chore: cleanups 2

lang/en/docs/tutorials/materials/specific/overview.md

@@ -10,6 +10,7 @@ This document contains links to the tutorials that demonstrate how to reproduce
 #### 1.1.1. [SrTiO3 Slab](slab-strontium-titanate.md)   R. I. Eglitis and David Vanderbilt
 "First-principles calculations of atomic and electronic structure of SrTiO3 (001) and (011) surfaces"
 Phys. Rev. B 77, 195408 (2008)
+
 [DOI: 10.1103/PhysRevB.77.195408](https://doi.org/10.1103/PhysRevB.77.195408){:target='_blank'} [@Eglitis2008; @Mukhopadhyay2006]
 
 ![Strontium Titanate Slabs](../../../images/tutorials/materials/2d_materials/slab_strontium_titanate/0-figure-from-manuscript.webp "Strontium Titanate Slabs, FIG. 2.")
@@ -19,6 +20,7 @@ Phys. Rev. B 77, 195408 (2008)
 **A. H. Larsen, J. Kleis, K. S. Thygesen, J. K. Nørskov, and K. W. Jacobsen**,
 "Electronic shell structure and chemisorption on gold nanoparticles",
 *Phys. Rev. B 84, 245429 (2011)*,
+
 [DOI: 10.1103/PhysRevB.84.245429](https://doi.org/10.1103/PhysRevB.84.245429){:target='_blank'}. [@Larsen2011]
 ![Gold Nanoparticles](../../../images/tutorials/materials/0d_materials/nanocluster_gold/0-manuscript-image.webp "Fig. 2. Gold Nanoparticles")
 
@@ -31,37 +33,42 @@ Phys. Rev. B 77, 195408 (2008)
 **Jeil Jung, Ashley M. DaSilva, Allan H. MacDonald & Shaffique Adam**  
 "Origin of the band gap in graphene on hexagonal boron nitride"  
 Nature Communications, 2015  
+
 [DOI: 10.1038/ncomms7308](https://doi.org/10.1038/ncomms7308){:target='_blank'}
 ![Graphene on Hexagonal Boron Nitride](../../../images/tutorials/materials/interfaces/interface_2d_2d_graphene_boron_nitride/0-figure-from-manuscript.webp   "Graphene on Hexagonal Boron Nitride, FIG. 7")
 
 #### 2.1.2. [Interface between Graphene and SiO2 (alpha-quartz)](interface-2d-3d-graphene-silicon-dioxide.md)  
 **Yong-Ju Kang, Joongoo Kang, and K. J. Chang**  
 "Electronic structure of graphene and doping effect on SiO2"  
 Physical Review B, 2008  
+
 [DOI: 10.1103/PhysRevB.78.115404](https://doi.org/10.1103/PhysRevB.78.115404){:target='_blank'}
-![Graphene on Silicon Dioxide](../../../images/tutorials/materials/interfaces/interface_2d_3d_graphene_silicon_dioxide/0-figure-from-manuscript.webp "Graphene on Silicon Dioxide, FIG. 1(b)
+![Graphene on Silicon Dioxide](../../../images/tutorials/materials/interfaces/interface_2d_3d_graphene_silicon_dioxide/0-figure-from-manuscript.webp "Graphene on Silicon Dioxide, FIG. 1(b)")
 
 #### 2.1.3. [Interface between Copper and SiO2 (Cristobalite)](interface-3d-3d-copper-silicon-dioxide.md)  
 **Shan, T.-R., Devine, B. D., Phillpot, S. R., & Sinnott, S. B.**
 "Molecular dynamics study of the adhesion of Cu/SiO2interfaces using a variable-charge interatomic potential."
 Physical Review B, 83(11).
+
 [DOI: 10.1103/PhysRevB.83.115327](https://doi.org/10.1103/PhysRevB.83.115327){:target='_blank'} [@Shan2011].
 ![Copper on Cristobalite](../../../images/tutorials/materials/interfaces/interface_3d_3d_copper_cristobalite/0-figure-from-manuscript.webp   "Copper on Cristobalite, FIG. 1")
 
