\begin{table}
\caption{SAW parameters of selected substrate materials\cite{campbell1991surface}}
\label{materialtable}
\begin{tabular}{lm{1.5cm}m{1cm\centering}m{2cm}cm{2.5cm}m{3cm}}
\hline
\textbf{Material}&\textbf{Crystal Cut}&\textbf{SAW Axis}&\textbf{SAW Velocity (m/s)}& \textbf{$K^2(\%)$}& \textbf{Temperature coefficient of Delay (ppm/\textcelsius)}&\textbf{Application}\\
\hline
Quartz& ST&X&3158& 0.11&0&Oscillators,Filters\\
$LiNbO_3$&Y&Z&3488 &4.5& +94&Wide-band filters\\
$LiNbO_3$&128\textdegree&X&3992&5.3&+75&Wide-band filters\\
\vspace{.3cm}
$Bi_12GeO_20$&110&001& 1681&1.4&+120&Long delay times\\
$LiTaO_3$&Y&Z&3230&0.72&+35&Oscillators\\
GaAs&\textless001\textgreater&(110)&\textless2841&\textless0.06&-49&Semiconductor IC\\
\hline
\end{tabular}
\end{table}
答案1
我会按照以下方式编写您的表格:
- 使用
tabularray
表格包,其列说明符具有简单的语法来声明在单元格中居中的文本(参见下面的 MWE) - 使用
mhchem
包(如评论中所建议)进行化学表达式, - 对于水平规则,使用
booktabs
包中定义的规则(作为tabularray
库加载) - 对于单位和数量使用
siunitx
包
MWE(最小工作示例):
\documentclass{article}
\usepackage{geometry}
%--------------- show page layout. don't use in a real document!
\usepackage{showframe}
\renewcommand\ShowFrameLinethickness{0.15pt}
\renewcommand*\ShowFrameColor{\color{red}}
%---------------------------------------------------------------%
\usepackage[T1]{fontenc}
\usepackage{tabularray}
\UseTblrLibrary{booktabs, siunitx}
\sisetup{input-comparators,
retain-explicit-plus}
\usepackage[version=4]{mhchem}
\begin{document}
\begin{table}[htb]
\caption{SAW parameters of selected substrate materials \cite{campbell1991surface}}
\label{materialtable}
\centering
\begin{tblr}{colsep=4pt,
colspec = {@{} l *{2}{X[c]}
X[2, c, si={table-format={<\,}4.0}]
X[ c, si={table-format={<\,}1.3}, mode=math]
X[2.2, c, si={table-format=-3.0}]
l
@{}},
row{1} = {guard, m, font=\small\bfseries}
}
\toprule
Material
& Crystal Cut
& SAW Axis
& SAW Velocity (\unit{meter\per\second})
& K^2\ (\%)
& Temperature coefficient of Delay (\unit{ppm\per\degreeCelsius})
& Application \\
\midrule
Quartz & ST & X & 3158 & 0.11 & 0 & Oscillators, Filters \\
\ce{LiNbO3} & Y & Z & 3488 & 4.5 & +94 & Wide-band filters \\
\ce{LiNbO3} & \qty{128}{\degree} & X & 3992 & 5.3 & +75 & Wide-band filters \\
\ce{Bi12GeO20} & 110 & 001 & 1681 & 1.4 & +120 & Long delay times \\
\addlinespace
\ce{LiTaO3} & Y & Z & 3230 & 0.72 & +35 & Oscillators \\
\ce{GaAs} & <001> & (110) & <2841 & <0.06 & -49 & Semiconductor IC \\
\bottomrule
\end{tblr}
\end{table}
\end{document}
(红线表示页面布局)