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000638523 1001_ $$0P:(DE-H253)PIP1099476$$aKao, Ming-Chao$$b0$$eFirst author$$udesy
000638523 245__ $$aSurface termination of $\beta$-Ga$_2$O$_3$(100) as-cleaved single crystals
000638523 260__ $$aMelville, NY$$bAmerican Inst. of Physics$$c2026
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000638523 520__ $$aThe surface of $\beta$-Ga$_2$O$_3$ single crystals cleaved along their (100) plane is investigated using surface X-ray diffraction and atomic force microscopy. The results show that the crystal cleaves at planes formed by edge-sharing oxygen octahedra, thereby breaking the longest and weakest Ga-O bonds. As a consequence, the exposed (100) surface is non-polar in nature. Owing to the crystal symmetry, terraces separated by half the a-axis length of approx. 0.6 nm are formed. These results are important in view of the use of $\beta$-Ga$_2$O$_3$ in thin film form, as exfoliated nano-belts or as nanoribbons in semiconductor high-power applications.
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000638523 7001_ $$0P:(DE-H253)PIP1111070$$aSchewe, Lukas$$b1
000638523 7001_ $$0P:(DE-HGF)0$$aAkhtar, Arub$$b2
000638523 7001_ $$0P:(DE-HGF)0$$aVlad, Alina$$b3
000638523 7001_ $$0P:(DE-H253)PIP1019138$$aKeller, Thomas F.$$b4
000638523 7001_ $$0P:(DE-HGF)0$$aHenkel, Karsten$$b5
000638523 7001_ $$0P:(DE-HGF)0$$aAnooz, Saud Bin$$b6
000638523 7001_ $$0P:(DE-HGF)0$$aPopp, Andreas$$b7
000638523 7001_ $$0P:(DE-HGF)0$$aGalazka, Zbigniew$$b8
000638523 7001_ $$0P:(DE-H253)PIP1008617$$aFlege, Jan Ingo$$b9
000638523 7001_ $$0P:(DE-H253)PIP1012873$$aStierle, Andreas$$b10
000638523 7001_ $$0P:(DE-H253)PIP1013931$$aVonk, Vedran$$b11$$eCorresponding author
000638523 773__ $$0PERI:(DE-600)1469436-0$$a10.1063/5.0309937$$n7$$p071601$$tApplied physics letters$$v128$$x0003-6951$$y2026
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