In　this　study,　we　report　the　growth　of　free-standing　InAs　nanosheets　using　Au　catalysts　in　molecular　beam　epitaxy.　Detailed　structural　characterizations　suggest　that　wurtzite　structured　InAs　nanosheets,　with　features　of　extensive　{112　over　bar　0}\documentclass[12pt]{minimal}　\usepackage{amsmath}　\usepackage{wasysym}　\usepackage{amsfonts}　\usepackage{amssymb}　\usepackage{amsbsy}　\usepackage{mathrsfs}　\usepackage{upgreek}　\setlength{\oddsidemargin}{-69pt}　\begin{document}$$\{11\overline{2}0\}$$\end{document}　direction　and　adopted　{0001}　nanosheet/catalyst　interfaces,　are　initiated　from　wurtzite　structured　[0001　over　bar　]\documentclass[12pt]{minimal}　\usepackage{amsmath}　\usepackage{wasysym}　\usepackage{amsfonts}　\usepackage{amssymb}　\usepackage{amsbsy}　\usepackage{mathrsfs}　\usepackage{upgreek}　\setlength{\oddsidemargin}{-69pt}　\begin{document}$$[000\overline{1}]$$\end{document}　nanowires　as　the　inclined　epitaxial　growth　due　to　relatively　higher　In　concentrations　in　Au　catalysts,　and　grown　from　these　inclined　nanostructures　through　catalyst-induced　axial　growth　and　their　enhanced　lateral　growth　under　the　high　growth　temperature.　Based　on　the　facts　that　the　nanosheets　contain　large　low　energy　{112　over　bar　0}\documentclass[12pt]{minimal}　\usepackage{amsmath}　\usepackage{wasysym}　\usepackage{amsfonts}　\usepackage{amssymb}　\usepackage{amsbsy}　\usepackage{mathrsfs}　\usepackage{upgreek}　\setlength{\oddsidemargin}{-69pt}　\begin{document}$$\{11\overline{2}0\}$$\end{document}　surfaces　and　{0001}　nanosheet/catalyst　interfaces,　the　growth　of　our　nanosheets　is　a　thermodynamically　driven　process.　This　study　provides　new　insights　into　fabricating　free-standing　III-V　nanosheets　for　their　applications　in　future　nanoscale　devices.　＜g