Visible light modulation and anomalous thermal transport in two-dimensional <i>X</i>-AlN (<i>X</i> = C, Si, TC) semiconductor

Zhao Gang; Liang Han-Pu; Duan Yi-Feng

doi:10.7498/aps.72.20230116

Abstract

Aluminum nitride (AlN) is of paramount importance in developing electronic devices because of excellent stability and thermal transport performance. However, lack of novel materials which can provide colorful physical and chemical properties seriously hinders further digging out application potential. In this work, we perform an evolutionary structural search based on first-principles calculation and verify the dynamic and thermal dynamic stability of porous buckled AlN and X-AlN (X = C, Si, TC) structural system, which constructs by introducing C, Si atoms and triangular carbon (TC) into the porous vacancy of AlN, by calculating phonon spectra and first-principles molecular dynamic simulations. Structural deformation becomes gradually serious with the increase of structural unit size and significantly influences structural, electronic, and thermal transport properties. Firstly, we point out that a flat energy band appears around the Fermi level in C-AlN and Si-AlN because of weak interatomic interaction between C/Si and the neighbor Al atoms. Unoccupied C-/Si-p_z and Al-p_z do not form $ {\rm{\pi }} $ bond and only a localized flat band near Fermi level arises, and thus the absorption peaks of structures are enhanced and the red shift occurs. Bonding state of $ {\rm{\pi }} $ bond from hybridized C-p_z orbitals in triangular carbon of TC-AlN lowers the energy of conduction band at K point in the first Brillouin zone and the corresponding antibonding state raises the band at Γ, therefore transition from indirect bandgap of AlN to direct bandgap of TC-AlN appears. Secondly, porous buckled AlN shows the lowest thermal conductivity due to asymmetric Al—N bonds around the porous vacancy and vertically stacked N—N bonds. Introduced C and Si atoms both reduce structural anharmonicity, while the former has a relatively small distortion, and so it has a higher thermal conductivity. Triangular carbon in TC-AlN hinders phonon scattering between FA mode and other phonon modes and has the weakest anharmonicity because of the strongest bond strength, and obtains the highest thermal transport performance. Finally, we unveil the physical mechanism of anomalous thermal conductivity in X-AlN system by modulating the biaxial tensile strain. Enhanced vertical N—N bonds dominate thermal transport due to its weaker anharmonicity with a slightly strain, and when tensile strain is above the 4%, soften phonon modes reduce phonon velocity and thus hinders the thermal transport process. Therefore, occurs the anomalous thermal transport behavior, i.e. thermal conductivity first rises and then drops with applied biaxial strain increasing. Our work paves the way for modulating two-dimensional AlN performance and provides a new insight for designing promising novel two-dimensional semiconductors.

Keywords:

Authors and contacts

1.
School of Materials and Physics, China University of Mining and Technology, Xuzhou 221116, China
2.
Beijing Computational Science Research Center, Beijing 100193, China

Corresponding author: Duan Yi-Feng, yifeng@cumt.edu.cn

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 11774416).

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References

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[34]	Kresse H, Hafner J 1993 Phys. Rev. B 47 558 Google Scholar
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[36]	Kresse H, Furthmüller J 1996 Phys. Rev. B 54 11169 Google Scholar
[37]	Perdew J P, Burke K, Ernzerhof M 1996 Phys. Rev. Lett. 77 3865 Google Scholar
[38]	Heyd J, Scueria G E, Ernzerhof M 2003 J. Chem. Phys. 118 8207 Google Scholar
[39]	Jia W, Fu J, Cao Z, Wang L, Chi X, Gao W, Wang L W 2013 Comput. Phys. Commun. 251 102 Google Scholar
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[42]	Li W, Carrete J, Katcho N A, Mingo N 2014 Comput. Phys. Commun. 185 1747 Google Scholar
[43]	Homayoun J, Bahram A R, Mahdi F 2018 Solid State Commun. 282 21 Google Scholar
[44]	程正富, 郑瑞伦 2016 65 104701 Google Scholar Cheng Z F, Zheng R L 2016 Acta Phys. Sin. 65 104701 Google Scholar
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[46]	Koh Y R, Mamun A, Bin Hoque M S, Liu Z Y, Bai T Y, Hussain K, Liao M E, Li R Y, Gaskins J T, Giri A, Tomko J, Braun J L, Gaevski M, Lee E, Yates L, Goorsky M S, Luo T F, Khan A, Graham S, Hopkins P E 2020 ACS Appl. Mater. Interfaces 12 29443
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Cited By

图 1 孔状皱面AlN以及由AlN的孔中引入C, Si原子与碳三角环的C-AlN, Si-AlN和TC-AlN的晶格结构

Figure 1. Lattice structure of porous buckled AlN and AlN-C, AlN-Si and AlN-TC, which construct by introducing C, Si atoms and triangular carbon (TC) in AlN.

