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ÔʼÎÄÕ£ºTianshu Li, Ideal strength and phonon instability in single-layer MoS, Phys. Rev. B 85, 235407 ¨C Published 4 June 2012, http://journals.aps.org/prb/abstract/10.1103/PhysRevB.85.235407 comment: Ryan C. Cooper, Jeffrey W. Kysar, and Chris A. Marianetti, Comment on ¡°Ideal strength and phonon instability in single-layer ¡± Phys. Rev. B 90, 167401 (2014) £¨T. LiµÄÎÄÕÂÀïµÄ¼ÆËã½á¹ûÓÐЩÓëR. C. CooperµÈÈ˵Ľá¹ûÓкܴó²î±ð£¬ÌرðÊÇMoS2ÔڱȽϴóµÄÓ¦±äʱÁ¦µÄÓ¦Á¦¼ÆËãÊý¾Ý£¬R. C. CooperµÈÈË»³ÒÉT. LiµÄÎÄÕÂÀïMoS2¼ÆËã½á¹ûÊDz»ÊÊÒ˵IJ½ÖèËùµ¼Ö£© Reply: Tianshu Li, Reply to ¡°Comment on ¡®Ideal strength and phonon instability in single-layer ¡¯ ¡± Phys. Rev. B 90, 167402 (2014) £¨T. LiµÄ»Ø¸´Ö¸³ö²î±ðµÄÔÒò£º ÔÚÓÚËû×Ô¼ºÎÄÕÂÀ¼ÆËãMoS2ÔÚÓ¦±äϵÄÓ¦Á¦Ã»Óп¼ÂÇÔ×ÓλÖýøÐеÄin-plane relaxation)¡£ In conclusion, we identify the in-plane atomic relaxation as the root for the discrepancy between our previous paper and Cooper et al. on the reported uniaxial stress-strain curves along the zigzag and armchair directions of single layer MoS2. ¼ÆËãÓ¦±äϵÄÓ¦Á¦£¬ÐèÒª½øÐÐÔ×ÓλÖóÚÔ¥£¬²»×öÔ×ÓλÖõijÚÔ¥µÃµ½µÄ½á¹ûÔÚÌÖÂÛ²ÄÁϵÄʧЧ¾ÍûÓжà´óµÄ˵·þÁ¦ÁË¡£ ¸½¼þÀïµÄPDFÎļþºÏ²¢ÁËËùÓÐÏà¹ØµÄÎÄÕ¡£ |
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