Google Scholar can be used for creating email alerts. Carry out your search and click on 'Create Alert' to receive an email every time a new result is added.
You can use a database alerting service to save a search as an alert. The alert automatically searches the database for the latest records matching your saved searches. The database will then send you updated relevant results by e-mail or RSS feed.
Although different databases will have different procedures for setting up search alerts, the general principles are same. Alerts are usually set up from a database Search History or equivalent.
Conduct a search using relevant search term/s and limits
Save the search as an alert. You will be prompted to sign-in or register (see box above)
Name the alert and select alert option (e.g. email alert)
Choose alert notification frequency (e.g. receive weekly or monthly alerts)
Most database providers have helpful step-by-step instructions for saving searches and setting up search alerts. These include: