How to figure out Disk I/O by table Is it possible to figure out which tables contribute the most to read / writes operations if all of them in same file?

I been looking at the following DMV

SELECT *
FROM sys.dm_io_virtual_file_stats


but it only shows statistics for the whole file and not sure how to split into individual tables. Trying to do this in order to identify tables that should be places in their own files on different disk.
The following two queries give index usage stats per table which should be a good indicator of which tables are causing the most IO operations.

SELECT d.name as [Database],  OBJECT_NAME(S.[OBJECT_ID]) AS [OBJECT NAME],          
I.[NAME] AS [INDEX NAME],          
USER_SEEKS,          
USER_SCANS,          
USER_LOOKUPS,          
USER_UPDATES 
FROM     SYS.DM_DB_INDEX_USAGE_STATS AS S          
INNER JOIN SYS.INDEXES AS I ON I.[OBJECT_ID] = S.[OBJECT_ID]               
AND I.INDEX_ID = S.INDEX_ID 
Join sys.Databases d on s.database_id = d.database_id
WHERE    OBJECTPROPERTY(S.[OBJECT_ID],'IsUserTable') = 1 
Order by USER_SEEKS + USER_SCANS + USER_LOOKUPS + USER_UPDATES desc


SELECT d.name, t.name, OBJECT_NAME(A.[OBJECT_ID]) AS [OBJECT NAME],       
 I.[NAME] AS [INDEX NAME],       
  A.LEAF_INSERT_COUNT,        
  A.LEAF_UPDATE_COUNT,        
  A.LEAF_DELETE_COUNT

FROM   SYS.DM_DB_INDEX_OPERATIONAL_STATS (NULL,NULL,NULL,NULL ) A        
INNER JOIN SYS.INDEXES AS I          ON I.[OBJECT_ID] = A.[OBJECT_ID]   
join sys.tables t on i.object_id = t.object_id      
join sys.databases d on a.database_id = d.database_id
AND I.INDEX_ID = A.INDEX_ID WHERE  OBJECTPROPERTY(A.[OBJECT_ID],'IsUserTable') = 1

order by A.LEAF_INSERT_COUNT + A.LEAF_UPDATE_COUNT + A.LEAF_DELETE_COUNT desc