feat: add tutorial on cu/sio2

lang/en/docs/tutorials/materials/specific/interface-3d-3d-copper-cristobalite.md

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+---
+# YAML header
+render_macros: true
+---
+
+# Interfaces between 3D Materials: Copper and Cristobalite
+
+## Introduction
+
+This tutorial demonstrates the process of creating interfaces between 3D materials, specifically copper (Cu) and cristobalite (SiO<sub>2</sub>), based on the work presented in the following manuscript, where the electronic properties of Cu-SiO<sub>2</sub> interfaces are studied.
+
+!!!note "Manuscript"
+    **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) 
+
+
+We use the [Materials Designer](../../../materials-designer/overview.md) to create interfaces between Cu and Cristobalite with different termination pairs.
+
+The FIG. 1. shows the interfaces with different terminations between Cu and Cristobalite.
+
+![Copper on Cristobalite](/images/tutorials/materials/interfaces/interface_3d_3d_copper_cristobalite/0-figure-from-manuscript.webp   "Copper on Cristobalite, FIG. 1")
+
+
+## 1. Load and Preview Materials
+
+Navigate to [Materials Designer](../../../materials-designer/overview.md) and import copper and cristobalite materials from the [Standata](../../../materials-designer/header-menu/input-output/standata-import.md).
+
+Then use the [JupyterLite](../../../jupyterlite/overview.md) environment to create the target structures.
+
+
+## 2. Create Interface Between Copper and Cristobalite
+
+### 2.1 Launch JupyterLite Session
+
+Select the "Advanced > [JupyterLite Transformation](../../../materials-designer/header-menu/advanced/jupyterlite-dialog.md)" menu item to launch the JupyterLite environment.
+
+![JupyterLite Dialog](/images/jupyterlite/md-advanced-jl.webp "JupyterLite Dialog")
+
+
+### 2.2 Open and Modify the Notebook
+
+Select the input materials with the first being the substrate (SiO₂) and the second being the film (Cu).
+
+Open the `create_interface_with_min_strain_zsl.ipynb` notebook and modify the parameters as follows:
+
+- Miller indices of both materials: `(0, 0, 1)` -- as mentioned in the publication.
+- Thickness of both materials: `3` (in atomic layers, will resolve to 6 layers for Cu and 9 layers for SiO₂, as mentioned in the publication)
+- Distance between materials: `2.4` Å (to achieve Cu-O bond of ~2.4 Å, as stated in the publication's results)
+- Interface vacuum: `18.0` Å (as mentioned in the publication)
+
+Let's set MAX_AREA to `150` Ų to allow for a larger search area for the superlattice search algorithm.
+
+`TERMINATION_PAIR_INDEX` will be set to `0` to get interface with `Cu/Si` termination and `1` to get `Cu/O` termination. Terminations for the interfaces can be viewed further down in the notebook. 
+
+
+Adjust the "1.1. Set up slab parameters" cell as shown:
+
+```python
+# Enable interactive selection of terminations via UI prompt
+IS_TERMINATIONS_SELECTION_INTERACTIVE = False
+
+FILM_INDEX = 1  # Index in the list of materials, to access as materials[FILM_INDEX]
+FILM_MILLER_INDICES = (0, 0, 1)
+FILM_THICKNESS = 3  # in atomic layers
+FILM_VACUUM = 0.0  # in angstroms
+FILM_XY_SUPERCELL_MATRIX = [[1, 0], [0, 1]]
+FILM_USE_ORTHOGONAL_Z = True
+
+SUBSTRATE_INDEX = 0
+SUBSTRATE_MILLER_INDICES = (0, 0, 1)
+SUBSTRATE_THICKNESS = 3  # in atomic layers
+SUBSTRATE_VACUUM = 0.0  # in angstroms
+SUBSTRATE_XY_SUPERCELL_MATRIX = [[1, 0], [0, 1]]
+SUBSTRATE_USE_ORTHOGONAL_Z = True
+
+# Maximum area for the superlattice search algorithm
+MAX_AREA = 150  # in Angstrom^2
+# Set the termination pair indices
+TERMINATION_PAIR_INDEX = 0
+INTERFACE_DISTANCE = 2.4  # in Angstrom
+INTERFACE_VACUUM = 18.0  # in Angstrom
+```
+
+![Notebook setup](/images/tutorials/materials/interfaces/interface_3d_3d_copper_cristobalite/2-jl-setup-notebook.webp "Notebook setup")
+
+
+### 2.3. Run the Notebook
+
+After setting the parameters, run the notebook to create the interface between Cu and SiO₂.
+
+![Run All](/images/jupyterlite/run-all.webp "Run All")
+
+### 2.4. View Results and shift the layers
+
+The generation might take some time.
+After that, the user can pass the material to the Materials Designer for further analysis.
+
+Interface between Copper and Cristobalite with the specified parameters is shown below.
+
+![Cu/SiO2 Interface](/images/tutorials/materials/interfaces/interface_3d_3d_copper_cristobalite/3-jl-result-preview.webp "Cu/SiO2 Interface")
+
+
+## 3. Pass the Material to Materials Designer
+
+The user can pass the material with the interface in the current Materials Designer environment and save it.
+
+![Final Material](/images/tutorials/materials/interfaces/interface_3d_3d_copper_cristobalite/5-wave-result.webp "Cu/SiO2 Interface")
+
+Or the user can [save or download](../../../materials-designer/header-menu/input-output.md) the material in Material JSON format or POSCAR format.
+
+
+## Interactive JupyterLite Notebook
+
+The interactive JupyterLite notebook for creating interfaces between Copper and Cristobalite is embedded below. To run the notebook, click on the "Run All" button.
+
+
+{% with origin_url=config.extra.jupyterlite.origin_url %}
+{% with notebooks_path_root=config.extra.jupyterlite.notebooks_path_root %}
+{% with notebook_name='specific_examples/interface_3d_3d_copper_cristobalite.ipynb' %}
+{% include 'jupyterlite_embed.html' %}
+{% endwith %}
+{% endwith %}
+{% endwith %}
+
+## References
+
+1. Shan, T.-R., Devine, B. D., Phillpot, S. R., & Sinnott, S. B. (2011). 
+    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)
+
+## Tags
+
+`3D`, `copper`, `cristobalite`, `interface`, `termination`, `SiO2`, `Cu`