 #### 2.1.4. [High-k Metal Gate Stack (Si/SiO2/HfO2/TiN)](heterostructure-silicon-silicon-dioxide-hafnium-dioxide-titanium-nitride.md)  
-[Placeholder – Reference not provided]
+QuantumATK tutorial: [High-k Metal Gate Stack Builder](https://docs.quantumatk.com/tutorials/hkmg_builder/hkmg_builder.html) [@Muller1999; @Robertson2006]
 ![High-k Metal Gate Stack](../../../images/tutorials/materials/heterostructures/heterostructure-silicon-silicon-dioxide-hafnium-dioxide-titanium-nitride/original-figure.webp "High-k Metal Gate Stack")
 
 ### 2.2. Twisted Interfaces
 #### 2.2.1. [Twisted Bilayer h-BN nanoribbons](interface-bilayer-twisted-nanoribbons-boron-nitride.md)  
 **Lede Xian, Dante M. Kennes, Nicolas Tancogne-Dejean, Massimo Altarelli, and Angel Rubio**,
 "Multiflat Bands and Strong Correlations in Twisted Bilayer Boron Nitride: Doping-Induced Correlated Insulator and Superconductor" Phys. Rev. Lett. 125, 086402, 20 August 2020
+
 [DOI: 10.1021/acs.nanolett.9b00986](https://doi.org/10.1021/acs.nanolett.9b00986){:target='_blank'} [@Xian2020]
 ![Twisted Bilayer Boron Nitride](../../../images/tutorials/materials/interfaces/twisted-bilayer-boron-nitride/tbbn-paper-image.png "Twisted Bilayer Boron Nitride")
 
 #### 2.2.2. [Twisted Bilayer MoS2 commensurate lattices](interface-bilayer-twisted-commensurate-lattices-molybdenum-disulfide.md)  
 **Kaihui Liu, Liming Zhang, Ting Cao, Chenhao Jin, Diana Qiu, Qin Zhou, Alex Zettl, Peidong Yang, Steve G. Louie & Feng Wang**,
 "Evolution of interlayer coupling in twisted molybdenum disulfide bilayers" Nature Communications volume 5, Article number: 4966 (2014)
+
 [DOI: 10.1038/ncomms5966](https://doi.org/10.1038/ncomms5966){:target='_blank'} [@Liu2014; @Zhang2016; @Cao2018]
 ![Twisted Bilayer Molybdenum Disulfide](../../../images/tutorials/materials/interfaces/twisted-bilayer-molybdenum-disulfide/MoS2-twisted-bilayers.png   "Twisted Bilayer Molybdenum Disulfide")
 
@@ -74,55 +81,66 @@ Physical Review B, 83(11).
 **Yoshitaka Fujimoto and Susumu Saito**  
 "Formation, stabilities, and electronic properties of nitrogen defects in graphene"  
 Physical Review B, 2011  
+
 [DOI: 10.1103/PhysRevB.84.245446](https://journals.aps.org/prb/abstract/10.1103/PhysRevB.84.245446){:target='_blank'}
 ![Point Defect, Substitution, 0](../../../images/tutorials/materials/defects/defect_creation_point_substitution_graphene/0-figure-from-manuscript.webp "Point Defect, Substitution, FIG. 1.")
 
 #### 3.1.2. [Vacancy-Substitution Pair Defects in GaN](defect-point-pair-gallium-nitride.md)  
 **Giacomo Miceli, Alfredo Pasquarello**,
 "Self-compensation due to point defects in Mg-doped GaN", Physical Review B, 2016.
+
 [DOI: 10.1103/PhysRevB.93.165207](https://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.165207){:target='_blank'}. [@Miceli2016]
 ![Point Pair Defects: Mg Substitution and Vacancy in GaN](../../../images/tutorials/materials/defects/defect_point_pair_gallium_nitride/0-figure-from-manuscript.webp "Point Defect Pair: Substitution, Vacancy in GaN, FIG. 2.")
 
 #### 3.1.3. [Vacancy Point Defect in h-BN](defect-point-vacancy-boron-nitride.md)  
 **Fabian Bertoldo, Sajid Ali, Simone Manti & Kristian S. Thygesen**  
 "Quantum point defects in 2D materials – the QPOD database"  
 Nature, 2022  
+
 [DOI: 10.1038/s41524-022-00730-w](https://doi.org/10.1038/s41524-022-00730-w){:target='_blank'}
 ![Vacancy in h-BN](../../../images/tutorials/materials/defects/defect_point_vacancy_boron_nitride/0-figure-from-manuscript.webp "Vacancy in h-BN")
 
