Semiconductors are solid materials that, according to the environmental conditions to which they are submitted, act as a metal conductor or (a)   material.

Semiconductors are solid materials that, (a)   to the environmental conditions to which they are submitted, act as a metal conductor or insulator material.

Semiconductors are extremely important in technology, since they are used to build and control all kinds of electronic systems used today, for example (a)   , communication systems and household appliances, etc.

Semiconductors are extremely important in technology, since they are used to build and control all kinds of electronic systems used today, for example computers, communication (a)   and household appliances, etc.

Semiconductors are extremely important in (a)   , since they are used to build and control all kinds of electronic systems used today, for example computers, communication systems and household appliances, etc.

Semiconductors are extremely important in technology, since they are used to build and control all kinds of (a)   systems used today, for example computers, communication systems and household appliances, etc.

The main material used to build (a)   is Silicon, although other materials that will improve their function are now being researched. Examples include graphene and carbón.

The main material used to build semiconductors is Silicon, although other materials that will improve their function are now being (a)   . Examples include graphene and carbón.

The main material used to build semiconductors is Silicon, although other materials that will improve their function are now being researched. Examples include (a)   and carbón.

The main material used to build semiconductors is Silicon, although other materials that will (a)   their function are now being researched. Examples include graphene and carbón.

Elementary or intrinsic semiconductors consist of materials made up of any kind of non-metal (a)   from group IV of the Periodic Table. In other words, they are made up of carbon, Silicon or germanium.

Elementary or intrinsic semiconductors consist of materials made up of any kind of non-metal element from (a)   IV of the Periodic Table. In other words, they are made up of carbon, Silicon or germanium.

Elementary or intrinsic semiconductors consist of materials made up of any kind of non-metal element from group IV of the (a)   Table. In other words, they are made up of carbon, Silicon or germanium.

Elementary or intrinsic semiconductors consist of materials made up of any kind of non-metal element from group IV of the Periodic Table. In other words, they are (a)   up of carbon, Silicon or germanium.

Elementary or intrinsic semiconductors consist of materials made up of any kind of non-metal element from group IV of the Periodic Table. In other words, they are made up of (a)   , Silicon or germanium.

These kinds of Chemical elements tend to form cube-shaped crystal lattices with strong links, which in stable (a)   , means they can function as insulator materials.

These kinds of Chemical elements tend to form cube-shaped crystal lattices with (a)   links, which in stable conditions, means they can function as insulator materials.

These kinds of Chemical elements tend to form cube-shaped crystal lattices with strong links, which in stable conditions, means they can function as (a)   materials.

These kinds of Chemical elements tend to form cube-shaped crystal (a)   with strong links, which in stable conditions, means they can function as insulator materials.

These kinds of Chemical elements tend to form cube-shaped crystal lattices with strong links, which in (a)   conditions, means they can function as insulator materials.

When the temperature is high enough, thermal energy makes the atoms in the crystal lattice víbrate.  When the (a)   move around with enough strength, some valence electrons break their bonds in the lattice structure. 

When the temperature is high enough, thermal energy makes the atoms in the crystal lattice víbrate.  When the atoms move around with enough (a)   , some valence electrons break their bonds in the lattice structure. 

When the temperature is high enough, thermal energy makes the atoms in the crystal lattice víbrate.  When the atoms move around with enough strength, some valence (a)   break their bonds in the lattice structure. 

When the temperature is high enough, thermal energy makes the atoms in the crystal lattice (a)   .  When the atoms move around with enough strength, some valence electrons break their bonds in the lattice structure. 

These electrons can then move around the material freely and be transported. thereby giving rise to electric energy. This means the (a)   material has now become a conductor.

These electrons can then move around the material freely and be transported. thereby giving rise to electric energy. This means the insulator material has now become a (a)   .

These electrons can then move around the material freely and be (a)   . thereby giving rise to electric energy. This means the insulator material has now become a conductor.

These electrons can then move around the material freely and be transported. thereby giving rise to electric energy. This means the insulator material has now (a)   a conductor.

This behaviour occurs in unsuitable thermal conditions. Nevertheless, both Silicon and germanium can be manipulated in order to produce the effect of releasing valence electrons. They are therefore referred to as (a)   semiconductors.

This behaviour occurs in unsuitable thermal conditions. Nevertheless, both Silicon and germanium can be (a)   in order to produce the effect of releasing valence electrons. They are therefore referred to as extrinsic semiconductors.

This behaviour occurs in unsuitable thermal conditions. Nevertheless, both Silicon and germanium can be manipulated in order to produce the effect of releasing (a)   electrons. They are therefore referred to as extrinsic semiconductors.

This behaviour occurs in unsuitable (a)   conditions. Nevertheless, both Silicon and germanium can be manipulated in order to produce the effect of releasing valence electrons. They are therefore referred to as extrinsic semiconductors.