occurred to change but the crystallinity of the cathode material lifepo4 is excellent and the initial discharge capability could get 130mah . g - 1
    以上说明,采用适当的合成方法,细化lifepo _ 4的晶粒尺寸、提高lifepo _ 4的表层及体电导率,是改善橄榄石型lifepo _ 4锂离子正极材料电化学性能的有效途径。
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Last modified time:Fri, 15 Aug 2025 00:29:56 GMT

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