 #### 3.1.4. [Interstitial Point Defect in SnO](defect-point-interstitial-tin-oxide.md)  
 A. Togo, F. Oba, and I. Tanaka
 "First-principles calculations of native defects in tin monoxide"
 Physical Review B 74, 195128 (2006)
+
 [DOI: 10.1103/PhysRevB.74.195128](https://doi.org/10.1103/PhysRevB.74.195128){:target='_blank'}. [@Togo2006; @Wang2014; @Na-Phattalung2006]
 ![SnO O-interstitial](../../../images/tutorials/materials/defects/defect_point_interstitial_tin_oxide/0-figure-from-manuscript.webp "O-interstitial defect in SnO")
 
 ### 3.2. Surface Defects
 #### 3.2.1. [Island Surface Defect Formation in TiN](defect-surface-island-titanium-nitride.md)  
 **D. G. Sangiovanni, A. B. Mei, D. Edström, L. Hultman, V. Chirita, I. Petrov, and J. E. Greene**,
-"Effects of surface vibrations on interlayer mass transport: Ab initio molecular dynamics investigation of Ti adatom descent pathways and rates from TiN/TiN(001) islands", Physical Review B, 2018. [DOI: 10.1103/PhysRevB.97.035406](https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.035406){:target='_blank'}. [@Sangiovanni2018]
+"Effects of surface vibrations on interlayer mass transport: Ab initio molecular dynamics investigation of Ti adatom descent pathways and rates from TiN/TiN(001) islands", Physical Review B, 2018. 
+[DOI: 10.1103/PhysRevB.97.035406](https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.035406){:target='_blank'}. [@Sangiovanni2018]
 ![Surface Defect](../../../images/tutorials/materials/defects/defect-creation-surface-island-titanium-nitride/0.png "Surface Defect, Island FIG. 2. a")
 
 #### 3.2.2. [Step Surface Defect on Pt(111)](defect-surface-step-platinum.md)  
-Šljivančanin, Ž., & Hammer, B., "Oxygen dissociation at close-packed Pt terraces, Pt steps, and Ag-covered Pt steps studied with density functional theory." Surface Science, 515(1), 235–244. [DOI: 10.1016/s0039-6028(02)01908-8](https://doi.org/10.1016/s0039-6028(02)01908-8){:target='_blank'}. [@Sljivancanin2002]
+Šljivančanin, Ž., & Hammer, B., "Oxygen dissociation at close-packed Pt terraces, Pt steps, and Ag-covered Pt steps studied with density functional theory." Surface Science, 515(1), 235–244. 
+
+[DOI: 10.1016/s0039-6028(02)01908-8](https://doi.org/10.1016/s0039-6028(02)01908-8){:target='_blank'}. [@Sljivancanin2002]
 ![Fig. 1.](../../../images/tutorials/materials/defects/defect_surface_step_platinum/0-figure-from-manuscript.webp "Fig. 1.")
 
 #### 3.2.3. [Adatom Surface Defects on Graphene](defect-surface-adatom-graphene.md)  
 **Kevin T. Chan, J. B. Neaton, and Marvin L. Cohen**  
 "First-principles study of metal adatom adsorption on graphene"  
 Phys. Rev. B, 2008  
+
 [DOI: 10.1103/PhysRevB.77.235430](https://doi.org/10.1103/PhysRevB.77.235430){:target='_blank'}
 ![Adatom on Graphene Surface](../../../images/tutorials/materials/defects/defect-surface-adatom-graphene/me_adatom_on_hollow_graphene.webp "Fig. 1. Adatom on Graphene Surface")
 
 ### 3.3. Planar Defects
 #### 3.3.1. [Grain Boundary in FCC Metals (Copper)](defect-planar-grain-boundary-3d-fcc-metals-copper.md)  
-Timofey Frolov, David L. Olmsted, Mark Asta & Yuri Mishin, "Structural phase transformations in metallic grain boundaries", Nature Communications, volume 4, Article number: 1899 (2013). [DOI: 10.1038/ncomms2919](https://www.nature.com/articles/ncomms2919){:target='_blank'}. [@Frolov2013]
+Timofey Frolov, David L. Olmsted, Mark Asta & Yuri Mishin, "Structural phase transformations in metallic grain boundaries", Nature Communications, volume 4, Article number: 1899 (2013). 
+
+[DOI: 10.1038/ncomms2919](https://www.nature.com/articles/ncomms2919){:target='_blank'}. [@Frolov2013]
 ![Copper Grain Boundary](../../../images/tutorials/materials/defects/defect_planar_grain_boundary_3d_fcc_metal/0-figure-from-manuscript.webp "Copper Grain Boundary, FIG. 1")
 