DownLoad: Full-Size Img PowerPoint

图 2 (a) AlN, (b) C-AlN, (c) Si-AlN 与 (d) TC-AlN的电子结构及其态密度. 费米面附近能带的部分电荷分布图插入在电子结构图中

Figure 2. Electronic structure and density of states of (a) AlN, (b) C-AlN, (c) Si-AlN, and (d) TC-AlN. Partial charge distributions of the band near the Fermi level are inserted in the electronic structures.

DownLoad: Full-Size Img PowerPoint

图 3 孔状皱面AlN与X-AlN (X = C, Si, TC)的光吸收系数

Figure 3. Optical absorption coefficients of porous buckled AlN and X-AlN (X = C, Si, TC).

DownLoad: Full-Size Img PowerPoint

图 4 孔状皱面AlN与X-AlN (X = C, Si, TC)的(a)在300 K下的晶格热导率, (b) 各声子支相对热导贡献, (d) 声子弛豫时间与(e) 声子群速度平方. (c) TC-AlN前九支声子支非谐散射率在第一布里渊区中的分布. 图(a)中的插图为随温度变化的晶格热导率; 图(b)中的插图为TC-AlN声子支的热导贡献

Figure 4. (a) Lattice thermal conductivity at 300 K, (b) relative thermal conductivity contribution of each phonon branch, (d) phonon relaxation time and (e) square of phonon group velocity for porous buckled AlN and X-AlN (X = C, Si, TC). (c) The distribution of anharmonic scattering rates of the first 9 phonon branches of TC-AlN in the first Brillouin zone. The lattice thermal conductivity versus temperature is inserted in panel (a); the thermal conductivity contribution of each phonon branch of TC-AlN is inserted in panel (b).

DownLoad: Full-Size Img PowerPoint

图 5 孔状皱面AlN与X-AlN (X = C, Si)随频率变化的(a)声子群速度、(b)非谐散射率和(c)晶格热导率

Figure 5. (a) Phonon group velocity, (b) anharmonic scattering rates, and (c) lattice thermal conductivity versus frequency for porous buckled AlN and X-AlN (X = C, Si).

DownLoad: Full-Size Img PowerPoint

图 6 在不同应变下X-AlN (X = C, Si, TC)的(a) 300 K下晶格热导率、(b) N—N键键强. TC-AlN的(c)非谐散射率与(d)频率变化的晶格热导. 8%应力下N—N键键长改变量、随应力变化的键长与群速度作为插图分别在图(a), 图(b), 图(c) 中

Figure 6. (a) Lattice thermal conductivity at 300 K and (b) N—N bond strength at different strains for X-AlN (X = C, Si and TC). (c) Anharmonic scattering rates and (d) lattice thermal conductivity distribution versus frequency for TC-AlN. The changes of N—N bond length at 8% strain, bond lengths with variation of strains, and group velocity of TC-AlN as the insets of panels (a), (b), and (c), respectively.

DownLoad: Full-Size Img PowerPoint

表 1 X-AlN (X = C, Si, TC)的结构参数与电子、结构和热学性质. 其中键角$ \alpha $为孔状空位边缘N—Al—N的角度, 键长为所引入原子X与临近Al成键的键长

Table 1. Structural parameters and electronic, structural and thermal properties of X-AlN (X = C, Si, TC). Bond angle $ \alpha $ locates at the N—Al—N near the porous vacancy, and bond length is the distance between the introduced atoms and the neighbor Al.

