@greg_f
I am based in Europe
Just noticed this at the bottom of their page, and last I heard, like many other North American based audio companies, Zavfino sell more in Europe and Asian markets than North America.
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My curiosity is peaked. I will try some copper-graphene cables in one of my audio systems. My ears will be the judge not a bunch of theoretical explanations of why it makes no difference. If it does not sound good, the resolution in my systems will shine a flood light on its bad sonics...
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@jaymark
Make sure to share your findings.
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Here's an AI overview of graphene as a conductive material. It has other uses as well.
AI Overview
Graphene is one of the most electrically conductive materials known. Its pristine single-layer form exhibits an in-plane conductivity up to \(100 \text{ MS/m}\) (megasiemens per meter). Because its electrons behave as massless relativistic particles, it allows for incredibly high charge carrier mobility. [1, 2, 3]
Key Electrical Metrics
- Pristine Conductivity: Can reach up to \(100 \text{ MS/m}\), which is significantly higher than traditional conductors like copper (\(59 \text{ MS/m}\)).
- Ballistic Transport: Electrons travel through the honeycomb lattice at extremely high speeds without scattering, operating almost like a perfect conductor.
- Carrier Mobility: Exceeds \(200,000 \text{ cm}^2\text{V}^{-1}\text{s}^{-1}\) at room temperature, vastly outperforming conventional semiconductors like silicon.
- Tunability: Its electrical properties can be modified via doping or by applying an external electric field, allowing it to act as an ambipolar semiconductor. [1, 2, 3, 4, 5]
Why Graphene Conducts So Well
Graphene's conductivity results directly from its unique atomic arrangement and electron structure: [1]
- Honeycomb Lattice: It consists of a single layer of carbon atoms arranged in a two-dimensional, interconnected hexagonal lattice.
- Sp² Hybridization: Each carbon atom forms strong bonds with three neighboring atoms, leaving a fourth "extra" electron in a delocalized \(\pi \)-bond.
- Delocalized Electrons: These \(\pi \)-electrons are not tied to a specific atom and can move freely across the entire sheet, similar to the electron clouds found in metals. [1, 2]
Limitations & Current Applications
While a perfect, isolated single layer of graphene is essentially a perfect conductor, practical, macroscopic graphene often performs differently. [1, 2]
- Defects & Grain Boundaries: Bulk graphene materials, when stacked into thick layers (like graphite) or used in commercial flakes, typically face structural defects that scatter electrons and lower conductivity.
- Current Uses: Because it is lightweight, transparent, and ultra-strong, it is primarily used in real-world applications as an additive to enhance energy storage (e.g., in advanced graphene batteries), as well as in flexible touchscreens, solar cells, and electromagnetic shielding. [1, 2, 3, 4, 5]
For deeper dives into advanced research on graphene's electronic properties and real-world testing, check out resources on Wikipedia or explore the experimental mobility reviews detailed in the National Center for Biotechnology Information.
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8 sites
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Can graphene compete with copper in electrical conductivity? - Bosch
Given as appropriate doping enables an in-plane conductivity of 100 MS/m for the graphene flakes with a flake size in the tens of ...
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Bosch Global
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Graphene - Wikipedia
Graphene (/ˈɡræfiːn/) is a variety of the element carbon which occurs naturally in small amounts. In graphene, the carbon forms a ...
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Wikipedia
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Electronic and Thermal Properties of Graphene and Recent Advances in ...
Graphene is an excellent candidate to replace these materials. Graphene exhibits remarkable electronic and thermal properties and ...
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National Institutes of Health (.gov)
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@mclinnguy I've not had any issues dealing with Zavfino USA. I hold them in high esteem and currently have two sets of their Fusion interconnects in my system, which I think are a serious bargain. I've also sold on various items and they sell fast!
I've been curious about their Silver Dart line. Maybe after the room treatments are complete.
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