Add to Cart PbBi2Te4 Crystal Lead Bismuth Telluride MSRP: Now: $640.00 Was: PbBi2Te4 is a layered topological insulator with the observed two-dimensional iso-energy contours in the bulk energy gap are found to be the largest among the known 3D topological insulators... BLK-PbBi2Te4 MSRP: Now: $640.00 Was: Add to Cart Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $640.00 Was: Subtotal: Add to Cart