结构	晶格常数/Å	键角$ \alpha / $(°)	键长/Å	杨氏模量 /(N·m^–1)	泊松比	带隙/eV	热导率/(W·m^–1·K^–1)
AlN	5.12	113.90	—	70.57	0.39	4.12/间接	6.86
C-AlN	5.51	122.08	1.94	89.02	0.50	0.65/间接	17.30
Si-AlN	5.89	138.38	2.44	79.28	0.47	1.85/间接	10.08
TC-AlN	6.08	167.63	1.96	90.95	0.41	3.95/直接	123.75

DownLoad: CSV

map

[1]	Robinson J A 2018 APL Mater. 6 058202 Google Scholar
[2]	Shi L, Xu A, Zhao T 2017 ACS Appl. Mater. Interfaces 9 1987 Google Scholar
[3]	Cai Y, Liu Y, Xie Y, Zou Y, Gao C, Zhao Y, Liu S, Xu H, Shi J, Guo S, Sun C 2020 APL Mater. 8 021107 Google Scholar
[4]	叶倩, 沈阳, 袁野, 赵祎峰, 段纯刚 2020 69 217710 Google Scholar Ye Q, Shen Y, Yuan Y, Zhao Y F, Duan C G 2020 Acta Phys. Sin. 69 217710 Google Scholar
[5]	陈蓉, 王远帆, 王熠欣, 梁前, 谢泉 2022 71 127301 Google Scholar Chen R, Wang Y F, Wang Y X, Liang Q, Xie Q 2022 Acta Phys. Sin. 71 127301 Google Scholar
[6]	Liang H P, Duan Y F 2022 Chin. Phys. B 31 076301 Google Scholar
[7]	Lü F, Liang H P, Duan Y F 2023 J. Phys. Chem. Lett. 14 663 Google Scholar
[8]	Wan X G, Turner A M, Vishwanath A, Savrasov S Y 2011 Phys. Rev. B 83 205101 Google Scholar
[9]	Liang H P, Duan Y F 2021 Nanoscale 13 11994 Google Scholar
[10]	Akal L, Kusuki Y, N Shiba, Takayanagi T, Wei Z X 2021 Phys. Rev. Lett. 126 061604 Google Scholar
[11]	Novoselov K S, Geim A K, Morozov S V, Jiang D, Zhang Y, Dubonos S V, Grigorieva I V, Firsov A 2004 Science 306 666 Google Scholar
[12]	卢晓波, 张广宇 2015 64 077305 Google Scholar Lu X B, Zhang G Y 2015 Acta Phys. Sin. 64 077305 Google Scholar
[13]	Cao Y, Fatemi V, Fang S, Watanabe K, Taniguchi T, Kaxiras E, Jarillo-Herrero P 2018 Nature 556 43 Google Scholar
[14]	Tan X, Xin Z Y, Liu X J, Mu Q G 2013 Adv. Mater. Research 821 841
[15]	Shimada K, Sota T, Suzuki K 1998 J. Appl. Phys. 84 4951 Google Scholar
[16]	Zhang H, Yu S, Liu F, Wang Z, Lu M, Hu X, Chen Y, Xu X 2017 Sci. Chin. Phys. Mech. Astron. 60 044311 Google Scholar
[17]	冯嘉恒, 唐立丹, 刘邦武, 夏洋, 王冰 2013 62 116302 Google Scholar Feng J H, Tang L D, Liu B W, Xia Y, Wang B 2013 Acta Phys. Sin. 62 116302 Google Scholar
[18]	林竹, 郭志友, 毕艳君, 董玉成 2009 58 191707 Google Scholar Lin Z, Guo Z Y, Bi Y Z, Dong Y C 2009 Acta phys. Sin. 58 191707 Google Scholar
[19]	程丽, 王德兴, 张杨, 苏丽萍, 陈淑妍, 王晓峰, 孙鹏, 易重桂 2018 67 047101 Google Scholar Cheng L, Wang D X, Zhang Y, Su L P, Chen S Y, Wang X F, Sun P, Yi C G 2018 Acta Phys. Sin. 67 047101 Google Scholar
[20]	高小奇, 郭志友, 曹东兴, 张宇飞, 孙慧卿, 邓贝 2010 59 3418 Google Scholar Gao X Q, Guo Z Y, Cao D X, Zhang Y F, Sun H Q, Deng B 2010 Acta Phys. Sin. 59 3418 Google Scholar
[21]	de Almeida Jr E F, de Brito Mota F, de Castilho C M C, Kakanakova-Georgieva A, Gueorguiev G K 2012 Eur. Phys. J. B 85 48 Google Scholar
[22]	Jia Y P, Shi Z M, Hou W T, Zang H, Jiang K, Chen Y, Zhang S L, Qi Z B, Wu T, Sun X J, Li D B 2020 Npj 2D Mater. Appl. 4 31 Google Scholar
[23]	Gürbüz E, Cahangirov S, Durgun E, Ciraci S 2017 Phys. Rev. B 96 205427 Google Scholar