 #### 3.3.2. [Grain Boundary (2D) in h-BN](defect-planar-grain-boundary-2d-boron-nitride.md)  
 **Qiucheng Li, et al.**  
 "Grain Boundary Structures and Electronic Properties of Hexagonal Boron Nitride on Cu(111)"  
 ACS Nano, 2015  
+
 [DOI: 10.1021/acs.nanolett.5b01852](https://doi.org/10.1021/acs.nanolett.5b01852){:target='_blank'}
 ![h-BN Grain Boundary](../../../images/tutorials/materials/defects/defect_planar_grain_boundary_2d_boron_nitride/0-figure-from-manuscript.webp "h-BN Grain Boundary, FIG. 2c.")
 
@@ -145,8 +163,9 @@ DOI: [10.1103/PhysRevB.76.035305](https://doi.org/10.1103/PhysRevB.76.035305){:t
 Hansen, U., & Vogl, P.
 "Hydrogen passivation of silicon surfaces: A classical molecular-dynamics study."
 Physical Review B, 57(20), 13295–13304. (1998)
+
 [DOI: 10.1103/PhysRevB.57.13295](https://doi.org/10.1103/PhysRevB.57.13295){:target='_blank'}. [@Hansen1998; @Northrup1991; @Boland1990]
-![Si(100) H-Passivated Surface](../../../images/tutorials/materials/passivation/passivation_surface_silicon/0-figure-from-manuscript.webp "H-Passivated Silicon (100)
+![Si(100) H-Passivated Surface](../../../images/tutorials/materials/passivation/passivation_surface_silicon/0-figure-from-manuscript.webp "H-Passivated Silicon (100)")
 
 ---
 
@@ -158,6 +177,7 @@ Physical Review B, 57(20), 13295–13304. (1998)
 Thompson-Flagg, R. C., Moura, M. J. B., & Marder, M.
 "Rippling of graphene"
 EPL (Europhysics Letters), 85(4), 46002 (2009)
+
 [DOI: 10.1209/0295-5075/85/46002](https://doi.org/10.1209/0295-5075/85/46002){:target='_blank'}. [@ThompsonFlagg2009; @Fasolino2007; @Openov2010]
 ![Rippled Graphene](../../../images/tutorials/materials/defects/perturbation_ripple_graphene/0-figure-from-manuscript.webp "Rippled Graphene, FIG. 1.")
 
@@ -171,11 +191,13 @@ EPL (Europhysics Letters), 85(4), 46002 (2009)
 Arjun Dahal, Matthias Batzill
 "Graphene–nickel interfaces: a review"
 Nanoscale, 6(5), 2548. (2014)
+
 [DOI: 10.1039/c3nr05279f](https://doi.org/10.1039/c3nr05279f){:target='_blank'}. [@Dahal2014; @Gamo1997; @Bertoni2004]
-![Gr/Ni Interface](../../../images/tutorials/materials/optimization/optimization_interface_film_xy_position_graphene_nickel/0-figure-from-manuscript.webp "Optimal position of graphene on Ni(111)
+![Gr/Ni Interface](../../../images/tutorials/materials/optimization/optimization_interface_film_xy_position_graphene_nickel/0-figure-from-manuscript.webp "Optimal position of graphene on Ni(111)")
 
 #### 6.1.2. [Pt Adatoms Island on MoS2](defect-point-adatom-island-molybdenum-disulfide-platinum.md)  
 Saidi, W. A.
 "Density Functional Theory Study of Nucleation and Growth of Pt Nanoparticles on MoS2(001) Surface"
 Crystal Growth & Design, 15(2), 642–652. (2015)
+
 [DOI: 10.1021/cg5013395](https://doi.org/10.1021/cg5013395){:target='_blank'}. [@Saidi2015; @Jiao2016; @Fichthorn2000; @Neugebauer1993; @Hortamani2007]![Pt Island on MoS2](../../../images/tutorials/materials/defects/defect_point_adatom_island_molybdenum_disulfide_platinum/0-figure-from-manuscript.webp "Pt island formation on MoS2")