[24]	Zhou R, Liang H P, Duan Y F, Wei S H 2023 J. Phys. Chem. Lett. 14 737 Google Scholar
[25]	Sheng X L, Yan Q B, Ye F, Zheng Q R, Su G 2011 Phys. Rev. Lett. 106 155703 Google Scholar
[26]	Zhang J, Wang R, Zhu X, Pan A, Han C, Li X, Zhao D, Ma C, Wang Q, Su H, Niu C 2017 Nat. Commun. 8 683 Google Scholar
[27]	Liu W H, Luo J W, Li S, Wang L W 2020 Phys. Rev. B 102 184308 Google Scholar
[28]	Liang H P, Zhong H Z, Huang S, Duan Y F 2021 J. Phys. Chem. Lett. 12 10975 Google Scholar
[29]	Oganov A R, Ma Y, Lyahov A O, Valle M, Gatti C 2010 Rev. Mineral. Geochem. 71 271 Google Scholar
[30]	Oganov A R, Lyahov A O, Valle M 2011 Acc. Chem. Res. 44 227 Google Scholar
[31]	Oganov A R, Class C W 2006 J. Chem. Phys. 124 244704 Google Scholar
[32]	Hohenberg P, Kohn W 1964 Phys. Rev. 136 B864 Google Scholar
[33]	Kohn W, Sham L J 1965 Phys. Rev. 140 A1133 Google Scholar
[34]	Kresse H, Hafner J 1993 Phys. Rev. B 47 558 Google Scholar
[35]	Kresse H, Hafner J 1994 Phys. Rev. B 49 14251 Google Scholar
[36]	Kresse H, Furthmüller J 1996 Phys. Rev. B 54 11169 Google Scholar
[37]	Perdew J P, Burke K, Ernzerhof M 1996 Phys. Rev. Lett. 77 3865 Google Scholar
[38]	Heyd J, Scueria G E, Ernzerhof M 2003 J. Chem. Phys. 118 8207 Google Scholar
[39]	Jia W, Fu J, Cao Z, Wang L, Chi X, Gao W, Wang L W 2013 Comput. Phys. Commun. 251 102 Google Scholar
[40]	Jia W, Cao Z, Wang L, Fu J, Chi X, Gao W, Wang L W 2013 Comput. Phys. Commun. 184 9 Google Scholar
[41]	Atsush T, Isa T 2015 Scr. Mater. 108 1 Google Scholar
[42]	Li W, Carrete J, Katcho N A, Mingo N 2014 Comput. Phys. Commun. 185 1747 Google Scholar
[43]	Homayoun J, Bahram A R, Mahdi F 2018 Solid State Commun. 282 21 Google Scholar
[44]	程正富, 郑瑞伦 2016 65 104701 Google Scholar Cheng Z F, Zheng R L 2016 Acta Phys. Sin. 65 104701 Google Scholar
[45]	Lü F, Liang H P, Duan Y F 2023 Phys. Rev. B 107 045422 Google Scholar
[46]	Koh Y R, Mamun A, Bin Hoque M S, Liu Z Y, Bai T Y, Hussain K, Liao M E, Li R Y, Gaskins J T, Giri A, Tomko J, Braun J L, Gaevski M, Lee E, Yates L, Goorsky M S, Luo T F, Khan A, Graham S, Hopkins P E 2020 ACS Appl. Mater. Interfaces 12 29443
[47]	Mortazavi B, Shahrokhi M, Raeisi M, Zhuang X, Pereira L F C, Rabczuk T 2019 Carbon 149 733 Google Scholar
[48]	Lindsay L, Broido D A, Mingo N 2010 Phys. Rev. B 82 115427 Google Scholar

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Visible light modulation and anomalous thermal transport in two-dimensional X-AlN (X = C, Si, TC) semiconductor

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Corresponding author: Duan Yi-Feng, yifeng@cumt.edu.cn

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Article

留言板

Visible light modulation and anomalous thermal transport in two-dimensional X-AlN (X = C, Si, TC) semiconductor

Abstract

Authors and contacts

Corresponding author: Duan Yi-Feng, yifeng@cumt.edu.cn

FullText HTML : translate this paragraph

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